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description Publicationkeyboard_double_arrow_right Other literature type 2017Publisher:TU Wien Authors: Aschauer, Dominik;In the described case, the dust and ash particles are removed in a product gas filter. A scrubber with packed bed was used to clean the product gas from the tar components. The solvent of the scrubber was RME (rapeseed methyl ester), a biodiesel. RME is used because of its good tar separating characteristics. To investigate these tar separation characteristics of RME and the separation efficiency of the scrubber, four enrichment experiments were carried out during this work. These experiments took place at the 'Technikum' nearby the biomass steam gasification plant G��ssing. There, a pilot-scale scrubber and product gas from the gasification plant were used to perform the enrichment experiments. The four experiments are long term experiments with duration of approximately 120 hours each to obtain comparable results, it is necessary to make sure most of parameters are constant during the experiments. Only the RME temperature was changed from 0��C in the first experiment to 40��C in the last experiment. The task of this master thesis was to investigate the removal efficiency of the scrubber for the tar components benzene, toluene and xylene from the gas. During the enrichment experiments, a continuing data recording was fulfilled and in addition discontinuous tar sampling was accomplished. The discontinuous tar samples were taken 0:15h, 1h, 5h, 25h, 120h after the start of the experiments. The tar samples were analyzed in a laboratory and the results give the opportunity to evaluate the efficiency of the scrubber to eliminate benzene, toluene and xylene from the product gas. Using an exponential model, the results were fitted as scrubber efficiency as function of dry product gas volume at standard pressure and temperature. The results give good information about the behavior of toluene and xylene, because they show a good correlation between the temperature of RME and the separation efficiency. The results of benzene do not show this clear correlation. The results show, that, if fresh RME is used, a very good, nearly 100% tar separation is possible. Comparing the results to the CHP's scrubber, it can be concluded, that only a very little fraction of the tar components, which were investigated in this work, are actually removed there. Es wurde im Technikumsma��stab ein Versuchsw��scher mit Produktgas aus dem Biomasseheizkraftwerk G��ssing betrieben. Es wurden vier 120h Anreicherungsversuche bei Temperaturen von 0��C bis 40��C durchgef��hrt, um das Abscheideverhalten zu untersuchen. Die bei den Versuchen betrachteten Teerkomponenten waren Benzol, Toluol und Xylol. Sie wurden ausgew��hlt, da sie die am schwersten abzutrennende Teerfraktion sind. W��hrend der Anreicherungsversuche wurden s��mtliche Parameter m��glichst konstant gehalten, einzig die Temperatur des W��schermediums wurde variiert. Neben einer kontinuierlichen Datenaufzeichnung wurden 0:15h, 1h, 5h, 25h und 120h nach Versuchsstart Teerproben vor und nach dem Versuchsw��scher genommen. Diese Probenahme liefert Messpunkte, um die Effizient des Versuchsw��schers zu beurteilen. Durch ein exponentielles Modell wurden die ermittelten Daten in eine kontinuierliche Funktion des Abscheidegrades umgerechnet. Um die Vergleichbarkeit mit ��hnlichen, mit dem gleichen L��sungsmittel betriebenen W��scher zu gew��hrleisten, wurde das durch den W��scher gereinigte Produktgasnormvolumen in eine Beladung des L��sungsmittels umgerechnet. Somit erh��lt man einen Zusammenhang zwischen dem Abscheidegrad und der Beladung des L��sungsmittels. Die Ergebnisse liefern f��r die Teerkomponenten Toluol und Xylol einen eindeutig erkennbaren Zusammenhang zwischen L��sungsmitteltemperatur und Abscheidegrad. Benzol zeigt diesen Zusammenhang ohne ausf��hrliche Fehlerbetrachtung nicht. Bei geringer Beladung des L��sungsmittels kann ein Abscheidegrad von 100% f��r alle betrachteten Komponenten erreicht werden, mit steigender Beladung nimmt der Abscheidegrad f��r alle Komponenten jedoch stark ab. Die Ergebnisse zeigen des Weiteren, dass sich mit steigender L��sungsmitteltemperatur der Abscheidegrad bei gleicher betrachteter Teerkomponente verschlechtert. Diese Gegebenheiten deuten darauf hin, dass Absorptionsprozesse f��r die Teerabscheidung in einem Biodieselw��scher verantwortlich sind und Kondensation eine untergeordnete Rolle spielt. Ein Vergleich mit dem Kraftwerksw��scher zeigt, dass dieser die beobachteten Teerkomponenten nur zu einem geringen Teil abscheidet.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2019Publisher:Ural State Mining University Authors: A.V. ALEKSEEV; P.E. VERBILO;Relevance of the work. Estimation of the stability of free face is an important task due to the fact that part of headings of tube railroad is erected by mining, with the forehead of the face fixed manually, while indirect methods of forecasting engineering-geological and hydrogeological conditions before the forehead of the face indicate the presence of local softening and watering capable affect sustainability. Purpose of the work. Estimation of the zone of influence and the type of drainage of the element of heterogeneity on the stability of the tunnel face passed in the array of Proterozoic clays. Method and methodology. The finite element method used in the PLAXIS software package was chosen as the research method. The Hardening Soil Small Strain hardening soil model was selected as a geomechanical model of soil behavior. The design situations of deforming the unfixed forehead of the face approaching the water-saturated element of heterogeneity, are considered when simulating an element with a capacity of 1 and 4 m and changing the nature of water filtration along the element. Results of the work. When deformation properties of the calculated soil elements differ by 30% with the given level of groundwater, both in the case of drainage and nondrainability, an increase in displacements occurs when the tunneling face approaches the zone of influence of heterogeneity. The size of the zone of influence depends on the chosen type of drainage of the element of heterogeneity. Applicable scope of the results described in the paper. The results described in the paper (subject to determining the parameters of the model that meet the conditions of penetration) can be used to estimate the stability of the forehead of the tunnel face in the area of heterogeneity, which is the water supply canal. Conclusion. When designing construction of a linear underground facility in an area of heterogeneity, it is necessary to evaluate the stability of the forehead of the face using numerical modeling. When modeling an element of heterogeneity, it is necessary to take into account the degree of water saturation, the thickness of the element of heterogeneity and the nature of permeability of water along the element of heterogeneity.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 1989The author deals with the question when and on which conditions it is allowed to read out the record on the blood-sample, the report on medical findings and the expert-opinion and blood-alcohol in the main hearing of a law court as a documentary proof. Furthermore he explains how the revision reproof is to represented to the appeal court in case of violation.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 1990Between the years 1964 and 1983, 59,226 blood samples with appropriate blood-alcohol concentrations (BAC greater than 0.1 g/kg) were investigated at the Institute for Forensic Medicine at the University of Tübingen. These originated from 47,416 different "culprits", of whom 38,851 (81.9%) were first offenders and 8,565 (18.1%) multiple offenders. The total number of crimes committed by the latter group reached as many as 13. There were fewer women amongst the recurring offenders, the maximum number of offences in this group was 4. The age of the multiple offenders at the time of their first brush with the law was lower than that of single culprits. Their blood-alcohol level at the first offence was similar to that of single offenders, however it increased slightly with each subsequent time. Homotropic traffic offenders were mainly only represented in the group with the lower crime rate. Most multiple offenders proved to be criminal delinquents who were frequently conspicuous not only for criminal--but also for criminal--and traffic violations. In about half the cases the time intervals between 2 offences was under 3 years.