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Conflict of Interest: In relation to this article, we declare that there is no conflict of interest.

Publication history: Received May 9, 2015
Accepted September 24, 2015

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Biodiesel production from palm oil using a non-catalyzed supercritical process

Seok-Hwan Park¹ Jae-Hee Park¹ Sriramulu Gobikrishnan^{1 2} Gwi-Taek Jeong^3† Don-Hee Park^{1 4†}

¹Interdisciplinary Program of Graduate School for Bioenergy and Biomaterials, Chonnam National University, Gwangju 500-757, Korea ²Department of Biotechnology, Karunya University, Coimbatore 641 114, India ³Department of Biotechnology, Pukyong National University, Busan 608-737, Korea ⁴Department of Biotechnology and Bioengineering, Chonnam National University, Gwangju 500-757, Korea

gtjeong@pknu.ac.kr

Korean Journal of Chemical Engineering, November 2015, 32(11), 2290-2294(5), 10.1007/s11814-015-0203-y

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Abstract

The effects of free fatty acid (FFA) and moisture contents in palm oil, as well as working volume ratio on the production of biodiesel (fatty acid methyl esters; FAMEs), were investigated using palm oil and a non-catalytic supercritical process. FAME content obtained using anhydrous palm oil was 95.8% during the non-catalytic supercritical process. FAME content produced with 15% moisture content and 15% FFA content was 94.4% and 95.1% respectively, which was similar to that of anhydrous palm oil with no FFA. The non-catalytic supercritical process was not affected by FFA or moisture content in oil. By increasing working volume ratio, reaction temperature decreased from 340 oC to 260 oC at the same pressure, whereas FAME content increased from 69.9% to 95.5%.

Keywords

Biodiesel Production Non-catalytic Supercritical Process Palm Oil

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