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description Publicationkeyboard_double_arrow_right Article , Journal 2016 AustraliaPublisher:Elsevier BV Authors:Bai, Xue;
Bai, Xue
Bai, Xue in OpenAIRELant, Paul A.;
Lant, Paul A.
Lant, Paul A. in OpenAIREJensen, Paul D.;
Jensen, Paul D.
Jensen, Paul D. in OpenAIREAstals, Sergi;
+1 AuthorsAstals, Sergi
Astals, Sergi in OpenAIREBai, Xue;
Bai, Xue
Bai, Xue in OpenAIRELant, Paul A.;
Lant, Paul A.
Lant, Paul A. in OpenAIREJensen, Paul D.;
Jensen, Paul D.
Jensen, Paul D. in OpenAIREAstals, Sergi;
Astals, Sergi
Astals, Sergi in OpenAIREPratt, Steven;
Pratt, Steven
Pratt, Steven in OpenAIREThe methane yield from the digestion of algae is typically much lower than the theoretical methane yield, and lower than yields reported for other organic substrates. This study presents a novel free nitrous acid (FNA) pre-treatment technique to improve methane production from algal biomass. The methane production yield through anaerobic digestion was found to be dramatically enhanced by FNA pre-treatment (2.31 mg HNO2–N L−1), with a 51% increase in the methane yield (from 161 to 250 L CH4 per kg VS added). A two substrate model was used to describe the apparent presence of rapid and slowly degradable material. Model-based analysis revealed that with FNA pre-treatment (2.31 mg HNO2–N L−1), the availability of both rapid and slowly biodegradable substrates were increased. Higher levels of nitrite (159 and 1006 mg N L−1) had an inhibitory/toxic effect. For this reason, coupled with the fact that denitrification of nitrite consumes organic substrate, it is concluded that pre-treatment liquor should be removed before digestion.
Renewable Energy arrow_drop_down The University of Queensland: UQ eSpaceArticle . 2016Data sources: Bielefeld Academic Search Engine (BASE)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=10.1016/j.renene.2015.11.054&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu36 citations 36 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!
more_vert Renewable Energy arrow_drop_down The University of Queensland: UQ eSpaceArticle . 2016Data sources: Bielefeld Academic Search Engine (BASE)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=10.1016/j.renene.2015.11.054&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2018 AustraliaPublisher:Elsevier BV Funded by:ARC | Stabilisation of algal bi...ARC| Stabilisation of algal biomass harvested from coal seam gas associated water to generate a renewable, high nutrient resourceAuthors:González-González, Lina María;
González-González, Lina María
González-González, Lina María in OpenAIRECorrea, Diego F.;
Ryan, Stephen;Correa, Diego F.
Correa, Diego F. in OpenAIREJensen, Paul D.;
+2 AuthorsJensen, Paul D.
Jensen, Paul D. in OpenAIREGonzález-González, Lina María;
González-González, Lina María
González-González, Lina María in OpenAIRECorrea, Diego F.;
Ryan, Stephen;Correa, Diego F.
Correa, Diego F. in OpenAIREJensen, Paul D.;
Jensen, Paul D.
Jensen, Paul D. in OpenAIREPratt, Steven;
Schenk, Peer M.;Pratt, Steven
Pratt, Steven in OpenAIREAbstract The sustainable, efficient production of biofuel can lead to reductions in greenhouse gas emissions, lowered climate change impact and increased security owing to the fulfilment of global energy demands. Microalgae have been shown as an attractive feedstock for renewable fuel production, such as biodiesel and biogas. To date, more effort has been put towards the production of biodiesel using the lipid contents in algal cells, while less attention has been placed on biogas production through anaerobic digestion. However, anaerobic digestion has the potential to generate energy from waste residues and to mobilize nutrients enabling subsequent recovery and/or recycling. Therefore, anaerobic digestion is an area with strong potential for novel research focusing on the development of a sustainable integrated system of biodiesel and biogas production. The result is essentially a solar power plant, producing fuel with minimal inputs and a closed nutrient loop, a necessity for sustainable and cost-efficient production of biofuel. In this review we discuss relevant studies on biodiesel and biomethane production, including the potential improvements and advantages when using an integrated approach for biodiesel and biogas production with special focus on nutrient recycling.
