Cryogenic air separation system with high ratio turboexpansion

Details Cryogenic air separation system with high ratio turboexpansion Cryogenic air separation system with high ratio turboexpansion

1998-07-10

1999-12-14

Capossela, Ronald

Refrigeration

Cryogenic treatment of gas or gas mixture

Separation of gas mixture

62939, F25J 300

Patent

active

060002395

ABSTRACT:
A cryogenic air separation system wherein a portion of the feed air is compressed to a very high pressure, bypasses the primary heat exchanger, and is turboexpanded to a low pressure to supply refrigeration in one step from the warm end temperature to the cryogenic temperature of the cryogenic air separation plant.

REFERENCES:
patent: 4303428 (1981-12-01), Vandenbussche
patent: 4375367 (1983-03-01), Prentice
patent: 4407135 (1983-10-01), Pahade
patent: 5237822 (1993-08-01), Rathbone
patent: 5263328 (1993-11-01), Rohde
patent: 5287704 (1994-02-01), Rathbone
patent: 5404725 (1995-04-01), Arriulou
patent: 5437161 (1995-08-01), Chretien
patent: 5454226 (1995-10-01), Darredeau
patent: 5511381 (1996-04-01), Higginbotham
patent: 5675977 (1997-10-01), Prosser

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