Lipase-catalyzed synthesis of biodiesel in a hydroxyl-functionalized ionic liquid
作者： Yunchang Fan , Xin Wang , Lina Zhang , Jing Li , Lei Yang
DOI: 10.1016/J.CHERD.2018.01.020
关键词: Yield (chemistry) 、 Ionic liquid 、 Biodiesel 、 Methanol 、 Lipase 、 Nuclear chemistry 、 Chemistry 、 Catalysis 、 Biodiesel production 、 Soybean oil 、 General chemistry 、 General Chemical Engineering
摘要: Abstract In this work, the biodiesel production from soybean oil catalyzed by lipase in a hydroxyl-functionalized ionic liquid (IL), N-methyl-N-propanolpyrrolidinium bis(trifluoromethanesulphonyl)imide ([C1C3OHPyr]NTf2), was investigated. Compared with conventional solvents (n-hexane and tert-butanol) dialkyl-based ILs, use of [C1C3OHPyr]NTf2 as reaction medium significantly improved yield. The yield greatly affected dosages IL, water enzyme, time, temperature methanol/oil molar ratio. IL phase enzyme could be recycled washing acetone respectively at end reaction. catalytic performance recovered decreased due to blocking active sites impurities, nevertheless, high obtained for via prolonging time 2 h 6 h.
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