Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1987-12-29
1989-03-21
Spitzer, Robert
Gas separation
Means within gas stream for conducting concentrate to collector
55 31, 55 33, 55 58, 55 62, 55 68, 55 74, 55 75, B01D 5304
Patent
active
048139777
ABSTRACT:
A process is described for nitrogen recovery from air using vacuum swing adsorption. The process minimizes capital costs by reducing or eliminating gas storage vessels and reduces power requirements by operating without an air feed compressor or elevated pressure feed, whereby air feed is induced by vacuum conditions achieved by pressure equalization between parallel adsorption beds. Alternatively, a minor amount of oxygen product can be recovered.
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Abel Alan D.
Kumar Ravi
Schmidt William P.
Air Products and Chemicals Inc.
Chase Geoffrey L.
Marsh William F.
Simmons James C.
Spitzer Robert
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