Multi-component refrigeration process for liquefaction of natura

Details Multi-component refrigeration process for liquefaction of natura Multi-component refrigeration process for liquefaction of natura

1998-06-18

1999-09-14

Kilner, Christopher B.

Refrigeration

Cryogenic treatment of gas or gas mixture

Liquefaction

62613, 62623, F25J 300

Patent

active

059504536

ABSTRACT:
This invention relates to a process for liquefying a pressurized gas stream rich in methane in which the liquefication of the gas stream occurs in a heat exchanger being cooled by a closed-loop multi-component refrigeration system to produce a methane-rich liquid product having a temperature above about -112.degree. C. (-170.degree. F.) and a pressure sufficient for the liquid product to be at or below its bubble point. The liquefied gas product is then introduced to a storage means at a temperature above about -112.degree. C. (-170.degree. F.).

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