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 1995Blood samples sent in for analysis in 1992 and 1993 showed an increase in the BAC values of offenders in the "driving under the influence" category. At the same time it was found that, proportionally, the number of people whose BAC was below 0.8% had dropped. The same trend could be observed in the "road accident" category. This trend continued throughout 1994. One can therefore assume that the introduction of the "0.8% law" in eastern Germany has brought with it an increase in the level of intoxication of people driving under the influence of alcohol.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Part of book or chapter of book , Other literature type 2021Publisher:Universität Hamburg Authors: Arneth, Almut; Foken, Thomas;Die intensive Nutzung in Landwirtschaft und Forstwirtschaft und damit einhergehende Bodendegradation stellen eine enorme Herausforderung für die menschliche Gesellschaft dar. Insbesondere die Übernutzung reduziert die Ernährungssicherheit, führt zur Emission von Treibhausgasen und Aerosolen, treibt den Verlust der biologischen Vielfalt an, verschmutzt das Wasser und untergräbt eine Vielzahl von Ökosystemdienstlei - stungen, die über die Nahrungsmittelversorgung sowie die Wasser- und Klimaregulierung hinausgehen. Die direkten Emissionen durch Entwaldung, Düngung, Reisanbau und Wiederkäuer belaufen sich derzeit auf etwa 25% aller menschlichen Treibhausgasemissionen. Der intensiven Landnutzung zugrunde liegen sowohl das Bevölkerungswachstum, der Anstieg im pro-Kopf-Verbrauch an Kalorien, Holz und Fasern sowie verstärkter Konsum von Fleisch- und Milchprodukten. Dieses Kapitel fasst diese soziökonomischen Aspekte kurz zusammen und führt in die grundsätzlichen Prozesse ein, die der Emission von CO2, CH4 und N2O zugrunde liegen. In verschiedenen Kapiteln in diesem Buch werden diese Prozesse wieder aufgegriffen und unter verschiedenen Gesichtspunkten detaillierter beleuchtet. Socioeconomic aspects of land use change, effects on biogeochemical cycles and greenhouse gas emissions: Intensive agriculture and forestry and associated land degradation, pose an enormous challenge to human society. Overuse of land ecosystems reduces food security, leads to emissions of greenhouse gases and aerosols, drives biodiversity loss, pollutes water, and undermines a wide range of ecosystem services beyond food supply and water and climate regulation. Direct emissions from deforestation, fertilization, rice cultivation, and ruminants currently amount to about 25% of all human greenhouse gas emissions. Drivers of intensive land useare population growth, together with increases in per capita consumption of calories, wood, and fiber, and a shift towards consumption of meat and dairy products. This chapter briefly summarizes these socioeconomic aspects and introduces the basic processes underlying the emission of CO2, CH4, and N2O. Various chapters in this book revisit these processes and examine them in more detail from different perspectives. Aspectos socioeconómicos del cambio de uso de la tierra, efectos en los ciclos biogeoquímicos y emisiones de gases de efecto invernadero: El uso intensivo del suelo en la agricultura y la silvicultura asi como la asociada degradación del suelo representan un enorme desafío para la sociedad humana. En particular, el sobreuso hace peligrar la seguridad alimentaria, conduce a la emisión de gases de efecto invernadero y aerosoles, incrementa la pérdida de biodiversidad, contamina el agua y socava una variedad de servicios de los ecosistemas más allá del suministro de alimentos y la regulación del agua y el clima. Las emisiones directas de la deforestación, la fertilización, el cultivo de arroz y los rumiantes representan actualmente alrededor del 25% de todas las emisiones antrópicas de gases de efecto invernadero. El uso intensivo de la tierra se basa en el crecimiento de la población, el aumento del consumo per cápita de calorías, madera y fibra y un mayor consumo de carne y productos lácteos. Este capítulo resume brevemente estos aspectos socioeconómicos e introduce los procesos fundamentales que subyacen a la emisión de CO2, CH4 y N2O. Estos procesos se retoman en varios capítulos de este libro y se examinan con más detalle desde varias perspectivas.
https://dx.doi.org/1... arrow_drop_down https://dx.doi.org/10.25592/uh...Part of book or chapter of book . 2021License: CC BYData sources: Datacitehttps://dx.doi.org/10.25592/uh...Part of book or chapter of book . 2021License: CC BYData sources: Datacitehttps://dx.doi.org/10.25592/wa...Part of book or chapter of book . 2021License: CC BYData sources: Dataciteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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more_vert https://dx.doi.org/1... arrow_drop_down https://dx.doi.org/10.25592/uh...Part of book or chapter of book . 2021License: CC BYData sources: Datacitehttps://dx.doi.org/10.25592/uh...Part of book or chapter of book . 2021License: CC BYData sources: Datacitehttps://dx.doi.org/10.25592/wa...Part of book or chapter of book . 2021License: CC BYData sources: Dataciteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type , Thesis 2021Publisher:TU Wien Authors: Helene Ulrike Gruber;Klima und Wohnen – Eine Geschichte gegenseitiger Einflussnahme Unser Planet verändert sich. Der anthropogene Klimawandel verursacht weltweit Dürren und Waldbrände, lässt die Meeresspiegel steigen und führt zu humanitären Katastrophen. Viele Länder streben die Umkehr respektive eine Abminderung der Folgen des Klimawandels an und haben zu diesem Zweck Klimabündnisse und Klima[1]abkommen ins Leben gerufen. Die Vereinten Nationen, die Europäische Union und Österreich haben dazu verschiedene Ziele formuliert und Maßnahmenkataloge entwickelt, die dem Trend der weltweiten Klimaerwärmung entgegen[1]wirken (Klimaschutzziele) und nachhaltige und zukunftsfähige Entwicklungen hervorbringen sollen (Nachhaltige Entwicklungsziele). Das Bauwesen mit dem Sektor Gebäude als zweitgrößtem Treibhausgas-Emittenten in Österreich ist neben dem Sektor Verkehr die größte Quelle von CO2-Emissionen außerhalb des EU-Emissionshandels. Private Haushalte sind mit der Bereitstellung von Raumwärme und Warmwasser für die meisten Treibhausgas-Emissionen verantwortlich. Nationale Jahresberichte zeigen, dass die gemeinsam formulierten und ratifizierten Klimaschutzziele nur unzureichend erfüllt werden. Sollte die 1,5°-Celsius-Marke der maximalen globalen Erwärmung überschritten werden, ist der weltweite Klimawandel nicht mehr umkehrbar. Der demografische Wandel und das Wachstum der Städte verlangen nach neuem Wohnraum. Nachverdichtung, Neubau und Sanierungen bieten mit dem Wissen ob der klimatischen Veränderungen und dem maßgeblichen Einfluss auf CO2-Emissionen privater Haushalte eine ideale Angriffsfläche für Veränderung im Bauwesen. Energieeffizientes Bauen unter Einbeziehung integrierter erneuerbarer Energieerschließung, Ressourcenschonung, der Einsatz von nach[1]wachsenden Rohstoffen sowie eine holistische Lebenszyklusanalyse sind hierbei wesentlich.Schnittstelle – Die Smart City Wien Rahmenstrategie 2019 – 2050.Die Rahmenstrategie für die „Smart City Wien 2050“ basiert auf den nachhaltigen Entwicklungszielen (den 17 SDGs) der UN Agenda 2030 und formuliert eine Mission sowie verschiedene Ziele, deren Einhaltung die Zukunftsfähigkeit und die Lebensqualität der Stadt für alle Menschen in Wien garantieren soll. Die Smart City Wien bekennt sich zum 1,5°-Celsius-Ziel. Gemeinsam mit Monitoring und Governance bilden die zwölf Zielbereiche das Rückgrat der Rahmenstrategie. Die einzelnen Unterziele geben Planenden Argumente für nachhaltige Lösungen in die Hand. Sechs der zwölf Zielbereiche wurden für diese Arbeit als Schnittstelle zwischen Klimaschutzzielen, nachhaltigen Entwicklungszielen und dem Wohnen ausgewählt: Partizipation, Gebäude, Energieversorgung, soziale Inklusion, Umwelt sowie Mobilität und Verkehr.Baugruppen – Partizipation als Ressource.Die Stadt Wien fördert Partizipationsprozesse und Baugruppen. In der Stadtentwicklung sind Baugruppenprojekte in Quartiersentwicklungen oder bei Bauträgerwettbewerben für kleinere Grundstücke seit einigen Jahren fest verankert. Baugruppenprojekte bergen Lebendigkeit und Strahlkraft, sie evozieren positive Entwicklungen im Stadtquartier und werden gezielt zur Stadtteil[1]entwicklung eingesetzt. Mit dem Einsatz von Ressourcen wie Zeit, Geld und Raum für die Beteiligung im Partizipations[1]prozess können im Bau oder der Sanierung sowie später in der Nutzungsphase eines Gebäudes Baumaterialien, Energiebedarf und CO2-Emis[1]sionen, aber auch Geld und Bodenfläche, ein[1]gespart