The performance of various types of zeolites for N2/O2 and CH4/N2 separation has been studied. The separation factors αN2/O2 and αCH4/N,2 for all the Na-form zeolites are 1. Experimental results show that if the right type of zeolite is chosen fine control of zeollte pore-opening size through chemical vapor deposition has a potential as a good method for preparing high selective adsorbent in gas separation.
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