effective acid catalyst for biodiesel production from impure raw feedstocks

Biodiesel consists of fatty acids short chain alkyl esters produced through transesterification and esterification of fats and oils. Production of biodiesel is strongly affected by the purity of raw lipids, and catalysts play important role in these processes. Although direct utilization of impure f...

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Bibliographic Details
Published in:Biotechnology and bioprocess engineering 2013, 18(2), , pp.242-247
Main Authors: Tran, Hai-Linh, Ryu, Young-Jin, Seong, Dong Ho, Lim, Sang-Min, Lee, Choul-Gyun
Format: Article
Language:English
Subjects:
Algae
Analysis
benzenesulfonic acid
biodiesel
Biodiesel fuels
Biomass
Biotechnology
Catalysts
Chemistry
Chemistry and Materials Science
Chloride
Chromatography
esterification
Esters
Fatty acids
feedstocks
free fatty acids
Glycerol
Industrial and Production Engineering
Lipids
Oils & fats
Raw materials
Research Paper
Soybean oil
Soybeans
Studies
Sulfuric acid
transesterification
Vegetable oils
생물공학
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Summary:Biodiesel consists of fatty acids short chain alkyl esters produced through transesterification and esterification of fats and oils. Production of biodiesel is strongly affected by the purity of raw lipids, and catalysts play important role in these processes. Although direct utilization of impure feedstocks is more economical, their use necessitates development of effective catalysts to overcome hindering influences of impurities. In this study, sulfuryl chloride, thionyl chloride, acetyl chloride, p-toluenesulfonic acid, benzenesulfonic acid, methanesulfonic acid, dimethylsulfate and sulfuric acid were investigated as catalysts for the production of biodiesel because acids have higher tolerance to water and free fatty acids in oils and can simultaneously catalyze both the esterification and transesterification reactions. Sulfuryl chloride was found to be an effective catalyst for production of biodiesel from soybean oil, its waste oil and microalgal lipids.
ISSN:1226-8372
1976-3816
DOI:10.1007/s12257-012-0674-1