Question

Adsorption of nitrogen from natural gas by clinoptilolite

Answer 1

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Much of world's natural gas reserves are impure, one of the principal contaminants being nitrogen which makes it unsuitable for application and, hence, its separation is important. In this research, clinoptilolite, the most abundant natural zeolite with an open aluminosilicate framework structure and high internal surface area, was modified by ion exchange process to highly exchanged forms of cations of Na+, K+ and H+. The adsorption of N 2, CH 4 and C 2 H 6 on natural clinoptilolite (Cp) and on its cation-exchanged forms (Na-Cp, K-Cp and H …
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