PSA process using an adsorbent with heterogeneous properties of

Details PSA process using an adsorbent with heterogeneous properties of PSA process using an adsorbent with heterogeneous properties of

1998-04-15

2000-02-08

Spitzer, Robert

Gas separation: processes

Solid sorption

Including reduction of pressure

95130, 95902, B01D 53047

Patent

active

060223979

ABSTRACT:
For the separation of nitrogen from oxygen in air, an adsorbent is used which preferentially adsorbs the nitrogen. The adsorbent is a heterogeneous zeolite whose particles have a distribution of the capacity to adsorb nitrogen relative to oxygen, with a ratio (.sigma..sub.c /.mu..sub.c) comprised between 0.02 and 0.15, and/or having a distribution of selectivity of adsorption of nitrogen relative to oxygen with a ratio (.sigma..sub.s /.mu..sub.s) comprised between 0.02 and 0.25.

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