werden. Aber auch außerhalb des Sektors Gebäude wird die Verringerung der Treibhaus[1]gas-Emissionen dank der sozialen Vernetzung vorangetrieben. Eigene Sharing-Plattformen für Mobilität und Gebrauchsgegenstände können beispielsweise Ergebnisse partizipativer Wohn[1]formen sein. Innerhalb der richtigen Rahmen[1]bedingungen fördern Baugruppenprojekte soziale Inklusion und tragen zur Schaffung von leistbarem Wohnraum bei.Motivation.Aus einem persönlichen Interesse für nachhaltige Entwicklungen habe ich ein Praktikum in einem Büro absolviert, welches Baugruppenprojekte, auch in Holzbauweise, realisiert. In meinem Praktikum bei einszueins architektur (September 2019 – April 2020) habe ich vier Monate am „Bauträger-wettbewerb für Baugruppen 2019“ gezeichnet. In einem gemeinsamen Projektteam bestehend aus Baugruppe, Architekturbüro, sozialer Prozessbegleitung und Bauträger wurde das Bau- und Projektkonzept namens HABITAT HIMMELTEICH für rund 30 Wohneinheiten in Essling in Wien entwickelt. Durch den persönlichen Bezug zu diesem Projekt habe ich beschlossen, die Wettbewerbsbroschüre HABITAT HIMMELTEICH als Basis für meine Diplomarbeit zu verwenden. Der partizipative Prozess der Gruppe innerhalb der 1. Stufe des Wettbewerbs wird als Fallbeispiel exemplarisch dargestellt. Diese Arbeit untersucht mithilfe der Wiener Rahmenstrategie als Schnittstelle positive Beiträge von Baugruppen zur Erfüllung der Klimaziele.Forschungsfragen und ZielDie vorliegende Diplomarbeit untersucht den Beitrag von Baugruppen zur Smart City Wien 2050 – und somit zur Erfüllung der Pariser Klimaschutzziele und der Nachhaltigen Entwicklungsziele. Das Ziel dieser Arbeit ist die Beleuchtung der positiven Beiträge von Baugruppen zur Erfüllung der ZieleMethodik und AufbauDie Methoden der Kapitel 2-4 und 6 sind Literaturrecherche und Beobachtung. Die Methoden des Kapitel 5 – Fallbeispiel sind die Mitarbeit am Projekt und Beobachtung. Climate and Housing - A History of Mutual Influence.Our planet is changing. Anthropogenic climate change causes droughts and forest fires worldwide, raises sea levels and leads to humanitarian disasters. Many countries are striving to reverse or mitigate the consequences of climate change and have set up climate alliances and agreements for this purpose. The United Nations, the European Union and Austria have formulated various goals and developed catalogs of measures to counteract the trend of global warming (climate protection goals) and to bring about sustainable and future-oriented developments (sustainable development goals). The construction industry, with the building sector as the second largest greenhouse gas emitter in Austria, is the largest source of CO2 emissions outside of the EU emissions trading, alongside the transport sector. Private households are responsible for most of the greenhouse gas emissions by providing space heating and hot water. National annual reports show that the jointly formulated and ratified climate protection goals are only inadequately met. If the maximum global warming of 1.5 ° Celsius is exceeded, global climate change is no longer reversible. Demographic change and the growth of cities require new living space. Densification, new construction and renovations offer an ideal target for changes in the construction industry with the knowledge of climatic changes and the significant influence on CO2 emissions in private households. Energy-efficient construction with the inclusion of integrated renewable energy development, resource conservation, the use of renewable raw materials and a holistic life cycle analysis are essential here. Interface - The Smart City Wien Framework Strategy 2019-2050.The framework strategy for “Smart City Wien 2050” is based on the sustainable development goals (the 17 SDGs) of the UN Agenda 2030 and formulates a mission and various goals, compliance with which should guarantee the future viability and quality of life of the city for all people in Vienna. Smart City Wien is committed to the 1.5 ° Celsius target. Together with monitoring and governance, the twelve target areas form the backbone of the framework strategy. The individual sub-goals provide planners with arguments for sustainable solutions. Six of the twelve target areas were selected for this work as an interface between climate protection goals, sustainable development goals and living: participation, buildings, energy supply, social inclusion, the environment, and mobility and transport. Assemblies - participation as a resource.The City of Vienna promotes participation processes and assemblies. In urban development, assembly projects have been firmly anchored in district developments or in property developer competitions for smaller properties for several years. Building group projects bring vitality and charisma, they evoke positive developments in the urban quarter and are used specifically for urban development. By using resources such as time, money and space for participation in the participation process, savings can be made on building materials, energy requirements and CO2 emissions, as well as money and floor space, during construction or renovation and later in the use phase of a building. But the reduction of greenhouse gas emissions is also being promoted outside the building sector thanks to social networking. Own sharing platforms for mobility and everyday objects can, for example, be the result of participatory forms of living. Within the right framework, assembly projects promote social inclusion and help create affordable housing. Motivation.Out of a personal interest in sustainable developments, I completed an internship in an office that implements assembly projects, including wood construction. In my internship at einszueins architektur (September 2019 - April 2020) I drew four months in the "Developer competition for assemblies 2019". The construction and project concept called HABITAT HIMMELTEICH for around 30 residential units in Essling in Vienna was developed in a joint project team consisting of an assembly group, architecture office, social process support and property developer. Due to the personal connection to this project, I decided to use the competition brochure HABITAT HIMMELTEICH as the basis for my diploma thesis. The participatory process of the group within the 1st stage of the competition is presented as an example. Using the Vienna framework strategy as an interface, this work examines positive contributions made by assemblies to meet the climate targets. Research questions and goalThis diploma thesis examines the contribution of assemblies to Smart City Vienna 2050 - and thus to the fulfillment of the Paris climate protection goals and the sustainable development goals. The aim of this work is to illuminate the positive contributions of assemblies to the achievement of the goals. Methodology and structureThe methods of Chapters 2-4 and 6 are literature research and observation. The methods of Chapter 5 - Case Study are collaboration on the project and observation.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Report 2021Publisher:acatech - Deutsche Akademie der Technikwissenschaften Peter, Elsner; M��ller-Kirschbaum, Thomas; Schweitzer, Katharina; Wolf, Ronja; Seiler, Elisa; D��silets, Peter; Detsch, Ralph; Dornack, Christina; Ferber, Josef; Fleck, Claudia; Fr��hling, Magnus; Hagspiel, Karl; Hahn, R��diger; Haupts, Christian; Hoffmann, Christoph; Kr��ger, P��ter; Lange, Marko; Leopold, Thorsten; L��scher, Michael; Nieders����, Peter; Ohlendorf, Tom; Pattberg, Jutta; Renner, Manfred; Schlarb, Alois K.; Schmidt, Michael; Siebert, Hartmut; Siggelkow, Bettina; Stadelmann, Simon; Thielen, Julian; Wilts, Henning; Beermann, Marina; Dieterle, Michael; Ecke, Nicholas; Klose, Svenja; Kobus, J��rn; Krause, Lars; Maletz, Roman; Marm, Alina; Kadner, Susanne;Heutige Produktions- und Konsummuster folgen weitgehend einer linearen Logik: abbauen, herstellen, konsumieren, entsorgen. Nur neun Prozent der Weltwirtschaft sind laut Circular Gap Report 2020 kreislaufgef��hrt. Doch dieses Wirtschaftsprinzip tr��gt zu einer massiven ��berschreitung der ���Planetaren Grenzen��� und damit zu einer Destabilisierung der ��kosysteme und Lebensgrundlage der Menschen bei, wie etwa des Klimasystems und der Artenvielfalt. Demzufolge wird derzeit viel ��ber einen Paradigmenwechsel in der Logik industrieller Wertsch��pfung diskutiert ��� weg von einem ressourcenintensiven hin zu einem ressourcenproduktiven, weitgehend kreislaufgef��hrten Modell. F��r das Industrie- und Exportland Deutschland ergeben sich weitreichende Chancen, schlie��lich bedeutet dieser Wechsel nicht weniger als eine Neuinterpretation