Towards the Preparation of Ordered Mesoporous Carbon/Carbon Composite Membranes for Gas Separation

被引：27
|
作者：
Zhang, Bing [1 ,2 ]
Shi, Yi [1 ]
Wu, Yonghong [1 ]
Wang, Tonghua [2 ]
Qiu, Jieshan [2 ]
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, Peoples R China
来源：
SEPARATION SCIENCE AND TECHNOLOGY | 2014年 / 49卷 / 02期
基金：
中国国家自然科学基金;
关键词：
carbon membrane; gas separation; ordered mesoporous carbon; permeation; CARBON MOLECULAR-SIEVE; ETHER SULFONE KETONE); HIGH-PERFORMANCE; TEMPERATURE; SILICA; PERMEATION; PRECURSORS; COPOLYMER; TRIBLOCK;
D O I：
10.1080/01496395.2013.838684
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Carbon/carbon composite membranes (CCMs) were made using the blend of polyimide with ordered mesoporous carbon (OMC) as precursor at a pyrolysis temperature of 650 degrees C. The thermal stability of precursors, the structure evolution, and the morphology and gas separation performance of CCMs were investigated. The results have shown that the CCMs are one of the most attractive membrane materials for gas separation. The thermal stability of the precursor is improved by the addition of OMC. OMC can tightly embed in the membrane matrix due to the carbonaceous homology of matrix. As a result of the addition of OMC into carbon membranes, the gas permeability of O-2 increases ten times, together with the O-2/N-2 selectivity significantly boosting from 10.3 to 12.9.
引用
收藏
页码：171 / 178
页数：8
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