Renewable and Sustai... arrow_drop_down Renewable and Sustainable Energy ReviewsArticle . 2018 . Peer-reviewedLicense: Elsevier TDMData sources: CrossrefThe University of Queensland: UQ eSpaceArticle . 2017Data sources: Bielefeld Academic Search Engine (BASE)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=10.1016/j.rser.2017.09.091&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu87 citations 87 popularity Top 1% influence Top 10% impulse Top 1% Powered by BIP!
more_vert Renewable and Sustai... arrow_drop_down Renewable and Sustainable Energy ReviewsArticle . 2018 . Peer-reviewedLicense: Elsevier TDMData sources: CrossrefThe University of Queensland: UQ eSpaceArticle . 2017Data sources: Bielefeld Academic Search Engine (BASE)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=10.1016/j.rser.2017.09.091&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2010 AustraliaPublisher:Elsevier BV Authors: Morgan-Sagastume, Fernando; Karlsson, Anton; Johansson, Peter;Pratt, Steven;
+3 AuthorsPratt, Steven
Pratt, Steven in OpenAIREMorgan-Sagastume, Fernando; Karlsson, Anton; Johansson, Peter;Pratt, Steven;
Pratt, Steven
Pratt, Steven in OpenAIREBoon, Nico;
Boon, Nico
Boon, Nico in OpenAIRELant, Paul;
Werker, Alan;Lant, Paul
Lant, Paul in OpenAIREpmid: 20638096
In this study, the production of polyhydroxyalkanoates (PHAs) from waste activated sludge (WAS) was evaluated. PHAs were produced from fermented WAS pretreated via high-pressure thermal hydrolysis, a stream characterised by high levels of nutrients (approximately 3.5 g N L(-1) and 0.5 g P L(-1)) and soluble organics. PHA-storing organisms were successfully enriched at high organic loading rates (6 g COD(sol) L(-1) d(-1)) under aerobic dynamic feeding in sequencing batch reactors at a sludge retention time of 6 d with a short feast length less than 20% of the cycle, and a maximum substrate concentration during feast of 1 g COD(VFA) L(-1). The biomass enrichment, characterised by a decrease in species evenness based on Lorenz curves, provided a biomass that accumulated 25% PHA on a dry-biomass basis with yields on VFA of 0.4 Cmol Cmol(-1) in batch tests. The PHA consisted of ∼70 mol% 3-hydroxybutyrate and ∼30 mol% 3-hydroxyvalerate, and presented high thermal stability (T(d) = 283-287 °C) and a molecular mass ranging from 0.7 to 1.0 × 10(6) g mol(-1). Overall PHA storage was comparable to that achieved with other complex substrates; however, lower PHA storage rates (0.04-0.05 Cmol PHA(-1) Cmol X(-1) h(-1)) and productivities (3-4 Cmol PHA L(-1) h(-1)) were probably associated with a biomass-growth and high-respiration response induced by high levels of non-VFA organics (40-50% of COD(sol) in feed) and nutrients. PHA production is feasible from pretreated WAS, but the enrichment and accumulation process require further optimisation. A milder WAS pretreatment yielding lower levels of non-VFA organics and readily available nutrients may be more amenable for improved performance.
Water Research arrow_drop_down The University of Queensland: UQ eSpaceArticle . 2010Data sources: Bielefeld Academic Search Engine (BASE)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=10.1016/j.watres.2010.06.043&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu145 citations 145 popularity Top 1% influence Top 10% impulse Top 10% Powered by BIP!
more_vert Water Research arrow_drop_down The University of Queensland: UQ eSpaceArticle . 2010Data sources: Bielefeld Academic Search Engine (BASE)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=10.1016/j.watres.2010.06.043&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2015 AustraliaPublisher:Elsevier BV Authors:Bai, Xue;
Bai, Xue
Bai, Xue in OpenAIRESchenk, Peer M.;
Schenk, Peer M.