des Modells ���Made in Germany���. Die Europ��ische Union und zahlreiche Mitgliedsl��nder haben bereits strategische Pl��ne f��r einen ��bergang zu einer ressourcenschonenden Wirtschaftsweise nach den Prinzipien der Circular Economy entwickelt. Auch au��erhalb von Europa folgen L��nder dieser Leitidee, beispielsweise China, Japan oder Kanada. F��r Deutschland fehlt solch ein Plan derzeit. Die Circular Economy Initiative Deutschland (CEID) hat zum Ziel, als Multi-Stakeholder-Prozess mit mehr als f��nfzig Institutionen aus Wirtschaft, Wissenschaft und Zivilgesellschaft die Grundlage f��r einen solchen Plan zu legen. In interdisziplin��ren und branchen��bergreifenden Arbeitsgruppen er��rtern rund 130 Expertinnen und Experten, wie zirkul��re Wirtschaftssysteme erm��glicht und umgesetzt werden k��nnen. Dazu untersuchen sie m��gliche Anwendungsfelder und diskutieren, welche Rahmenbedingungen zu einer erfolgreichen Umsetzung f��hren k��nnten. Die Circular Economy Initiative Deutschland definiert Ziele f��r diesen Ver��nderungsprozess und fokussiert folgende Themen: - Zirkul��re Gesch��ftsmodelle und digitale Technologien als Innovationstreiber - Neue Wertsch��pfungsnetzwerke f��r Batterien und Verpackung - Rahmenbedingungen f��r eine zirkul��re Transformation und Bemessung der volkswirtschaftlichen Circular-Economy-Potenziale Zwischen Oktober 2019 und Dezember 2020 hat die Arbeitsgruppe Verpackung der Circular Economy Initiative Deutschland ein gemeinsames Zielbild 2030 und Handlungsempfehlungen hin zu einer Kreislaufwirtschaft (CE) f��r Verpackungen entwickelt. Mit einer wertsch��pfungsketten��bergreifenden Betrachtung hat die Arbeitsgruppe Anreiz und Nutzen f��r die Kreislauff��hrung von Verpackungsmaterialien zwischen relevanten Akteuren beleuchtet und dadurch Handlungsoptionen entlang der gesamten Wertsch��pfungskette identifiziert. Damit unterst��tzen die Mitglieder die Initiierung, Umsetzung und langfristige Verankerung der Circular Economy in Deutschland und dar��ber hinaus. Mit 20 Mitgliedsorganisationen der Arbeitsgruppe ���Verpackung��� umfassen die Mitglieder Vertreterinnen und Vertreter aus f��hrenden deutschen Unternehmen, akademischen Institutionen und zivilgesellschaftlichen Vereinigungen ��ber die gesamte Wertsch��pfungskette hinweg. Damit konnte die Arbeitsgruppe ihr Ziel erreichen, eine wissenschaftlich fundierte und m��glichst ganzheitliche Betrachtung des Themas zu gew��hrleisten. Most current patterns of production and consumption follow a linear ���extract, produce, consume, dispose��� model. According to the Circular Gap Report 2020, the global economy is just 9% circular. This economic model is contributing to a massive transgression of ���planetary boundaries��� and the destabilisation of ecosystems and factors essential to human life such as the climate system and biodiversity. As a result, there is currently much discussion of a paradigm shift in the industrial value creation model, away from a resource-intensive system and towards a resource-productive, predominantly circular model. This shift offers significant opportunities for an industrialized, exporting nation like Germany ��� ultimately, it entails nothing less than a recasting of the ���Made in Germany��� model. The European Union and several of its member states have already developed strategic plans for the transition to a resource-efficient economic system based on circular economy principles. Non-European countries such as China, Japan and Canada are also following the same fundamental approach. However, Germany has yet to formulate a plan of its own. The Circular Economy Initiative Deutschland (CEID) is a multi-stakeholder initiative involving over fifty institutions from science, industry and civil society that aims to lay the foundations of a plan for Germany. In its interdisciplinary, cross-sectoral working groups, some 130 experts consider how to enable and implement circular economic models, exploring potential fields of application and discussing the conditions that could facilitate successful implementation. The Circular Economy Initiative Deutschland is developing targets for the transition, with a focus on the following themes: - Circular business models and digital technologies as drivers for innovation - New value networks for batteries and packaging - Framework conditions for a circular transformation and assessment of circularity���s economic potential Between October 2019 und December 2020, the Working Group ���Packaging��� of the Circular Economy Initiative Deutschland developed a joint target picture 2030 and recommendations for action for the establishment of a Circular Economy for packaging. With a cross-value chain approach, the Working Group highlighted incentives and benefits for the recycling of packaging materials across relevant stakeholders and thereby identified options for action along the entire value chain. With the report, the members support the initiation, implementation and long-term anchoring of the Circular Economy in Germany and beyond. The 20 members of the Working Group ���Packaging��� are experts from leading academic institutions, German businesses and civil society across the entire packaging value chain. This composition allowed the group to achieve its goal of addressing the topic as holistically as possible.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Doctoral thesis , Thesis 2011Embargo end date: 17 Oct 2011 GermanyPublisher:TUHH Universitätsbibliothek Authors: Banduch, Izabela;doi: 10.15480/882.1025
Since the establishment of the activited sludge process in everyday life, we are constantly in search of new solutions to optimize the biologic process of sewage purification in a sustinable and economic way. The application of ultrasonic sound, which is investigated in this thesis, manifests itself as a qualified technique. After the influence of ultrasound an optimal morphological modification in the flake structure is achieved and the microbial activity in the activated sludge is enhaced. Furthermore, we can observe a reduction of the excess biomass by pro-rata dissolution of the activated sludge. Seit der Etablierung des Belebtschlammverfahens im Alltag ist man auf der Suche nach neuen Lösungen um den biologischen Prozess der Abwasserreinigung nachhaltig und wirtschaftlich zu optimieren. Der in dieser Arbeit untersuchte Einsatz des Ultraschalls zeigte sich als geeignete Technik. Nach der Ultraschalleinwirkung werden optimale morphologische Veränderungen in der Flockenstruktur erreicht, infolge dessen wird die mikrobielle Aktivität im Belebtschlamm gesteigert. Darüber hinaus durch Auflösung eines Teils des Belebtschlammes wird eine Verringerung der überschüssigen Biomasse beobachtet.
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visibility 320visibility views 320 download downloads 540 Powered bymore_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 1975The germ reducing efficacy of tap water, soap, pHisoHex, pHisoDerm and 70% ethanol was compared using the model of hands artificially contaminated with E. coli. Each of ten persons washed 1, 2 or 4 minutes. Reduction factors were calculated from pre- and post-values and were compared for each individual. After one minute the logarithms of the geometric means of the reduction factors amounted to 2,99, 3,23, 3,28, 3,61, 4,25 in the above used sequence (Table 2). After one minute the reductions came off more slowly and the slopes were linear and parallel as far as the mechanical germ reducing procedures are concerned (Fig. 2). In contrast, ethanol caused a steeper slope even after one minute wash. The strong reduction achieved by mechanical procedures (even with water for one minute 3 powers of ten were observed) demonstrates the high hygienic importance of hand washings for removal of the transient flora. Detergents like pHisoDerm produce further significantly higher reductions and seem to be more suitable than aggressive disinfectants for application in fields where bactericidal action is not imperative. The proposals for procedures aiming at disinfecting of the transient flora issued by the Austrian Society for Hygiene, Microbiology and Preventive Medicine require a reduction factor of at least 10(5) after two minutes hand wash. The results of this investigation show that this is practicable with ethanol and necessary, otherwise the bactericidal action would not be different from a mechanical removal of the transient flora.
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For further information contact us at helpdesk@openaire.eu25 citations 25 popularity Average influence Top 10% impulse Top 10% Powered by BIP!
