Kinetic model for the esterification of oleic acid catalyzed by zinc acetate in subcritical methanol

Chengcai Song, Yongqin Qi, Tiansheng Deng, Xianglin Hou and Zhangfeng Qin

Renewable Energy, 2010, vol. 35, issue 3, 625-628

Abstract: The esterification of oleic acid in subcritical methanol catalyzed by zinc acetate was investigated in a batch-type autoclave. The effect of reaction conditions such as temperature, pressure, reaction time and molar ratio of oleic acid to methanol on the esterification was examined. The oleic acid conversion reached 95.0% under 220°C and 6.0MPa with the molar ratio of methanol to oleic acid being 4 and 1.0wt% zinc acetate as catalyst. A kinetic model for the esterification was established. By fitting the kinetic model with the experimental results, the reaction order n=2.2 and activation energy Ea=32.62KJ/mol were obtained.

Keywords: Kinetic model; Esterification; Oleic acid; Methanol; Subcritical; Zinc acetate (search for similar items in EconPapers)
Date: 2010
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:35:y:2010:i:3:p:625-628

DOI: 10.1016/j.renene.2009.08.004

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