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Bioresour Technol. 2005 Sep;96(13):1425-9. Epub 2005 Feb 17.

Preparation of biodiesel from crude oil of Pongamia pinnata.

Author information

1
Laboratory of Bioorganic Chemistry, Department of Biotechnology, Indian Institute of Technology, Madras, Chennai.

Abstract

Biodiesel was prepared from the non-edible oil of Pongamia pinnata by transesterification of the crude oil with methanol in the presence of KOH as catalyst. A maximum conversion of 92% (oil to ester) was achieved using a 1:10 molar ratio of oil to methanol at 60 degrees C. Tetrahydrofuran (THF), when used as a co-solvent increased the conversion to 95%. Solid acid catalysts viz. Hbeta-Zeolite, Montmorillonite K-10 and ZnO were also used for this transesterification. Important fuel properties of methyl esters of Pongamia oil (Biodiesel) compare well (Viscosity = 4.8 Cst @ 40 degrees C and Flash point = 150 degrees C) with ASTM and German biodiesel standards.

PMID:
15939268
DOI:
10.1016/j.biortech.2004.12.011
[Indexed for MEDLINE]

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