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description Publicationkeyboard_double_arrow_right Other literature type 2017Publisher:TU Wien Authors: Aschauer, Dominik;In the described case, the dust and ash particles are removed in a product gas filter. A scrubber with packed bed was used to clean the product gas from the tar components. The solvent of the scrubber was RME (rapeseed methyl ester), a biodiesel. RME is used because of its good tar separating characteristics. To investigate these tar separation characteristics of RME and the separation efficiency of the scrubber, four enrichment experiments were carried out during this work. These experiments took place at the 'Technikum' nearby the biomass steam gasification plant G��ssing. There, a pilot-scale scrubber and product gas from the gasification plant were used to perform the enrichment experiments. The four experiments are long term experiments with duration of approximately 120 hours each to obtain comparable results, it is necessary to make sure most of parameters are constant during the experiments. Only the RME temperature was changed from 0��C in the first experiment to 40��C in the last experiment. The task of this master thesis was to investigate the removal efficiency of the scrubber for the tar components benzene, toluene and xylene from the gas. During the enrichment experiments, a continuing data recording was fulfilled and in addition discontinuous tar sampling was accomplished. The discontinuous tar samples were taken 0:15h, 1h, 5h, 25h, 120h after the start of the experiments. The tar samples were analyzed in a laboratory and the results give the opportunity to evaluate the efficiency of the scrubber to eliminate benzene, toluene and xylene from the product gas. Using an exponential model, the results were fitted as scrubber efficiency as function of dry product gas volume at standard pressure and temperature. The results give good information about the behavior of toluene and xylene, because they show a good correlation between the temperature of RME and the separation efficiency. The results of benzene do not show this clear correlation. The results show, that, if fresh RME is used, a very good, nearly 100% tar separation is possible. Comparing the results to the CHP's scrubber, it can be concluded, that only a very little fraction of the tar components, which were investigated in this work, are actually removed there. Es wurde im Technikumsma��stab ein Versuchsw��scher mit Produktgas aus dem Biomasseheizkraftwerk G��ssing betrieben. Es wurden vier 120h Anreicherungsversuche bei Temperaturen von 0��C bis 40��C durchgef��hrt, um das Abscheideverhalten zu untersuchen. Die bei den Versuchen betrachteten Teerkomponenten waren Benzol, Toluol und Xylol. Sie wurden ausgew��hlt, da sie die am schwersten abzutrennende Teerfraktion sind. W��hrend der Anreicherungsversuche wurden s��mtliche Parameter m��glichst konstant gehalten, einzig die Temperatur des W��schermediums wurde variiert. Neben einer kontinuierlichen Datenaufzeichnung wurden 0:15h, 1h, 5h, 25h und 120h nach Versuchsstart Teerproben vor und nach dem Versuchsw��scher genommen. Diese Probenahme liefert Messpunkte, um die Effizient des Versuchsw��schers zu beurteilen. Durch ein exponentielles Modell wurden die ermittelten Daten in eine kontinuierliche Funktion des Abscheidegrades umgerechnet. Um die Vergleichbarkeit mit ��hnlichen, mit dem gleichen L��sungsmittel betriebenen W��scher zu gew��hrleisten, wurde das durch den W��scher gereinigte Produktgasnormvolumen in eine Beladung des L��sungsmittels umgerechnet. Somit erh��lt man einen Zusammenhang zwischen dem Abscheidegrad und der Beladung des L��sungsmittels. Die Ergebnisse liefern f��r die Teerkomponenten Toluol und Xylol einen eindeutig erkennbaren Zusammenhang zwischen L��sungsmitteltemperatur und Abscheidegrad. Benzol zeigt diesen Zusammenhang ohne ausf��hrliche Fehlerbetrachtung nicht. Bei geringer Beladung des L��sungsmittels kann ein Abscheidegrad von 100% f��r alle betrachteten Komponenten erreicht werden, mit steigender Beladung nimmt der Abscheidegrad f��r alle Komponenten jedoch stark ab. Die Ergebnisse zeigen des Weiteren, dass sich mit steigender L��sungsmitteltemperatur der Abscheidegrad bei gleicher betrachteter Teerkomponente verschlechtert. Diese Gegebenheiten deuten darauf hin, dass Absorptionsprozesse f��r die Teerabscheidung in einem Biodieselw��scher verantwortlich sind und Kondensation eine untergeordnete Rolle spielt. Ein Vergleich mit dem Kraftwerksw��scher zeigt, dass dieser die beobachteten Teerkomponenten nur zu einem geringen Teil abscheidet.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2019Publisher:Ural State Mining University Authors: A.V. ALEKSEEV; P.E. VERBILO;Relevance of the work. Estimation of the stability of free face is an important task due to the fact that part of headings of tube railroad is erected by mining, with the forehead of the face fixed manually, while indirect methods of forecasting engineering-geological and hydrogeological conditions before the forehead of the face indicate the presence of local softening and watering capable affect sustainability. Purpose of the work. Estimation of the zone of influence and the type of drainage of the element of heterogeneity on the stability of the tunnel face passed in the array of Proterozoic clays. Method and methodology. The finite element method used in the PLAXIS software package was chosen as the research method. The Hardening Soil Small Strain hardening soil model was selected as a geomechanical model of soil behavior. The design situations of deforming the unfixed forehead of the face approaching the water-saturated element of heterogeneity, are considered when simulating an element with a capacity of 1 and 4 m and changing the nature of water filtration along the element. Results of the work. When deformation properties of the calculated soil elements differ by 30% with the given level of groundwater, both in the case of drainage and nondrainability, an increase in displacements occurs when the tunneling face approaches the zone of influence of heterogeneity. The size of the zone of influence depends on the chosen type of drainage of the element of heterogeneity. Applicable scope of the results described in the paper. The results described in the paper (subject to determining the parameters of the model that meet the conditions of penetration) can be used to estimate the stability of the forehead of the tunnel face in the area of heterogeneity, which is the water supply canal. Conclusion. When designing construction of a linear underground facility in an area of heterogeneity, it is necessary to evaluate the stability of the forehead of the face using numerical modeling. When modeling an element of heterogeneity, it is necessary to take into account the degree of water saturation, the thickness of the element of heterogeneity and the nature of permeability of water along the element of heterogeneity.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 1989The author deals with the question when and on which conditions it is allowed to read out the record on the blood-sample, the report on medical findings and the expert-opinion and blood-alcohol in the main hearing of a law court as a documentary proof. Furthermore he explains how the revision reproof is to represented to the appeal court in case of violation.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 1990Between the years 1964 and 1983, 59,226 blood samples with appropriate blood-alcohol concentrations (BAC greater than 0.1 g/kg) were investigated at the Institute for Forensic Medicine at the University of Tübingen. These originated from 47,416 different "culprits", of whom 38,851 (81.9%) were first offenders and 8,565 (18.1%) multiple offenders. The total number of crimes committed by the latter group reached as many as 13. There were fewer women amongst the recurring offenders, the maximum number of offences in this group was 4. The age of the multiple offenders at the time of their first brush with the law was lower than that of single culprits. Their blood-alcohol level at the first offence was similar to that of single offenders, however it increased slightly with each subsequent time. Homotropic traffic offenders were mainly only represented in the group with the lower crime rate. Most multiple offenders proved to be criminal delinquents who were frequently conspicuous not only for criminal--but also for criminal--and traffic violations. In about half the cases the time intervals between 2 offences was under 3 years.