Gas separation: processes – Solid sorption – Including reduction of pressure
Patent
1999-02-09
2000-12-05
Spitzer, Robert H.
Gas separation: processes
Solid sorption
Including reduction of pressure
95102, 95105, 95130, 96144, B01D 53053
Patent
active
061561010
ABSTRACT:
A PSA process and system utilizes a combination of cyclic feed, evacuation, purge, and repressurization steps to provide a final gas product enriched in one of the feed components. The process is carried out in a simple system which utilizes a single two-way four-port valve for controlling gas flow between an adsorber vessel and a blower, and the blower is used for the introduction of feed gas into the adsorber and the evacuation of gas from the adsorber. The control of gas flow in either direction between the adsorber vessel and a product gas storage tank is accomplished by two check valves installed in parallel between the vessel and the tank.
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Zhang, Zhixiong et al., "Separation of a Nitrogen-Carbon Dioxide Mixture by Rapid Pressure Swing Adsorption", Adsorption 4, 173-177, 1998, Kluwer Academic Publishers.
Air Products and Chemicals Inc.
Fernbacher John M.
Spitzer Robert H.
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