A new adsorbent based on zeolite AgA having N2 adsorption capacity of 22.3 cc g(-1) at 101.3 kPa and N2/O2 selectivity in the range of 5 to 14.6 at 303 K, the highest known so far for any zeolite A type of adsorbent, is reported; furthermore, this adsorbent also shows argon selectivity over oxygen.
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Sebastian et al. (2002) studied this question.
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