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《Modern Chemical Industry》 2003-09
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Biodiesel production by immobilized lipase

NIE Kaili, WANG Fang, TAN Tianwei neering, Beijing University of Chemical Technology,Beijing 100029, China)  
A Candida sp.99125 lipase prepared by the authors was used to catalyze transesterification and was studied with the effects of the methanol toxicity,enzyme amount,solvent,water content,pH,temperature,reaction time and molar ratio of the substrate on the reaction,and the problem about the lifespan of the immobilized lipase was involved as well.The results show that the transesterification degree under the optimal parameters and process can reach 96%,and the halflife of the immobilized lipase can be longer than 200 h.
【Fund】: 国家高技术研究发展计划(863)项目(2002AA514030);; 国家自然科学基金(20176002);; 国家"十五"攻关项目(2001BA708B03-08);; 中石化(202059)资助项目
【CateGory Index】: TE665
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