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 1995Blood samples sent in for analysis in 1992 and 1993 showed an increase in the BAC values of offenders in the "driving under the influence" category. At the same time it was found that, proportionally, the number of people whose BAC was below 0.8% had dropped. The same trend could be observed in the "road accident" category. This trend continued throughout 1994. One can therefore assume that the introduction of the "0.8% law" in eastern Germany has brought with it an increase in the level of intoxication of people driving under the influence of alcohol.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Part of book or chapter of book , Other literature type 2021Publisher:Universität Hamburg Authors: Arneth, Almut; Foken, Thomas;Die intensive Nutzung in Landwirtschaft und Forstwirtschaft und damit einhergehende Bodendegradation stellen eine enorme Herausforderung für die menschliche Gesellschaft dar. Insbesondere die Übernutzung reduziert die Ernährungssicherheit, führt zur Emission von Treibhausgasen und Aerosolen, treibt den Verlust der biologischen Vielfalt an, verschmutzt das Wasser und untergräbt eine Vielzahl von Ökosystemdienstlei - stungen, die über die Nahrungsmittelversorgung sowie die Wasser- und Klimaregulierung hinausgehen. Die direkten Emissionen durch Entwaldung, Düngung, Reisanbau und Wiederkäuer belaufen sich derzeit auf etwa 25% aller menschlichen Treibhausgasemissionen. Der intensiven Landnutzung zugrunde liegen sowohl das Bevölkerungswachstum, der Anstieg im pro-Kopf-Verbrauch an Kalorien, Holz und Fasern sowie verstärkter Konsum von Fleisch- und Milchprodukten. Dieses Kapitel fasst diese soziökonomischen Aspekte kurz zusammen und führt in die grundsätzlichen Prozesse ein, die der Emission von CO2, CH4 und N2O zugrunde liegen. In verschiedenen Kapiteln in diesem Buch werden diese Prozesse wieder aufgegriffen und unter verschiedenen Gesichtspunkten detaillierter beleuchtet. Socioeconomic aspects of land use change, effects on biogeochemical cycles and greenhouse gas emissions: Intensive agriculture and forestry and associated land degradation, pose an enormous challenge to human society. Overuse of land ecosystems reduces food security, leads to emissions of greenhouse gases and aerosols, drives biodiversity loss, pollutes water, and undermines a wide range of ecosystem services beyond food supply and water and climate regulation. Direct emissions from deforestation, fertilization, rice cultivation, and ruminants currently amount to about 25% of all human greenhouse gas emissions. Drivers of intensive land useare population growth, together with increases in per capita consumption of calories, wood, and fiber, and a shift towards consumption of meat and dairy products. This chapter briefly summarizes these socioeconomic aspects and introduces the basic processes underlying the emission of CO2, CH4, and N2O. Various chapters in this book revisit these processes and examine them in more detail from different perspectives. Aspectos socioeconómicos del cambio de uso de la tierra, efectos en los ciclos biogeoquímicos y emisiones de gases de efecto invernadero: El uso intensivo del suelo en la agricultura y la silvicultura asi como la asociada degradación del suelo representan un enorme desafío para la sociedad humana. En particular, el sobreuso hace peligrar la seguridad alimentaria, conduce a la emisión de gases de efecto invernadero y aerosoles, incrementa la pérdida de biodiversidad, contamina el agua y socava una variedad de servicios de los ecosistemas más allá del suministro de alimentos y la regulación del agua y el clima. Las emisiones directas de la deforestación, la fertilización, el cultivo de arroz y los rumiantes representan actualmente alrededor del 25% de todas las emisiones antrópicas de gases de efecto invernadero. El uso intensivo de la tierra se basa en el crecimiento de la población, el aumento del consumo per cápita de calorías, madera y fibra y un mayor consumo de carne y productos lácteos. Este capítulo resume brevemente estos aspectos socioeconómicos e introduce los procesos fundamentales que subyacen a la emisión de CO2, CH4 y N2O. Estos procesos se retoman en varios capítulos de este libro y se examinan con más detalle desde varias perspectivas.
https://dx.doi.org/1... arrow_drop_down https://dx.doi.org/10.25592/uh...Part of book or chapter of book . 2021License: CC BYData sources: Datacitehttps://dx.doi.org/10.25592/uh...Part of book or chapter of book . 2021License: CC BYData sources: Datacitehttps://dx.doi.org/10.25592/wa...Part of book or chapter of book . 2021License: CC BYData sources: Dataciteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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more_vert https://dx.doi.org/1... arrow_drop_down https://dx.doi.org/10.25592/uh...Part of book or chapter of book . 2021License: CC BYData sources: Datacitehttps://dx.doi.org/10.25592/uh...Part of book or chapter of book . 2021License: CC BYData sources: Datacitehttps://dx.doi.org/10.25592/wa...Part of book or chapter of book . 2021License: CC BYData sources: Dataciteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type , Thesis 2021Publisher:TU Wien Authors: Helene Ulrike Gruber;Klima und Wohnen – Eine Geschichte gegenseitiger Einflussnahme Unser Planet verändert sich. Der anthropogene Klimawandel verursacht weltweit Dürren und Waldbrände, lässt die Meeresspiegel steigen und führt zu humanitären Katastrophen. Viele Länder streben die Umkehr respektive eine Abminderung der Folgen des Klimawandels an und haben zu diesem Zweck Klimabündnisse und Klima[1]abkommen ins Leben gerufen. Die Vereinten Nationen, die Europäische Union und Österreich haben dazu verschiedene Ziele formuliert und Maßnahmenkataloge entwickelt, die dem Trend der weltweiten Klimaerwärmung entgegen[1]wirken (Klimaschutzziele) und nachhaltige und zukunftsfähige Entwicklungen hervorbringen sollen (Nachhaltige Entwicklungsziele). Das Bauwesen mit dem Sektor Gebäude als zweitgrößtem Treibhausgas-Emittenten in Österreich ist neben dem Sektor Verkehr die größte Quelle von CO2-Emissionen außerhalb des EU-Emissionshandels. Private Haushalte sind mit der Bereitstellung von Raumwärme und Warmwasser für die meisten Treibhausgas-Emissionen verantwortlich. Nationale Jahresberichte zeigen, dass die gemeinsam formulierten und ratifizierten Klimaschutzziele nur unzureichend erfüllt werden. Sollte die 1,5°-Celsius-Marke der maximalen globalen Erwärmung überschritten werden, ist der weltweite Klimawandel nicht mehr umkehrbar. Der demografische Wandel und das Wachstum der Städte verlangen nach neuem Wohnraum. Nachverdichtung, Neubau und Sanierungen bieten mit dem Wissen ob der klimatischen Veränderungen und dem maßgeblichen Einfluss auf CO2-Emissionen privater Haushalte eine ideale Angriffsfläche für Veränderung im Bauwesen. Energieeffizientes Bauen unter Einbeziehung integrierter erneuerbarer Energieerschließung, Ressourcenschonung, der Einsatz von nach[1]wachsenden Rohstoffen sowie eine holistische Lebenszyklusanalyse sind hierbei wesentlich.Schnittstelle – Die Smart City Wien Rahmenstrategie 2019 – 2050.Die Rahmenstrategie für die „Smart City Wien 2050“ basiert auf den nachhaltigen Entwicklungszielen (den 17 SDGs) der UN Agenda 2030 und formuliert eine Mission sowie verschiedene Ziele, deren Einhaltung die Zukunftsfähigkeit und die Lebensqualität der Stadt für alle Menschen in Wien garantieren soll. Die Smart City Wien bekennt sich zum 1,5°-Celsius-Ziel. Gemeinsam mit Monitoring und Governance bilden die zwölf Zielbereiche das Rückgrat der Rahmenstrategie. Die einzelnen Unterziele geben Planenden Argumente für nachhaltige Lösungen in die Hand. Sechs der zwölf Zielbereiche wurden für diese Arbeit als Schnittstelle zwischen Klimaschutzzielen, nachhaltigen Entwicklungszielen und dem Wohnen ausgewählt: Partizipation, Gebäude, Energieversorgung, soziale Inklusion, Umwelt sowie Mobilität und Verkehr.Baugruppen – Partizipation als Ressource.Die Stadt Wien fördert Partizipationsprozesse und Baugruppen. In der Stadtentwicklung sind Baugruppenprojekte in Quartiersentwicklungen oder bei Bauträgerwettbewerben für kleinere Grundstücke seit einigen Jahren fest verankert. Baugruppenprojekte bergen Lebendigkeit und Strahlkraft, sie evozieren positive Entwicklungen im Stadtquartier und werden gezielt zur Stadtteil[1]entwicklung eingesetzt. Mit dem Einsatz von Ressourcen wie Zeit, Geld und Raum für die Beteiligung im Partizipations[1]prozess können im Bau oder der Sanierung sowie später in der Nutzungsphase eines Gebäudes Baumaterialien, Energiebedarf und CO2-Emis[1]sionen, aber auch Geld und Bodenfläche, ein[1]gespart werden. Aber auch außerhalb des Sektors Gebäude wird die Verringerung der Treibhaus[1]gas-Emissionen dank