Repressurization technique for pressure swing adsorption

Details Repressurization technique for pressure swing adsorption Repressurization technique for pressure swing adsorption

1978-11-06

1981-03-17

Spitzer, Robert H.

Gas separation

Means within gas stream for conducting concentrate to collector

55 62, 55 68, 55 75, B01D 5304

Patent

active

042564697

ABSTRACT:
In a pressure swing adsorption process, the adsorbent being for example a carbon molecular sieve, the usual initial surge of an undesired component, e.g., O.sub.2 in a nitrogen stream, from the outlet of a freshly repressurized adsorber, is reduced or eliminated by conducting repressurization in a stage-wise manner with the final part of the repressurization being conducted substantially more slowly than the initial stage of repressurization.

REFERENCES:
patent: 3176444 (1965-04-01), Kiyonaga
patent: 3738087 (1973-06-01), McCombs
patent: 3801513 (1974-04-01), Munzner et al.
patent: 3923477 (1975-12-01), Armond et al.
patent: 4011065 (1977-03-01), Munzner et al.

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