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Simultaneous Conversion of Triglyceride/Free Fatty Acid Mixtures into Biodiesel using Sulfated Zirconia

Lookup NU author(s): Professor Adam Harvey, Dussadee Rattanaphra

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Abstract

Simultaneous transesterification and esterification of rapeseed oil with methanol in the presence of myristic acid was investigated. The effect of reaction temperature (120, 150 and 170 °C) and the effect of initial free fatty acid content in oil (0, 10 and 20 wt%) on reaction rate were studied. The catalysts were found to increase the rate of all reactions. Sulfated zirconia prepared by a solvent-free method exhibited higher activity in simultaneous reaction than the conventional method. The presence of 10 wt% free fatty acids in the triglyceride increased the reaction rate and the final total fatty acid methyl esters content, and suggests that a “non-catalytic” reaction may be feasible.

Publication metadata

Author(s): Harvey AP, Rattanaphra D, Srinophakun P

Publication type: Article

Publication status: Published

Journal: Topics in Catalysis

Year: 2010

Volume: 53

Issue: 11-12

Pages: 773-782

Print publication date: 25/03/2010

Date deposited: 09/11/2010

ISSN (print): 1022-5528

ISSN (electronic): 1572-9028

Publisher: Springer New York LLC

URL: http://dx.doi.org/10.1007/s11244-010-9463-2

DOI: 10.1007/s11244-010-9463-2

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