Wettability switchable metal-organic framework membranes for pervaporation of water/ethanol mixtures

被引：22
|
作者：
Wang, Sasa [1 ]
Kang, Zixi [1 ]
Xu, Ben [1 ]
Fan, Lili [1 ]
Li, Guoqing [2 ]
Wen, Ling [2 ]
Xin, Xuelian [1 ]
Xiao, Zhenyu [1 ]
Pang, Jia [1 ]
Du, Xinxin [1 ]
Sun, Daofeng [1 ]
机构：
[1] China Univ Petr East China, Coll Sci, Qingdao 266580, Shandong, Peoples R China
[2] China Univ Petr East China, State Key Lab Heavy Oil Proc, Qingdao 266580, Shandong, Peoples R China
来源：
INORGANIC CHEMISTRY COMMUNICATIONS | 2017年 / 82卷
基金：
中国国家自然科学基金;
关键词：
Metal-organic framework; Membrane; Post-deposing; Water/ethanol separation; SEPARATION TECHNOLOGIES; BIOETHANOL DEHYDRATION; VAPOR PERMEATION; ALCOHOL-WATER; ETHANOL; FABRICATION; ADSORPTION; RECOVERY; BIOMASS; DESIGN;
D O I：
10.1016/j.inoche.2017.05.016
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
To evaluate the effect of MOF surface wettability for the purification of ethanol from water/ethanol mixtures, the hydrophilic Ni-2(L-asp)(2)bipy membrane is switched to hydrophobic Ni-2(L-asp)(2)bipy@PDMS membrane via vapor deposition of PDMS. The PDMS coating can improve the hydrothermal stability of MOF membranes. The stable Ni2(L-asp)2bipy membrane exhibits a high flux of H2O and acceptable separation factor. The pervaporation studies based on the both two membranes provide insight into the effect of surface wettability on the bio-ethanol purification performance. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：64 / 67
页数：4
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