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Issue 8, 2007
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Extraction of glycerol from biodiesel into a eutectic based ionic liquid

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Abstract

A Lewis basic mixture of quaternary ammonium salts with glycerol has been used to extract excess glycerol from biodiesel formed from the reaction of triglycerides with ethanol in the presence of KOH. The effect of the cation on the partition coefficient of glycerol was determined, together with the time taken for the systems to reach equilibrium. Protocols were also investigated for the separation of glycerol from the quaternary ammonium salt mixtures.

Graphical abstract: Extraction of glycerol from biodiesel into a eutectic based ionic liquid

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Article information


Submitted
23 Feb 2007
Accepted
27 Mar 2007
First published
19 Apr 2007

Green Chem., 2007,9, 868-872
Article type
Paper

Extraction of glycerol from biodiesel into a eutectic based ionic liquid

A. P. Abbott, P. M. Cullis, M. J. Gibson, R. C. Harris and E. Raven, Green Chem., 2007, 9, 868
DOI: 10.1039/B702833D

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