Microwave synthesis of tubular zeolitic imidazolate framework ZIF-8 membranes for CO2/CH4 separation

被引：20

作者：

Zhu, Yaqiong ^{[1
]}

Liu, Qian ^{[1
]}

Huang, Aisheng ^{[1
]}

机构：

[1] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Inst New Energy Technol, 1219 Zhongguan Rd, Ningbo 315201, Zhejiang, Peoples R China

来源：

SEPARATION SCIENCE AND TECHNOLOGY | 2016年 / 51卷 / 05期

基金：

中国国家自然科学基金;

关键词：

CO2/CH4; separation; metal-organic frameworks (MOFs); ZIF-8; membranes; microwave synthesis; METAL-ORGANIC FRAMEWORK; MOLECULAR-SIEVE MEMBRANE; SAPO-34; MEMBRANES; GAS PERMEATION; PERFORMANCE; SELECTIVITY; ADSORPTION; POLYDOPAMINE; DEPOSITION; STABILITY;

D O I：

10.1080/01496395.2015.1135948

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The separation of CO2/CH4 is reported in detail by using zeolitic imidazolate framework (ZIF-8) membrane which was prepared on 3-aminopropyltriethoxysilane modified Al2O3 tube through microwave heating synthesis. Attributed to the preferential adsorption affinity of CO2 over CH4 and a narrow pore window of 0.34 nm, the ZIF-8 membrane shows high separation performances for the separation of CO2/CH4 mixtures. For the separation of equimolar CO2/CH4 mixture at 100 degrees C and 2 bar feed (1 bar permeate) pressure, a CO2 permeance of 1.02 x 10(-8) mol/m(2)center dot s center dot Pa and a CO2/CH4 selectivity of 6.8 are obtained, which is promising for CO2 separation.

引用

页码：883 / 891

页数：9

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