Process and device for regulating a flow of liquid CO.sub.2, and

Details Process and device for regulating a flow of liquid CO.sub.2, and Process and device for regulating a flow of liquid CO.sub.2, and

1989-12-27

1991-08-20

Capossela, Ronald C.

Refrigeration

Storage of solidified or liquified gas

Spraying of cryogen

62384, 62374, 62380, F17C 702

Patent

active

050403745

ABSTRACT:
According to the process, there is maintained in a conduit (3), on the downstream side of a valve (5), up to the vicinity of the point A of injection of the CO.sub.2, an intermediate pressure (PI) higher than the pressure (PT) of the triple point of the CO.sub.2. Application in the treatment of waste waters or the deep freezing of food.

REFERENCES:
patent: 3109296 (1963-11-01), Williamson et al.
patent: 3214928 (1965-11-01), Oberdorfer
patent: 3661483 (1972-05-01), Bose
patent: 3708995 (1973-01-01), Berg

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