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.
Cross Reference to Related Application
The present application is a 371 of PCT/US02/24576, filed Jul. 31, 2002, which application claims priority to U.S. provisional application Ser. No. 60/309,091, filed Jul. 31, 2001.
