Pressure swing adsorption unit

Details Pressure swing adsorption unit Pressure swing adsorption unit

1994-06-15

1996-06-25

Spitzer, Robert

Gas separation: apparatus

Solid sorbent apparatus

Plural solid sorbent beds

96133, 96144, B01D 53047

Patent

active

055296149

ABSTRACT:
A pressure swing adsorption unit comprises at least two absorbers, each absorber having at least a port connectable to at least one pumping unit. The pumping unit includes a first pumping stage and a second pumping stage. Each of the pumping stages are capable of discharging into an outlet conduit. A circuit is provided for selectively and alternately connecting a port to a source of feed gas and to the pumping unit such that the first and second pumping stages are sequentially fluidly connected in parallel, and then in series to reduce the pressure at the port to an intermediate vacuum level, and then to a low vacuum level.

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