Pressure swing adsorption process and system for gas separation

Details Pressure swing adsorption process and system for gas separation Pressure swing adsorption process and system for gas separation

1979-08-03

1981-04-21

Spitzer, Robert H.

Gas separation

Means within gas stream for conducting concentrate to collector

55 25, 55 68, 55 75, 55163, 55179, 55389, B01D 5304

Patent

active

042630185

ABSTRACT:
A pressure swing adsorption process and system including at least two adsorption beds and a segregated storage adsorption bed which is isolated from direct communication with the feed gas stream. During the process the pressures in the adsorption beds are equalized from the feed ends thereof at the end of adsorption in one of the beds and after pressurization of the other bed. The segregated storage adsorption bed is pressure equalized with a depressurizing adsorption bed and then after purging of the bed the segregated storage adsorption bed is equalized with that adsorption bed during repressurizing thereof. A pair of flow control valves are connected in a gas flow path connected to the outlets of the adsorption beds, each valve being located adjacent a corresponding one of the beds and allowing unrestricted flow away from the corresponding bed and controlled flow toward that bed. A reservoir connected to the system output conduit stores product gas for use during a system malfunction or for augmenting system function.

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