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Biofixação de dióxido de carbono por microalgas acumuladoras de materiais graxos

Authors: Francisco, Erika Cristina, 1981-;

Biofixação de dióxido de carbono por microalgas acumuladoras de materiais graxos

Abstract

Resumo: O objetivo da dissertação foi avaliar o potencial da produto de matérias graxas por microalgas em processos de sequestro de carbono e a qualidade do biodiesel produzido pela biomassa produzida. A biomassa de microalgas foi produzida em reatores de coluna de bolhas, a partir de meios de cultivo sintéticos, nas condições de concentração celular inicial de 100mg.L-1, reator isotémico operando em temperaturas de 35°C, intensidades luminosas de 11klux e aeração contínua de 1VVM com injeção de ar contaminado com 15% dióxido de carbono. Nesta dissertação de mestrado, as espécies de microalgas descritas pela literatura como produtoras de matérias graxas foram cultivadas em condições fotossintéticas e avaliadas pelo estudo da correlação entre a produto de biomassa e a produção de biodiesel. Nesta etapa, a produção mássica das gorduras e análise qualitativa dos lipídeos produzidos das diferentes espécies foram os fatores determinantes para escolha da microalga com potencial para produção de biodiesel. Uma vez definida a espécie com maior potencial de exploração (melhores parâmetros de conversão de biomassa em materiais graxos, rendimento e produtividade), a composição dos materiais graxos foi determinada para estudo da compatibilidade ao perfil desejado para produção de biodiesel, bem como a qualidade final do biodiesel produzido para cada espécie estudada

Abstract: The objective of the dissertation was to evaluate the potential of production of greases by microalgae in processes of carbon sequestration and the quality of biodiesel produced by the biomass produced. The microalgae biomass was produced in reactors, bubble column, based on synthetic culture media, under the initial cell concentration 100mg.L-1, isothermal reactor operating at temperatures of 35 °C, light intensities of 11klux and continuous aeration of 1VVM with injection of air contaminated with 15% carbon dioxide. In this master's thesis of microalgae species described in the literature as producers of raw grease were grown under photosynthetic and evaluated by the study of the correlation between biomass production and the production of biodiesel. In this step, the mass production of fats and qualitative analysis of lipids produced from different species were the determining factors for selection of microalgae with potential for biodiesel production. After determining the species with the highest potential for exploitation (best parameters for conversion of biomass materials in acids, yield and productivity), the composition of fatty material was determined to study the compatibility of the desired profile for biodiesel production and the final quality biodiesel produced for all species

Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Química

Orientador: Telma Teixeira Franco, Eduardo Jacob Lopes

Desenvolvimento de Processos Químicos

Mestre em Engenharia Química

Mestrado

Keywords

Dióxido de carbono, Microalgas, Lipids - Biotechnology, Carbon dioxide, Ácidos graxos, Microalgae, Biodiesel, Lipídeos - Biotecnologia, Fatty acids

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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