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A novel SPES/PES/NWF composite catalytic membrane for ethyl acetate production
Authors： GUO Shiwei , SHI Wenying, HE Benqiao, LI Jianxin, CUI Zhenyu, YAN Feng, CHENG Yu
Units： School of Materials Science and Engineering, Tianjin Polytechnic University, State Key Laboratory of Hollow Fiber Membrane Materials and Processes, Tianjin 300387, P. R. China
KeyWords： CCM; Esterification; Ethyl acetate; Pervaporation; Sulfonated polyethersulfone
ClassificationCode：TQ 028.8
year,volume(issue):pagination： 2014, 34(5):22-26

Abstract：

Abstract  PET non-woven fiber (NWF) as a support and the sulfonated polyethersulfone (SPES)/polyethersulfone (PES) as blending polymer were used to prepare a SPES/PES/NWF composite catalytic membrane (CCM) with high porosity by a non-solvent induced phase inversion process. Then the membranes were employed to carry out the esterification of acetic acid with ethanol into the fixed membrane reactor. The results showed that the acetic acid conversion reached 75.5% in a single flow-through mode at the initial ethanol/acetic acid molar ratio of 3.9:1, reaction temperature of 348K and the residence time of 330s. The acetic acid equilibrium conversion was 91.0% in a closed-loop flow-through mode. For the pervaporation-assisted esterification in the closed-loop mode, a new equilibrium conversion reached 95.4%. And this novel composite membrane catalytic technology has a potential in synthesis of ethyl acetate and related esters.
 

Funds：
国家自然科学基金（批准号：21174104，21204063）；长江学者和创新团队发展计划资助（批准号：IRT13084)

AuthorIntro：
郭士伟（1988-），男，河北省沧州市人，硕士研究生，主要从事复合催化膜的制备与膜催化酯化的研究。*联系人，电话：022-83955078，E-mail：hebenqiao@tjpu.edu.cn

Reference：


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