Rapid cycle pressure swing adsorption oxygen concentration metho

Details Rapid cycle pressure swing adsorption oxygen concentration metho Rapid cycle pressure swing adsorption oxygen concentration metho

1998-10-27

2000-05-30

Spitzer, Robert

Gas separation: processes

Solid sorption

Including reduction of pressure

95105, 95130, B01D 53047

Patent

active

060686804

ABSTRACT:
A rapid pressure swing adsorption oxygen concentrator is provided having a plurality of at least three sieve beds cycled in sequence such that each is pressurized during one segment of a cycle and depressurized during a plurality of segments of a cycle while the other sieve beds are being sequentially pressurized. Preferably, approximately six sieves are provided and pressurized in sequence, with each being pressurized for approximately 60.degree. of the cycle and depressurized for from about 270.degree. to 300.degree. of the cycle. Each sieve is thereby pressurized for about one to two seconds and depressurized for about five to ten seconds. By utilizing the ability of the sieve material to adsorb faster than it can desorb gas, high output of up to 96% pure oxygen results with a low sieve volume and low power consumption.

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