Absorbent having heterogeneous exchange factor and PSA process e

Details Absorbent having heterogeneous exchange factor and PSA process e Absorbent having heterogeneous exchange factor and PSA process e

1998-09-22

2000-04-25

Spitzer, Robert

Gas separation: processes

Solid sorption

Including reduction of pressure

95130, 95140, 95902, 96108, 502 79, B01D 53047

Patent

active

060539666

ABSTRACT:
A heterogeneous adsorbent for the separation of gases, comprising particles of at least one zeolite containing at least one exchanged metal cation selected from monovalent, divalent and/or trivalent cations, the zeolite having an exchange-factor distribution of given mean having a standard deviation for the exchange-factor distribution of between about 0.3% and 5%, and a PSA, VSA or TSA process for separation of a gas flow, such as air, containing at least a first compound, such as nitrogen, which is adsorbed preferentially on the heterogeneous adsorbent, and at least a second compound, such as oxygen, which is less preferentially adsorbed on the heterogeneous adsorbent than the first compound.

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