Schenk, Peer M. in OpenAIREYuan, Zhiguo;
Yuan, Zhiguo
Yuan, Zhiguo in OpenAIRELant, Paul A.;
+1 AuthorsLant, Paul A.
Lant, Paul A. in OpenAIREBai, Xue;
Bai, Xue
Bai, Xue in OpenAIRESchenk, Peer M.;
Schenk, Peer M.
Schenk, Peer M. in OpenAIREYuan, Zhiguo;
Yuan, Zhiguo
Yuan, Zhiguo in OpenAIRELant, Paul A.;
Lant, Paul A.
Lant, Paul A. in OpenAIREPratt, Steven;
Pratt, Steven
Pratt, Steven in OpenAIREAbstract Triacylglyceride (TAG) recovery from algal biomass is primarily limited by the rigid algal cell envelope (cell wall and cell membrane). In this work, the effect of free nitrous acid (FNA) pre-treatment on TAG recovery from algal biomass with six different FNA concentrations is reported. Results show that at a range of low FNA concentrations (0.24–2.25 mg HNO2–N L−1) TAG recovery was strongly enhanced with increasing FNA concentration. An FNA concentration of around 2 mg HNO2–N L−1 resulted in a 3.3-fold increase in fatty acid recovery over untreated algae, but higher FNA concentrations (13.49 and 26.98 mg HNO2–N L−1) were detrimental to TAG recovery. Analysis of the fatty acid profile revealed that the higher FNA concentrations caused a reduction in polyunsaturated fatty acids. Also, the ratio of extracted fatty acids to total lipids was significantly reduced when high FNA concentration were applied, and only non-fatty acid lipids potentially benefited from more intense FNA pre-treatments.
Applied Energy arrow_drop_down The University of Queensland: UQ eSpaceArticle . 2015Data sources: Bielefeld Academic Search Engine (BASE)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=10.1016/j.apenergy.2015.04.045&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu9 citations 9 popularity Top 10% influence Average impulse Average Powered by BIP!
more_vert Applied Energy arrow_drop_down The University of Queensland: UQ eSpaceArticle . 2015Data sources: Bielefeld Academic Search Engine (BASE)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=10.1016/j.apenergy.2015.04.045&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2004 AustraliaPublisher:Wiley Authors:Steven Pratt;
Steven Pratt;Steven Pratt
Steven Pratt in OpenAIREJurg Keller;
Jurg Keller
Jurg Keller in OpenAIREZhiguo Yuan;
Zhiguo Yuan
Zhiguo Yuan in OpenAIREdoi: 10.1002/bit.20199
pmid: 15449301
AbstractA method for detailed investigation of aerobic carbon degradation processes by microorganisms is presented. The method relies on an integrated use of the respirometric, titrimetric, and off‐gas CO2 measurements. The oxygen uptake rate (OUR), hydrogen ion production rate (HPR), and the carbon dioxide transfer rate (CTR) resulting from the biological as well as physicochemical processes, coupled with a metabolic model characterizing both the growth and carbon storage processes, enables the comprehensive study of the carbon degradation processes. The method allows the formation of carbon storage products and the biomass growth rates to be estimated without requiring any off‐line biomass or liquid‐phase measurements, although the practical identifiability of the system could be improved with additional measurements. Furthermore, the combined yield for biomass growth and carbon storage is identifiable, along with the affinity constant with respect to the carbon substrate. However, the individual yields for growth and carbon storage are not identifiable without further knowledge about the metabolic pathways employed by the microorganisms in the carbon conversion. This is true even when more process variables are measured. The method is applied to the aerobic carbon substrate degradation by a full‐scale sludge using acetate as an example carbon source. The sludge was able to quickly take up the substrate and store it as poly‐β‐hydroxybutyrate (PHB). The PHB formation rate was a few times faster than the biomass growth rate, which was confirmed by off‐line liquid‐ and solid‐phase analysis. The estimated combined yield for biomass growth and carbon storage compared closely to that determined from the theoretical yields reported in literature based on thermodynamics. This suggests that the theoretical yields may be used as default parameters for modeling purposes. © 2004 Wiley Periodicals, Inc.
