Helium recovery

Details Helium recovery Helium recovery

2007-11-13

2007-11-13

Lawrence, Frank M. (Department: 1724)

Gas separation: processes

Selective diffusion of gases

Selective diffusion of gases through substantially solid...

C095S117000, C095S130000, C095S138000, C095S139000, C095S140000, C095S143000, C096S004000, C096S132000

Reexamination Certificate

active

10484902

ABSTRACT:
A gas recovery system comprising a source of gas having a preselected concentration of a desired component (9), at least one application (1) that adds impurities to said gas, and at least one an adsorption system (6) that purifies said gas to produce a purified gas for re-use in application (1), wherein said at least one adsorption system includes at least one adsorbent bed (A) having at least three layers of adsorbents. A recovery process is also disclosed.

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