System for producing cryogenic liquid

Details System for producing cryogenic liquid System for producing cryogenic liquid

1997-05-01

1998-11-17

Capossela, Ronald C.

Refrigeration

Cryogenic treatment of gas or gas mixture

Liquefaction

62619, F25J 300

Patent

active

058361731

ABSTRACT:
A system for liquefying low boiling point gases wherein a mixture of feed gas and recirculating refrigerant gas is compressed, a first portion turboexpanded, a second portion compressed to a supercritical pressure, and the supercritical fluid cooled against the turboexpanded fluid to produce cryogenic liquid.

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patent: 3735600 (1973-05-01), Dowdell et al.
patent: 4609390 (1986-09-01), Wilson
patent: 4645522 (1987-02-01), Dobrotwir
patent: 4778497 (1988-10-01), Hanson et al.
patent: 4970867 (1990-11-01), Herron et al.
patent: 5231835 (1993-08-01), Beddome et al.

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