Biotechnology and Bi... arrow_drop_down Biotechnology and BioengineeringArticle . 2004 . Peer-reviewedLicense: Wiley Online Library User AgreementData sources: CrossrefThe University of Queensland: UQ eSpaceArticle . 2004Data sources: Bielefeld Academic Search Engine (BASE)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=10.1002/bit.20199&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu61 citations 61 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!
more_vert Biotechnology and Bi... arrow_drop_down Biotechnology and BioengineeringArticle . 2004 . Peer-reviewedLicense: Wiley Online Library User AgreementData sources: CrossrefThe University of Queensland: UQ eSpaceArticle . 2004Data sources: Bielefeld Academic Search Engine (BASE)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=10.1002/bit.20199&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2014 AustraliaPublisher:Elsevier BV Authors:Xue Bai;
Forough Ghasemi Naghdi;Liu Ye;
Paul Lant;
+1 AuthorsPaul Lant
Paul Lant in OpenAIREXue Bai;
Forough Ghasemi Naghdi;Liu Ye;
Paul Lant;
Paul Lant
Paul Lant in OpenAIRESteven Pratt;
Steven Pratt
Steven Pratt in OpenAIREpmid: 24632439
Lipid extraction has been identified as a major bottleneck for large-scale algal biodiesel production. In this work free nitrous acid (FNA) is presented as an effective and low cost pretreatment to enhance lipid recovery from algae. Two batch tests, with a range of FNA additions, were conducted to disrupt algal cells prior to lipid extraction by organic solvents. Total accessible lipid content was quantified by the Bligh and Dyer method, and was found to increase with pretreatment time (up to 48 h) and FNA concentration (up to 2.19 mg HNO2-N/L). Hexane extraction was used to study industrially accessible lipids. The mass transfer coefficient (k) for lipid extraction using hexane from algae treated with 2.19 mg HNO2-N/L FNA was found to be dramatically higher than for extraction from untreated algae. Consistent with extraction results, cell disruption analysis indicated the disruption of the cell membrane barrier.
Bioresource Technolo... arrow_drop_down The University of Queensland: UQ eSpaceArticle . 2014Data sources: Bielefeld Academic Search Engine (BASE)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=10.1016/j.biortech.2014.01.133&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu58 citations 58 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!
more_vert Bioresource Technolo... arrow_drop_down The University of Queensland: UQ eSpaceArticle . 2014Data sources: Bielefeld Academic Search Engine (BASE)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=10.1016/j.biortech.2014.01.133&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2020 AustraliaPublisher:Elsevier BV Authors:Nuno Batalha;
M. D. Hasan; M. D. Hasan;Nuno Batalha
Nuno Batalha in OpenAIREQinghong Yuan;
+6 AuthorsQinghong Yuan
Qinghong Yuan in OpenAIRENuno Batalha;
M. D. Hasan; M. D. Hasan;Nuno Batalha
Nuno Batalha in OpenAIREQinghong Yuan;
Qinghong Yuan;Qinghong Yuan
Qinghong Yuan in OpenAIREGabriel Fraga;
Gabriel Fraga
Gabriel Fraga in OpenAIREBronwyn Laycock;
Yuling Yin;Bronwyn Laycock
Bronwyn Laycock in OpenAIRESteven Pratt;
Muxina Konarova;Steven Pratt
Steven Pratt in OpenAIREAbstract Polycyclic hydrocarbons are known to be efficient hydrogen carriers capable of yielding high purity H2 upon dehydrogenation. Due to their high hydrogen density, high boiling point, and stability, these compounds demonstrate the potential to be used as hydrogen donors under catalytic transfer hydrogenation (CTH) conditions. In this work, the potential of a suite of hydrogen carriers to donate hydrogen, as well as the mechanisms affecting their hydrogen transfer, are assessed through the CTH of guaiacol, on Pd/Al2O3, as a model system. The results indicated the following descending order of transfer hydrogenation rate: bicyclohexyl > tetralin » hydrogenated terphenyl (HTP) > cyclohexylbenzene. Among the products, cyclohexanone and phenol are the most abundant, directly resulting from CTH. Detailed analysis of the hydrogen carrier conversion and selectivity clearly shows that the potential for CTH is highly linked to the molecular structure of the donor, rather than the amount of hydrogen available for transfer. A density functional theory (DFT) study, supported by experimental data, reveals that when unsaturated hydrocarbons are utilized, such as tetralin, cyclohexylbenzene, and HTP, the effective CTH rate to guaiacol is limited, despite dehydrogenation being more favorable for those molecules than from fully saturated donors, such as bicyclohexyl.
