Process and apparatus for the low-temperature separation of air

Details Process and apparatus for the low-temperature separation of air Process and apparatus for the low-temperature separation of air

1976-08-06

1978-05-30

Hart, Charles N.

Gas separation

Means within gas stream for conducting concentrate to collector

55 62, 55 74, 62 13, B01D 5304

Patent

active

040921310

ABSTRACT:
In a process for the low-temperature separation of air into dry product gases wherein at least a portion of the entering air is cooled by indirect heat exchange in a heat exchanger against at least one of the product gases and is freed of impurities by an adsorption process prior to this heat exchange, the improvement which comprises freeing the air of substantially only H.sub.2 O in the adsorption process and periodically interchanging the flow paths for the air and for the product gas, respectively, in the heat-exchanger.

REFERENCES:
patent: 2699837 (1955-01-01), Van Note
patent: 3210950 (1965-10-01), Lady
patent: 3280574 (1966-10-01), Becker
patent: 3355859 (1967-12-01), Karwat
patent: 3967464 (1976-07-01), Cormier et al.

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