Pressure swing adsorption for concentration of a gas component

Details Pressure swing adsorption for concentration of a gas component Pressure swing adsorption for concentration of a gas component

1988-10-01

1990-11-06

Langel, Wayne A.

Gas separation

Means within gas stream for conducting concentrate to collector

55 28, 55 58, 55 62, 55189, 55208, B01D 5304

Patent

active

049683292

ABSTRACT:
Pressure swing adsorption separation of a gas mixture containing a more readily adsorbed component and a less readily adsorbed component is performed to concentrate one of the components as a relatively purified product, within an apparatus which includes an adsorbent bed and cyclically operated variable volume displacement means associated with the adsorbent bed to vary the working pressure of the gas contacting the adsorbent bed. The invention provides means to generate flow over the adsorbent bed and achieve recovery of expansion energy, while enabling large exchanges of fresh feed gas for depleted feed gas during each cycle.

REFERENCES:
patent: 4702903 (1987-10-01), Keefer
patent: 4801308 (1989-01-01), Keefer

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