Investigation of the attapulgite hybrid carbon molecular sieving membranes for permanent gas separation

被引：15

作者：

Wang, Fei ^{[1
]}

Zhang, Bing ^{[1
]}

Liu, Shanshan ^{[1
]}

Wu, Yonghong ^{[1
]}

Wang, Tonghua ^{[2
]}

Qiu, Jieshan ^{[2
,3
]}

机构：

[1] Shenyang Univ Technol, Sch Petrochem Engn, Liaoyang 111003, Peoples R China

[2] Dalian Univ Technol, Sch Chem Engn, State Key Lab Fine Chem, Carbon Res Lab, Dalian 116024, Peoples R China

[3] Beijing Univ Chem Technol, Coll Chem Engn, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China

来源：

CHEMICAL ENGINEERING RESEARCH & DESIGN | 2019年 / 151卷

基金：

中国国家自然科学基金;

关键词：

Carbon membrane; Gas separation; Attapulgite; Permeation; MIXED MATRIX MEMBRANES; COMPOSITE MEMBRANES; PERFORMANCE; PERMEATION; NANOFILTRATION; FABRICATION; POLYIMIDE;

D O I：

10.1016/j.cherd.2019.09.011

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Carbon molecular sieving (CMS) membranes with enhanced separation performance were prepared from polyimide incorporated with attapulgite (ATP). The membranes were characterized by thermogravimetry, Fourier transform infrared spectroscopy, scanning electron microscope and X-ray diffraction. The effect of ATP content on the structure and property of CMS membranes was investigated. The results show that the ATP addition can improve the thermal stability of precursor membranes, and the average pore size, graphitization degree and gas separation performance of as-obtained CMS membranes. In particular, ATP exhibits a good compatibility with the matrix of CMS membranes. The incorporation of ATP significantly elevates the gas permeability of CMS membranes by 2-3 times. (C) 2019 Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.

引用

页码：146 / 156

页数：11

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