der sozialen Vernetzung vorangetrieben. Eigene Sharing-Plattformen für Mobilität und Gebrauchsgegenstände können beispielsweise Ergebnisse partizipativer Wohn[1]formen sein. Innerhalb der richtigen Rahmen[1]bedingungen fördern Baugruppenprojekte soziale Inklusion und tragen zur Schaffung von leistbarem Wohnraum bei.Motivation.Aus einem persönlichen Interesse für nachhaltige Entwicklungen habe ich ein Praktikum in einem Büro absolviert, welches Baugruppenprojekte, auch in Holzbauweise, realisiert. In meinem Praktikum bei einszueins architektur (September 2019 – April 2020) habe ich vier Monate am „Bauträger-wettbewerb für Baugruppen 2019“ gezeichnet. In einem gemeinsamen Projektteam bestehend aus Baugruppe, Architekturbüro, sozialer Prozessbegleitung und Bauträger wurde das Bau- und Projektkonzept namens HABITAT HIMMELTEICH für rund 30 Wohneinheiten in Essling in Wien entwickelt. Durch den persönlichen Bezug zu diesem Projekt habe ich beschlossen, die Wettbewerbsbroschüre HABITAT HIMMELTEICH als Basis für meine Diplomarbeit zu verwenden. Der partizipative Prozess der Gruppe innerhalb der 1. Stufe des Wettbewerbs wird als Fallbeispiel exemplarisch dargestellt. Diese Arbeit untersucht mithilfe der Wiener Rahmenstrategie als Schnittstelle positive Beiträge von Baugruppen zur Erfüllung der Klimaziele.Forschungsfragen und ZielDie vorliegende Diplomarbeit untersucht den Beitrag von Baugruppen zur Smart City Wien 2050 – und somit zur Erfüllung der Pariser Klimaschutzziele und der Nachhaltigen Entwicklungsziele. Das Ziel dieser Arbeit ist die Beleuchtung der positiven Beiträge von Baugruppen zur Erfüllung der ZieleMethodik und AufbauDie Methoden der Kapitel 2-4 und 6 sind Literaturrecherche und Beobachtung. Die Methoden des Kapitel 5 – Fallbeispiel sind die Mitarbeit am Projekt und Beobachtung. Climate and Housing - A History of Mutual Influence.Our planet is changing. Anthropogenic climate change causes droughts and forest fires worldwide, raises sea levels and leads to humanitarian disasters. Many countries are striving to reverse or mitigate the consequences of climate change and have set up climate alliances and agreements for this purpose. The United Nations, the European Union and Austria have formulated various goals and developed catalogs of measures to counteract the trend of global warming (climate protection goals) and to bring about sustainable and future-oriented developments (sustainable development goals). The construction industry, with the building sector as the second largest greenhouse gas emitter in Austria, is the largest source of CO2 emissions outside of the EU emissions trading, alongside the transport sector. Private households are responsible for most of the greenhouse gas emissions by providing space heating and hot water. National annual reports show that the jointly formulated and ratified climate protection goals are only inadequately met. If the maximum global warming of 1.5 ° Celsius is exceeded, global climate change is no longer reversible. Demographic change and the growth of cities require new living space. Densification, new construction and renovations offer an ideal target for changes in the construction industry with the knowledge of climatic changes and the significant influence on CO2 emissions in private households. Energy-efficient construction with the inclusion of integrated renewable energy development, resource conservation, the use of renewable raw materials and a holistic life cycle analysis are essential here. Interface - The Smart City Wien Framework Strategy 2019-2050.The framework strategy for “Smart City Wien 2050” is based on the sustainable development goals (the 17 SDGs) of the UN Agenda 2030 and formulates a mission and various goals, compliance with which should guarantee the future viability and quality of life of the city for all people in Vienna. Smart City Wien is committed to the 1.5 ° Celsius target. Together with monitoring and governance, the twelve target areas form the backbone of the framework strategy. The individual sub-goals provide planners with arguments for sustainable solutions. Six of the twelve target areas were selected for this work as an interface between climate protection goals, sustainable development goals and living: participation, buildings, energy supply, social inclusion, the environment, and mobility and transport. Assemblies - participation as a resource.The City of Vienna promotes participation processes and assemblies. In urban development, assembly projects have been firmly anchored in district developments or in property developer competitions for smaller properties for several years. Building group projects bring vitality and charisma, they evoke positive developments in the urban quarter and are used specifically for urban development. By using resources such as time, money and space for participation in the participation process, savings can be made on building materials, energy requirements and CO2 emissions, as well as money and floor space, during construction or renovation and later in the use phase of a building. But the reduction of greenhouse gas emissions is also being promoted outside the building sector thanks to social networking. Own sharing platforms for mobility and everyday objects can, for example, be the result of participatory forms of living. Within the right framework, assembly projects promote social inclusion and help create affordable housing. Motivation.Out of a personal interest in sustainable developments, I completed an internship in an office that implements assembly projects, including wood construction. In my internship at einszueins architektur (September 2019 - April 2020) I drew four months in the "Developer competition for assemblies 2019". The construction and project concept called HABITAT HIMMELTEICH for around 30 residential units in Essling in Vienna was developed in a joint project team consisting of an assembly group, architecture office, social process support and property developer. Due to the personal connection to this project, I decided to use the competition brochure HABITAT HIMMELTEICH as the basis for my diploma thesis. The participatory process of the group within the 1st stage of the competition is presented as an example. Using the Vienna framework strategy as an interface, this work examines positive contributions made by assemblies to meet the climate targets. Research questions and goalThis diploma thesis examines the contribution of assemblies to Smart City Vienna 2050 - and thus to the fulfillment of the Paris climate protection goals and the sustainable development goals. The aim of this work is to illuminate the positive contributions of assemblies to the achievement of the goals. Methodology and structureThe methods of Chapters 2-4 and 6 are literature research and observation. The methods of Chapter 5 - Case Study are collaboration on the project and observation.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Report 2021Publisher:acatech - Deutsche Akademie der Technikwissenschaften Peter, Elsner; M��ller-Kirschbaum, Thomas; Schweitzer, Katharina; Wolf, Ronja; Seiler, Elisa; D��silets, Peter; Detsch, Ralph; Dornack, Christina; Ferber, Josef; Fleck, Claudia; Fr��hling, Magnus; Hagspiel, Karl; Hahn, R��diger; Haupts, Christian; Hoffmann, Christoph; Kr��ger, P��ter; Lange, Marko; Leopold, Thorsten; L��scher, Michael; Nieders����, Peter; Ohlendorf, Tom; Pattberg, Jutta; Renner, Manfred; Schlarb, Alois K.; Schmidt, Michael; Siebert, Hartmut; Siggelkow, Bettina; Stadelmann, Simon; Thielen, Julian; Wilts, Henning; Beermann, Marina; Dieterle, Michael; Ecke, Nicholas; Klose, Svenja; Kobus, J��rn; Krause, Lars; Maletz, Roman; Marm, Alina; Kadner, Susanne;Heutige Produktions- und Konsummuster folgen weitgehend einer linearen Logik: abbauen, herstellen, konsumieren, entsorgen. Nur neun Prozent der Weltwirtschaft sind laut Circular Gap Report 2020 kreislaufgef��hrt. Doch dieses Wirtschaftsprinzip tr��gt zu einer massiven ��berschreitung der ���Planetaren Grenzen��� und damit zu einer Destabilisierung der ��kosysteme und Lebensgrundlage der Menschen bei, wie etwa des Klimasystems und der Artenvielfalt. Demzufolge wird derzeit viel ��ber einen Paradigmenwechsel in der Logik industrieller Wertsch��pfung diskutiert ��� weg von einem ressourcenintensiven hin zu einem ressourcenproduktiven, weitgehend kreislaufgef��hrten Modell. F��r das Industrie- und Exportland Deutschland ergeben sich weitreichende Chancen, schlie��lich bedeutet dieser Wechsel nicht weniger als eine Neuinterpretation des Modells ���Made in Germany���. Die Europ��ische Union und zahlreiche Mitgliedsl��nder haben bereits strategische Pl��ne f��r einen ��bergang zu