International Journa... arrow_drop_down International Journal of Hydrogen EnergyArticle . 2020 . Peer-reviewedLicense: Elsevier TDMData sources: CrossrefQueensland University of Technology: QUT ePrintsArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)The University of Queensland: UQ eSpaceArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)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=10.1016/j.ijhydene.2020.07.136&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu18 citations 18 popularity Top 10% influence Average impulse Top 10% Powered by BIP!
more_vert International Journa... arrow_drop_down International Journal of Hydrogen EnergyArticle . 2020 . Peer-reviewedLicense: Elsevier TDMData sources: CrossrefQueensland University of Technology: QUT ePrintsArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)The University of Queensland: UQ eSpaceArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)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=10.1016/j.ijhydene.2020.07.136&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2010 AustraliaPublisher:Elsevier BV Authors: Arcos-Hernandez, Mónica V.; Gurieff, Nicholas;Pratt, Steven;
Magnusson, Per; +3 AuthorsPratt, Steven
Pratt, Steven in OpenAIREArcos-Hernandez, Mónica V.; Gurieff, Nicholas;Pratt, Steven;
Magnusson, Per; Werker, Alan;Pratt, Steven
Pratt, Steven in OpenAIREVargas, Alejandro;
Vargas, Alejandro
Vargas, Alejandro in OpenAIRELant, Paul;
Lant, Paul
Lant, Paul in OpenAIREpmid: 20851154
Fourier transform infrared (FT-IR) spectroscopy is proposed for a method for rapid quantification of polyhydroxyalkanoates (PHA) in mixed culture bacterial systems. Spectra from 122 samples from a wide range of PHA production systems were studied. The spectra were collected in a library that was used to calibrate a partial least squares (PLS) model linking FT-IR spectra with PHA content in the biomass. The library of spectra contained samples with a range of total PHA content (0.03-0.58 w/w) as well as varying compositions (poly-(3-hydroxyvalerate) (3HV) content of 0-63% in Cmol basis). A robust PLS model was developed using calibration data from a diverse range of systems and PHA content. Coupling this model with FT-IR spectra has been shown to be applicable for predicting PHA content in mixed culture production systems. The method was used to reliably determine PHA content in biomass from a new, independent PHA production system with a standard error of prediction (RMSEP) value of 0.023 w/w, despite the complexity of the matrices. This method reduces the analytical time for PHA quantification down to under 30 min (5 min handling time was achieved when FT-IR equipment was immediately available), and eliminates hazardous waste by-products. The work has demonstrated a level of accuracy and reproducibility in quantifying PHA in mixed culture systems similar to that obtained from the GC analytical technique. Further work is required to enable the use of the method to analyze crystallinity related factors that may be useful towards quantifying poly-(3-hydroxybutyrate) and poly-(3-hydroxyvalerate) (3HB/3HV) composition. The method has been shown to be suitable for rapid quantification in large scale applications and in its present form is reliable for routine process monitoring.
Journal of Biotechno... arrow_drop_down The University of Queensland: UQ eSpaceArticle . 2010Data sources: Bielefeld Academic Search Engine (BASE)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=10.1016/j.jbiotec.2010.09.939&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu69 citations 69 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!
more_vert Journal of Biotechno... arrow_drop_down The University of Queensland: UQ eSpaceArticle . 2010Data sources: Bielefeld Academic Search Engine (BASE)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=10.1016/j.jbiotec.2010.09.939&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu