Cryogenic hybrid system for producing low purity oxygen and high

Details Cryogenic hybrid system for producing low purity oxygen and high Cryogenic hybrid system for producing low purity oxygen and high

1996-06-26

1997-09-16

Kilner, Christopher

Refrigeration

Cryogenic treatment of gas or gas mixture

Separation of gas mixture

62901, 62908, F25J 304

Patent

active

056668287

ABSTRACT:
A method for producing low purity oxygen and high purity oxygen using a cryogenic rectification column wherein feed air is enriched in oxygen in an upstream adsorbent bed system prior to passage into the column and refrigeration is generated by turboexpansion of adsorbent bed effluent or column top vapor.

REFERENCES:
patent: 3447331 (1969-06-01), Smith
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patent: 4224045 (1980-09-01), Olszewski et al.
patent: 4732580 (1988-03-01), Jain et al.
patent: 4861361 (1989-08-01), Jain et al.
patent: 5090973 (1992-02-01), Jain
patent: 5315833 (1994-05-01), Ha et al.
patent: 5349824 (1994-09-01), Ha et al.

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