Use of a Whole-Cell Biocatalyst to Produce Biodiesel in a Water-Containing

Whole-cell biocatalyst used to produce biodiesel in a water-containing system was investigated. Commercial biodiesel was produced by reacting a fat or oil with methanol in the presence of an alkali catalyst. Both alkali and acid catalytic methods required the use of excess methanol, which needed to...

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Bibliographic Details
Published in:	Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering Vol. 44; no. 1; p. 21
Main Authors:	Jin, Guang, Bierma, Thomas J, Hamaker, Christopher G, Mucha, Raymond, Schola, Valeria, Stewart, Jeb, Wade, Caroline
Format:	Journal Article
Language:	English
Published:	01-01-2009
Online Access:	Get full text
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Summary:	Whole-cell biocatalyst used to produce biodiesel in a water-containing system was investigated. Commercial biodiesel was produced by reacting a fat or oil with methanol in the presence of an alkali catalyst. Both alkali and acid catalytic methods required the use of excess methanol, which needed to be recovered and produced salts to be removed from the product. The results showed that a single methanol dose or a lack of water produced a very poor yield, thus stepwise addition of methanol and 15 percent buffer content were superior. It was concluded that whole-cell biocatalysts were able to transesterify waste oils or greases that were high in free fatty acids (FFA) and contained water.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 content type line 23 ObjectType-Feature-1
ISSN:	1093-4529