Synthesis of biodiesel using supercritical methanol

Title
Synthesis of biodiesel using supercritical methanol
Authors
이홍식유성진김재훈김재덕이윤우
Issue Date
2009-05
Publisher
9th International Symposium on Supercritical Fluids
Abstract
In this study, the synthesis of biodiesel fuel in supercritical methanol was investigated. As reaction temperature, reaction pressure and molar ratio of methanol to oil increased, the content of FAMEs increased. When the reaction temperature exceeded 350oC, the content of FAMEs decreased due to thermal decomposition. The decrease of FAMEs was more severe when the degree of unsaturation of vegetable oil was higher. From kinetic study and economic potential analysis, it was concluded that supercritical methanol process is more economical than conventional process because of simple separation process. Moreover, using heterogeneous catalysts could achieve milder reaction conditions without losing advantages of supercritical methanol process.
URI
http://pubs.kist.re.kr/handle/201004/35284
Appears in Collections:
KIST Publication > Conference Paper
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