Gas manufacture

Details Gas manufacture Gas manufacture

1996-11-12

1997-12-16

Capossela, Ronald C.

Refrigeration

Cryogenic treatment of gas or gas mixture

Liquefaction

62 461, F25J 100

Patent

active

056972288

ABSTRACT:
A method of manufacturing a breathable, life-supporting cryogenic liquid mixture including the steps of: producing a stream of treated natural air having substantially all the carbon dioxide and moisture removed therefrom; admixing a quantity of mixing gas containing nitrogen in a proportion greater than natural air thereby to producing a product gas mixture having a desired oxygen
itrogen ratio and liquefying this said mixture in a heat exchanger against a suitable chilling fluid.

REFERENCES:
patent: 2952986 (1960-09-01), Spalding
patent: 2960834 (1960-11-01), Kirkpatrick
patent: 4717406 (1988-01-01), Giacobbe
patent: 5063747 (1991-11-01), Jones et al.

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