Method for providing cooling for gas liquefaction

Details Method for providing cooling for gas liquefaction Method for providing cooling for gas liquefaction

2006-11-14

2006-11-14

Doerrler, William C. (Department: 3744)

Refrigeration

Cryogenic treatment of gas or gas mixture

Liquefaction

C062S611000

Reexamination Certificate

active

07134296

ABSTRACT:
A method for generating refrigeration for cooling a product gas wherein a first or working gas undergoes a staged expansion to a first temperature and a subsequent turboexpansion to a second higher temperature and both the expanded gas and the turboexpanded gas provide cooling to the product gas.

REFERENCES:
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patent: 5231835 (1993-08-01), Beddome et al.
patent: 5636529 (1997-06-01), Schmidt
patent: 6065305 (2000-05-01), Arman et al.
patent: 6196021 (2001-03-01), Wissolik
patent: 6220053 (2001-04-01), Hass et al.
patent: 6694774 (2004-02-01), Rashad et al.

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