einer ressourcenschonenden Wirtschaftsweise nach den Prinzipien der Circular Economy entwickelt. Auch au��erhalb von Europa folgen L��nder dieser Leitidee, beispielsweise China, Japan oder Kanada. F��r Deutschland fehlt solch ein Plan derzeit. Die Circular Economy Initiative Deutschland (CEID) hat zum Ziel, als Multi-Stakeholder-Prozess mit mehr als f��nfzig Institutionen aus Wirtschaft, Wissenschaft und Zivilgesellschaft die Grundlage f��r einen solchen Plan zu legen. In interdisziplin��ren und branchen��bergreifenden Arbeitsgruppen er��rtern rund 130 Expertinnen und Experten, wie zirkul��re Wirtschaftssysteme erm��glicht und umgesetzt werden k��nnen. Dazu untersuchen sie m��gliche Anwendungsfelder und diskutieren, welche Rahmenbedingungen zu einer erfolgreichen Umsetzung f��hren k��nnten. Die Circular Economy Initiative Deutschland definiert Ziele f��r diesen Ver��nderungsprozess und fokussiert folgende Themen: - Zirkul��re Gesch��ftsmodelle und digitale Technologien als Innovationstreiber - Neue Wertsch��pfungsnetzwerke f��r Batterien und Verpackung - Rahmenbedingungen f��r eine zirkul��re Transformation und Bemessung der volkswirtschaftlichen Circular-Economy-Potenziale Zwischen Oktober 2019 und Dezember 2020 hat die Arbeitsgruppe Verpackung der Circular Economy Initiative Deutschland ein gemeinsames Zielbild 2030 und Handlungsempfehlungen hin zu einer Kreislaufwirtschaft (CE) f��r Verpackungen entwickelt. Mit einer wertsch��pfungsketten��bergreifenden Betrachtung hat die Arbeitsgruppe Anreiz und Nutzen f��r die Kreislauff��hrung von Verpackungsmaterialien zwischen relevanten Akteuren beleuchtet und dadurch Handlungsoptionen entlang der gesamten Wertsch��pfungskette identifiziert. Damit unterst��tzen die Mitglieder die Initiierung, Umsetzung und langfristige Verankerung der Circular Economy in Deutschland und dar��ber hinaus. Mit 20 Mitgliedsorganisationen der Arbeitsgruppe ���Verpackung��� umfassen die Mitglieder Vertreterinnen und Vertreter aus f��hrenden deutschen Unternehmen, akademischen Institutionen und zivilgesellschaftlichen Vereinigungen ��ber die gesamte Wertsch��pfungskette hinweg. Damit konnte die Arbeitsgruppe ihr Ziel erreichen, eine wissenschaftlich fundierte und m��glichst ganzheitliche Betrachtung des Themas zu gew��hrleisten. Most current patterns of production and consumption follow a linear ���extract, produce, consume, dispose��� model. According to the Circular Gap Report 2020, the global economy is just 9% circular. This economic model is contributing to a massive transgression of ���planetary boundaries��� and the destabilisation of ecosystems and factors essential to human life such as the climate system and biodiversity. As a result, there is currently much discussion of a paradigm shift in the industrial value creation model, away from a resource-intensive system and towards a resource-productive, predominantly circular model. This shift offers significant opportunities for an industrialized, exporting nation like Germany ��� ultimately, it entails nothing less than a recasting of the ���Made in Germany��� model. The European Union and several of its member states have already developed strategic plans for the transition to a resource-efficient economic system based on circular economy principles. Non-European countries such as China, Japan and Canada are also following the same fundamental approach. However, Germany has yet to formulate a plan of its own. The Circular Economy Initiative Deutschland (CEID) is a multi-stakeholder initiative involving over fifty institutions from science, industry and civil society that aims to lay the foundations of a plan for Germany. In its interdisciplinary, cross-sectoral working groups, some 130 experts consider how to enable and implement circular economic models, exploring potential fields of application and discussing the conditions that could facilitate successful implementation. The Circular Economy Initiative Deutschland is developing targets for the transition, with a focus on the following themes: - Circular business models and digital technologies as drivers for innovation - New value networks for batteries and packaging - Framework conditions for a circular transformation and assessment of circularity���s economic potential Between October 2019 und December 2020, the Working Group ���Packaging��� of the Circular Economy Initiative Deutschland developed a joint target picture 2030 and recommendations for action for the establishment of a Circular Economy for packaging. With a cross-value chain approach, the Working Group highlighted incentives and benefits for the recycling of packaging materials across relevant stakeholders and thereby identified options for action along the entire value chain. With the report, the members support the initiation, implementation and long-term anchoring of the Circular Economy in Germany and beyond. The 20 members of the Working Group ���Packaging��� are experts from leading academic institutions, German businesses and civil society across the entire packaging value chain. This composition allowed the group to achieve its goal of addressing the topic as holistically as possible.
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For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Doctoral thesis , Thesis 2011Embargo end date: 17 Oct 2011 GermanyPublisher:TUHH Universitätsbibliothek Authors: Banduch, Izabela;doi: 10.15480/882.1025
Since the establishment of the activited sludge process in everyday life, we are constantly in search of new solutions to optimize the biologic process of sewage purification in a sustinable and economic way. The application of ultrasonic sound, which is investigated in this thesis, manifests itself as a qualified technique. After the influence of ultrasound an optimal morphological modification in the flake structure is achieved and the microbial activity in the activated sludge is enhaced. Furthermore, we can observe a reduction of the excess biomass by pro-rata dissolution of the activated sludge. Seit der Etablierung des Belebtschlammverfahens im Alltag ist man auf der Suche nach neuen Lösungen um den biologischen Prozess der Abwasserreinigung nachhaltig und wirtschaftlich zu optimieren. Der in dieser Arbeit untersuchte Einsatz des Ultraschalls zeigte sich als geeignete Technik. Nach der Ultraschalleinwirkung werden optimale morphologische Veränderungen in der Flockenstruktur erreicht, infolge dessen wird die mikrobielle Aktivität im Belebtschlamm gesteigert. Darüber hinaus durch Auflösung eines Teils des Belebtschlammes wird eine Verringerung der überschüssigen Biomasse beobachtet.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen 1 citations 1 popularity Average influence Average impulse Average Powered by BIP!
visibility 320visibility views 320 download downloads 540 Powered bymore_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.15480/882.1025&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 1975The germ reducing efficacy of tap water, soap, pHisoHex, pHisoDerm and 70% ethanol was compared using the model of hands artificially contaminated with E. coli. Each of ten persons washed 1, 2 or 4 minutes. Reduction factors were calculated from pre- and post-values and were compared for each individual. After one minute the logarithms of the geometric means of the reduction factors amounted to 2,99, 3,23, 3,28, 3,61, 4,25 in the above used sequence (Table 2). After one minute the reductions came off more slowly and the slopes were linear and parallel as far as the mechanical germ reducing procedures are concerned (Fig. 2). In contrast, ethanol caused a steeper slope even after one minute wash. The strong reduction achieved by mechanical procedures (even with water for one minute 3 powers of ten were observed) demonstrates the high hygienic importance of hand washings for removal of the transient flora. Detergents like pHisoDerm produce further significantly higher reductions and seem to be more suitable than aggressive disinfectants for application in fields where bactericidal action is not imperative. The proposals for procedures aiming at disinfecting of the transient flora issued by the Austrian Society for Hygiene, Microbiology and Preventive Medicine require a reduction factor of at least 10(5) after two minutes hand wash. The results of this investigation show that this is practicable with ethanol and necessary, otherwise the bactericidal action would not be different from a mechanical removal of the transient flora.
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eu25 citations 25 popularity Average influence Top 10% impulse Top 10% Powered by BIP!
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