Fabrication of MOFs/PEBA mixed matrix membranes and their application in bio-butanol production

被引：68

作者：

Liu, Sainan ^{[1
]}

Liu, Gongping ^{[1
]}

Shen, Jie ^{[1
]}

Jin, Wanqin ^{[1
]}

机构：

[1] Nanjing Univ Technol, Coll Chem & Chem Engn, State Key Lab Mat Oriented Chem Engn, Nanjing 210009, Jiangsu, Peoples R China

来源：

SEPARATION AND PURIFICATION TECHNOLOGY | 2014年 / 133卷

基金：

中国国家自然科学基金;

关键词：

Mixed matrix membrane; Zn(BDC)(TED)(0.5); PEBA; Bio-butanol; Pervaporation; DILUTE AQUEOUS-SOLUTIONS; ORGANIC FRAMEWORK ZN(BDC)(TED)(0.5); GAS-SEPARATION; COMPOSITE MEMBRANES; N-BUTANOL; PERVAPORATION MEMBRANES; INORGANIC FILLERS; ELASTIC-MODULUS; RECOVERY; PERFORMANCE;

D O I：

10.1016/j.seppur.2014.06.034

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Metal-organic frameworks (MOFs) containing mixed matrix membranes have recently received increasing attention because of the favorable compatibility with polymer chains. In this work, Zn(BDC)(TED)(0.5) (BDC = benzenedicarboxylate, TED = triethylenediamine) particles were synthesized and introduced into polyether-block-amide (PEBA) to prepare mixed matrix membrane without interphase defects for bio-butanol recovery via pervaporation. The incorporation of fillers resulted in a decreased surface-free energy and improved mechanical properties. The effects of Zn(BDC)(TED)(0.5) loading as well as operation conditions on pervaporation performance were systematically investigated and the MMMs with 20 wt% loading showed superior performance. Considering the practical application, the MMMs with 20 wt% Zn(BDC)(TED)(0.5) was evaluated in ABE model solution, and it exhibited high n-butanol separation performance. This work suggests a promising future of Zn(BDC)(TED)(0.5)/PEBA MMMs for bio-butanol recovery via pervaporation process. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：40 / 47

页数：8

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