Gas separation: processes – Solid sorption – Including reduction of pressure
Reissue Patent
2008-01-22
2008-01-22
Lawrence, Frank M. (Department: 1724)
Gas separation: processes
Solid sorption
Including reduction of pressure
C095S103000, C095S105000, C095S116000, C095S130000, C096S124000, C096S130000, C096S133000, C096S144000, C137S625460
Reissue Patent
active
RE040006
ABSTRACT:
Pressure swing adsorption (PSA) separation of a gas mixture is performed in an apparatus with a plurality of adsorbent beds. The invention provides rotary multiport distributor valves to control the timing sequence of the PSA cycle steps between the beds, with flow controls cooperating with the rotary distributor valves to control the volume rates of gas flows to and from the adsorbent beds in blowdown, purge, equalization and repressurization steps.
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Doman David G.
Keefer Bowie G.
Klarquist & Sparkman, LLP
Lawrence Frank M.
QuestAir Technologies Inc.
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