Method of employing a first contaminant to prevent freeze-out of

Details Method of employing a first contaminant to prevent freeze-out of Method of employing a first contaminant to prevent freeze-out of

1978-11-20

1980-12-09

Yudkoff, Norman

Refrigeration

Processes

Circulating external gas

62 21, 62 18, 62 24, F25J 300

Patent

active

042382114

ABSTRACT:
In the cryogenic processing of a gaseous stream, the level of a first contaminant is adjusted, such as by recycling first contaminant already removed or by adding first contaminant, to maintain the total concentration of first contaminant in the gaseous stream at a level sufficient to dissolve the total amount of a second contaminant which would otherwise freeze-out, whereby the likelihood of freeze-out of the second contaminant is substantially reduced during cooling of the gaseous stream to cryogenic processing temperatures.

REFERENCES:
patent: 1529625 (1925-03-01), Rafferty et al.
patent: 1664412 (1928-04-01), Haynes
patent: 3218816 (1965-11-01), Grenier
patent: 3407614 (1968-10-01), Poska
patent: 3735600 (1973-05-01), Dowdell et al.
patent: 3899312 (1975-08-01), Kruis et al.

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