| One-step enzymatic production of fatty acid ethyl ester from high-acidity waste feedstocks in solvent-free media. | |
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MedLine Citation:
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PMID: 21880484 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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This work aims to demonstrate the enzymatic production of fatty acid ethyl ester biodiesel from highly acidic feedstock in a single-step reaction, without co-solvents and avoiding the inhibition of the enzyme by ethanol and glycerol. Additionally, an empirical equation is proposed to predict the kinetics of the production reaction as a function of the used feedstock and catalyst concentration. Biodiesel production from highly acidic feedstock perform via simultaneous esterification of free fatty acids and transesterification of triacylglycerols. Enzymatic catalysis is one of the most promising alternative technologies for the biodiesel production. Increasing of the enzymatic bioactivity is crucial for the success of such process in industrial scale. Currently, stepwise addition of the alcohol or the use of co-solvents have been proposed to avoid enzyme inhibition, such strategies add downstream processes to the production. These results can be applied to the development economical-viable enzymatic production of biodiesel in industrial scale. |
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Authors:
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Ilvania C Véras; Frederico A L Silva; Astria D Ferrão-Gonzales; Vitor Hugo Moreau |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-8-10 |
Journal Detail:
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Title: Bioresource technology Volume: - ISSN: 1873-2976 ISO Abbreviation: - Publication Date: 2011 Aug |
Date Detail:
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Created Date: 2011-9-1 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9889523 Medline TA: Bioresour Technol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier Ltd. All rights reserved. |
Affiliation:
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Departamento de Biointeração - ICS - Universidade Federal da Bahia (UFBA), Salvador, BA, Brazil. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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