CLINOPTILOLITE - UNTAPPED POTENTIAL FOR KINETIC GAS SEPARATIONS

被引：107

作者：

ACKLEY, MW

GIESE, RF

YANG, RT

机构：

[1] SUNY BUFFALO,DEPT CHEM ENGN,BUFFALO,NY 14260

[2] SUNY BUFFALO,DEPT GEOL,BUFFALO,NY 14260

来源：

ZEOLITES | 1992年 / 12卷 / 07期

基金：

美国国家科学基金会;

关键词：

CLINOPTILOLITE; METHANE; NITROGEN; PORE-BLOCKING; PRESSURE SWING ADSORPTION; KINETIC SEPARATION;

D O I：

10.1016/0144-2449(92)90050-Y

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A review of the literature regarding the structure, composition, and ion exchange of clinoptilolite, as well as adsorption and diffusion in this natural zeolite, is summarized. Recently, adsorption and diffusion in modified clinoptilolites have been related to the location of exchangeable cations and the corresponding effects of these cations upon channel blockage. These results suggest a much greater potential for separation of gas mixtures by this natural zeolite than previously recognized. The kinetic separation of N2/CH4 has been examined in terms of the equilibrium and rate properties of the modified clinoptilolites, and a pressure swing adsorption model has been applied to predict process performance.

引用

页码：780 / 788

页数：9

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