Process for producing oxygen-enriched gas

Details Process for producing oxygen-enriched gas Process for producing oxygen-enriched gas

1986-06-03

1987-08-04

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

55 58, 55 62, 55 68, 55 75, B01D 5304

Patent

active

046843779

ABSTRACT:
An oxygen-enriched gas having an oxygen concentration of, for example, 93% by volume, is produced at a high oxygen recovery rate from a gas mixture containing oxygen and nitrogen as main gas components by pressure swing adsorption, using a set of three adsorption columns, each packed with a zeolite molecular sieve as an adsorbent through a cyclic operation of adsorption under a pressure of from atmospheric pressure to 5,000 mm H.sub.2 O and desorption under vacuum pressure down to the final pressure of 150 mm Hg abs.

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