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Online ISSN: 2278-1404

International Journal of Fundamental and Applied Sciences

A review on glycerol purification consequent to its formation as a byproduct in biodiesel manufacture by trans-esterification process of fats


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Year 2017 Vol 6 Issue 1
Document Type : ORIGINAL ARTICLE
1Chaitrali Ketkale, 2Medhaa Shankar, 3Varsha Suresh, 4Kavitha S H
1Department of Biotechnology, PES Institute of Technology, Bengaluru-560085, Karnataka, India
2Department of Biotechnology, PES Institute of Technology, Bengaluru-560085, Karnataka, India
3Department of Biotechnology, PES Institute of Technology, Bengaluru-560085, Karnataka, India
4Department of Biotechnology, PES Institute of Technology, Bengaluru-560085, Karnataka, India
Abstract
Production of biodiesel is becoming popular for its obvious reasons. Tranesterification technology is till date the main method to get fatty acid methyl esters or biodiesel.
Glycerol formed as a byproduct in transesterification could be utilized after freeing it from contaminants.
This short review provides critical and essential process parameters firstly to have pure biodiesel product and more particularly to get pure glycerol byproduct, both being used in their purer forms for different purposes. The work of several workers suggests that glycerol washing as a focus comprise raw glycerol being treated with a few physicochemical processes and enhance its purity to as high as over 95% which since from commercial angle is a good achievement.

Keywords
Glycerol washing, purity, biodiesel, recovery, solvents, physico-chemical processes
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