膜
咪唑酯
化学
沸石咪唑盐骨架
微型多孔材料
沸石
化学工程
多孔性
粒径
金属有机骨架
无机化学
吸附
物理化学
有机化学
催化作用
生物化学
工程类
作者
Surendar R. Venna,Moisés A. Carreón
摘要
ZIF-8 membranes, a type of zeolite imidazolate framework, were synthesized by secondary seeded growth on tubular α-Al2O3 porous supports. The presence of small, highly crystalline, microporous crystals with narrow particle size distribution led to continuous thin membranes. The synthesized novel ZIF-8 membranes displayed unprecedented high CO2 permeances and relatively high separation indexes for equimolar mixtures of CO2 and CH4.
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