Biodiesel production from soybean oil by quaternized polysulfone alkali-catalyzed membrane

Bioresource Technology
Wenying ShiQiyun Du

Abstract

A series of alkalized polysulfones (APSF) were synthesized by several chemical reactions (chloromethylation, quaternization and alkalization). Among these reactions, chloromethylation and quaternization are two key reactions and have been studied in detail regarding the optimization of both chloromethylation and quaternization. FTIR and (1)H NMR spectrum confirmed the successful preparation of chloromethylated polysulfone. The best IEC of APSF was obtained for 1.68meqg(-1) under reaction time of 10h and reaction temperature of 45°C. The APSF membrane as a heterogeneous catalyst for the transesterification of soybean oil with methanol was prepared through the method of solvent evaporation phase inversion. The effects of co-solvent types, mass ratios of soybean oil/co-solvent, water content and free fatty acids (FFAs) content in soybean oil on the conversions using the APSF membrane during transesterification were studied. The reusability of the APSF membrane and the kinetics of the reaction catalyzed by the APSF membrane were also investigated.

References

Aug 21, 2003·Journal of Colloid and Interface Science·Jae-Hwan Choi, Seung-Hyeon Moon
Nov 11, 2003·Bioresource Technology·Dadan Kusdiana, Shiro Saka
Feb 10, 2004·Bioresource Technology·Gemma VicenteJosé Aracil
Oct 19, 2010·Bioresource Technology·Wenying ShiJianxin Li
Jul 3, 2015·Bioresource Technology·Chunfeng SongAtsushi Tsutsumi

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Citations

Jun 27, 2018·Chemical Communications : Chem Comm·Xiaozhi XuMin Wei

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