Cryogenic air separation system for dual pressure feed

Details Cryogenic air separation system for dual pressure feed Cryogenic air separation system for dual pressure feed

1998-03-04

1999-08-10

Capossela, Ronald

Refrigeration

Cryogenic treatment of gas or gas mixture

Separation of gas mixture

62940, F25J 302

Patent

active

059341050

ABSTRACT:
A dual feed pressure cryogenic air separation system wherein all the feed air is pressurized to an intermediate pressure and cleaned of high boiling impurities at that intermediate pressure, and a portion further compressed to the high pressure and then cooled against another portion so as to prepare that other portion for the turboexpansion to the low pressure, preferably with the turboexpansion driving the further compression.

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