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Energy Sources, Part A: Recovery, Utilization, and Environmental Effects Volume 34, 2012 - Issue 21
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Original Articles

The Solid Acid Catalyzed Esterification of Free Fatty Acids in Pongamia Pinnata Oil

K. V. Thiruvengadaravi Department of Chemistry, Velammal Engineering College, Chennai, India
,
J. Nanadagopal Department of Chemistry, Velammal Engineering College, Chennai, India
,
V. Sathya Selva Bala Department of Chemical Engineering, AC College of Technology, Anna University, Chennai, India
,
S. Dinesh Kirupha Department of Chemical Engineering, AC College of Technology, Anna University, Chennai, India
,
P. Vijayalakshmi Department of Chemical Engineering, AC College of Technology, Anna University, Chennai, India
&
S. Sivanesan Department of Chemical Engineering, AC College of Technology, Anna University, Chennai, India
Pages 2016-2022 | Received 12 Mar 2010, Accepted 09 Apr 2010, Published online: 04 Sep 2012
 
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Abstract

Esterification of free fatty acids in Pongamia pinnata oil has been carried out using two different zeolites. Classical optimization of reaction parameters were carried out with H-ZSM 5 and H-Y zeolites. Based on the experimental results, a methanol to oil ratio of 9:1, with 1% by weight catalyst, a reaction time of 1 h and temperature 60°C were selected as the optimum for the esterification reaction. Kinetic studies were undertaken and the reaction was found to fit a pseudo first order kinetics.

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