Rotary valve for two bed vacuum pressure swing absorption system

Details Rotary valve for two bed vacuum pressure swing absorption system Rotary valve for two bed vacuum pressure swing absorption system

1998-11-19

2000-11-07

Spitzer, Robert H.

Gas separation: processes

Solid sorption

Including reduction of pressure

95102, 95130, 96124, 96130, 96144, B01D 53047

Patent

active

061430560

ABSTRACT:
A dual-chambered, four-ported rotary valve with a rotatable drum having peripheral openings is used to selectively connect vacuum and/or air sources and a vent to absorption chambers in a two-bed VPSA (vacuum presssure swing absorption) system to replace separate valves and produce low cost enriched oxygen, via reduced power, increased reliability, and reduced complexity and cost.

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