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OPTIMIZATION AND REACTION KINETICS OF IN-SITU TRANSESTERIFICATION OF JATROPHA CURCAS SEEDS

RABANINGRUM, NUNUNG P (2014) OPTIMIZATION AND REACTION KINETICS OF IN-SITU TRANSESTERIFICATION OF JATROPHA CURCAS SEEDS. PhD thesis, Universiti Teknologi PETRONAS.

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Abstract

Minimizing the cost of raw materials and the cost of processing is the key to make biodiesel technology competitive. Use of a non-edible oil such as Jatropha curcas oil can be cheaper option; in-situ transesterification of oil seeds can reduce the processing costs of oil recovery. In-situ alkaline transesterification of Jatropha curcas oil seeds with methanol, isopropanol and the mixture of methanol with isopropanol were explored in a stirred tank reactor. Optimum operating conditions were established through response surface methodology for promising options. Inspite of higher solubility of oil in isopropanol, in-situ alkaline transesterification of Jatropha curcas oil seeds with methanol was observed to be better with a yield of (90.45  0.25)%. Mixing methanol with isopropanol could enhance the yield of methyl-isopropyl ester yield of (94.78  0.29)%. The properties of methyl-isopropyl ester were similar to the properties of methyl ester which were in agreement with the standards of EN 14214 and ASTM D6751.

Item Type: Thesis (PhD)
Academic Subject : Academic Department - Chemical Engineering - Separation Process
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Ahmad Suhairi Mohamed Lazim
Date Deposited: 22 Jun 2015 11:46
Last Modified: 25 Jan 2017 09:36
URI: http://utpedia.utp.edu.my/id/eprint/15434

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