Cryogenic rectification system for producing elevated pressure p

Details Cryogenic rectification system for producing elevated pressure p Cryogenic rectification system for producing elevated pressure p

1992-01-21

1993-03-30

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

62 18, 62 22, F25J 300

Patent

active

051972964

ABSTRACT:
A cryogenic rectification system for producing elevated pressure product wherein the lower pressure column of a two column system is operated at elevated pressure and nitrogen-containing fluid taken from the upper portion of the lower pressure column is used to generate plant refrigeration and to regenerate feed purifier adsorbent beds thus avoiding the need for any feed expansion.

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