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Catalytic transesterification of crude rapeseed oil by liquid organic amine and co-catalyst in supercritical methanol

Paper ID Volume ID Publish Year Pages File Format Full-Text
52324 46869 2007 5 PDF Available
Title
Catalytic transesterification of crude rapeseed oil by liquid organic amine and co-catalyst in supercritical methanol
Abstract

Liquid organic amines, Ethylenediamine (EDA), Diethylamine (DEA) or Triethylamine (TEA), could speed up the production of methyl ester from crude rapeseed oil in supercritical methanol. The order of the catalytic activity was EDA > DEA > TEA. Acyl amine appeared in the products when EDA or DEA was used as the catalyst; however, this phenomenon didn’t occur when TEA was used. With Propylene oxide as the co-catalyst, the catalytic activity of TEA was greatly improved. In 10 min, the yield of methyl ester could reach 89.5%, which was seven times faster than that without the co-catalyst. Optimum molar ratio of methanol to crude rapeseed oil should not be lower than 24:1.

Keywords
Crude rapeseed oil; Transesterification; Methyl ester; Liquid organic amine; Co-catalyst; Supercritical methanol
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 8, Issue 10, October 2007, Pages 1511–1515
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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Any Questions? feel free to contact us