Removal of water and carbon dioxide from air

Details Removal of water and carbon dioxide from air Removal of water and carbon dioxide from air

1979-05-30

1981-02-10

Spitzer, Robert H.

Gas separation

Means within gas stream for conducting concentrate to collector

55 33, 55 58, 55 62, 55 74, 55 75, 62 18, B01D 5304

Patent

active

042499151

ABSTRACT:
Moisture and CO.sub.2 are removed from atmospheric air by adsorption of these respectively in separate beds. The moisture laden bed is regenerated by pressure swing adsorption in a relatively short operating cycle while the CO.sub.2 -laden bed is regenerated thermally at considerably longer time intervals. The described method is of particular advantage in connection with the pretreatment of air prior to cryogenic distillation for separation of oxygen and nitrogen therein.

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