Lipase-catalyzed transesterification of soybean oil for biodiesel production in tert-amyl alcohol

被引：37
|
作者：
Zheng, Yan [1 ]
Quan, Jing [1 ]
Ning, Xin [2 ]
Zhu, Li-Min [1 ]
Jiang, Bo [1 ]
He, Zhi-Yan [1 ]
机构：
[1] Donghua Univ, Coll Chem Chem Engn & Biotechnol, Shanghai 201620, Peoples R China
[2] Kimberly Clark China Co Ltd, Shanghai 200001, Peoples R China
来源：
WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY | 2009年 / 25卷 / 01期
关键词：
Biodiesel; Lipase; Methanolysis; Stability; tert-Amyl alcohol; ACID METHYL-ESTERS; FUEL PRODUCTION; ORGANIC-SOLVENT; RENEWABLE OILS; OPTIMIZATION; METHANOL; WATER;
D O I：
10.1007/s11274-008-9858-4
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
Lipase-catalyzed transesterification of soybean oil and methanol for biodiesel production in tert-amyl alcohol was investigated. The effects of different organic medium, molar ratio of substrate, reaction temperature, agitation speed, lipase dosage and water content on the total conversion were systematically analyzed. Under the optimal conditions identified ( 6 mL tert-amyl alcohol, three molar ratio of methanol to oil, 2% Novozym 435 lipase based on the soybean oil weight, temperature 40 degrees C, 2% water content based on soybean oil weight, 150 rpm and 15 h), the highest biodiesel conversion yield of 97% was obtained. With tert-amyl alcohol as the reaction medium, the negative effects caused by excessive molar ratio of methanol to oil and the by-product glycerol could be reduced. Furthermore, there was no evident loss in the lipase activity even after being repeatedly used for more than 150 runs.
引用
收藏
页码：41 / 46
页数：6
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