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主要任职: 生物工程学院副院长

性别: 男

毕业院校: 大连理工大学

学位: 博士

所在单位: 生物工程学院

学科: 生物化工. 膜科学与技术. 微生物学

联系方式: xue.1@dlut.edu.cn

电子邮箱: xue.1@dlut.edu.cn

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High-Performance n-Butanol Recovery from Aqueous Solution by Pervaporation with a PDMS Mixed Matrix Membrane Filled with Zeolite

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论文类型: 期刊论文

第一作者: Cheng, Chi

通讯作者: Liu, Fangfang,Yang, Hopen K.,Xiao, Kaijun,薛闯,Yang, Shang-Tian

发表时间: 2021-03-26

发表刊物: INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH

卷号: 59

期号: 16

页面范围: 7777-7786

ISSN号: 0888-5885

摘要: Zeolite-filled polydimethylsiloxane (PDMS) mixed matrix membranes (MMMs) were developed for pervaporation separation of n-butanol from dilute butanol-water solution. The effects of zeolite, feed butanol concentration, and temperature were studied. In general, the butanol separation factor increased with increasing the temperature, whereas the fluxes increased with the reducing membrane thickness and increasing feed butanol concentration and temperature. At 47 degrees C, PDMS MMMs filled with 40 wt % zeolite gave the highest separation factor of 77, which would reduce the energy consumption for butanol recovery from 1.0 wt % butanol by similar to 75% to similar to 10 MJ/kg butanol using a hybrid pervaporation-distillation process compared to distillation. The zeolite-filled PDMS MMM with a thickness of 10 m would have a high butanol flux of 1000 g/m(2).h at 56 degrees C. With a high separation factor and butanol flux, the zeolite-filled PDMS MMM would be advantageous for recovering n-butanol from dilute solution at significantly reduced energy input and cost.

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