Cryogenic helium production system

Details Cryogenic helium production system Cryogenic helium production system

1992-12-04

1994-07-19

Bennett, Henry A.

Refrigeration

Processes

Circulating external gas

62 22, 62 31, 62 40, 62 11, F25J 302

Patent

active

053297750

ABSTRACT:
A cryogenic helium production system wherein a feed which includes carbon dioxide is processed in a dual temperature system including an upstream higher temperature and higher pressure column or dephlegmator, thus eliminating the need for a separate non-cryogenic carbon dioxide removal step.

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N.sub.2 Removal From Natural Gas, Streich, Hydrocarbon Processing. Apr., 1970.

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