Gas refining method using a pressure swing adsorption method

Details Gas refining method using a pressure swing adsorption method Gas refining method using a pressure swing adsorption method

1998-11-10

2000-10-24

Spitzer, Robert H.

Gas separation: processes

Solid sorption

Including reduction of pressure

95105, 95140, B01D 53053

Patent

active

061360708

ABSTRACT:
In a gas refining method using a PSA method, a cleaning step is divided into a preparatory cleaning step and a substantial cleaning step, and an exhaust gas (particularly a high concentration gas obtained in the latter half is effective) obtained in the substantial cleaning step is used as a gas to be admitted into an adsorption column in the preparatory cleaning step. This method is employed, for example, to refine carbon monoxide from a material gas containing carbon monoxide. Accordingly, the gas refining method using the PSA method can ensure a specified amount of collected gas product without resulting in an increase in the amount of adsorbent even if a low concentration material gas is used.

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