Process for extraction of a substance from a gaseous carrier gas

Details Process for extraction of a substance from a gaseous carrier gas Process for extraction of a substance from a gaseous carrier gas

1991-12-03

1993-11-16

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

62 38, 62116, 62500, F25J 300

Patent

active

052612422

ABSTRACT:
The invention concerns a process for extraction of a liquefiable substance from a gaseous carrier fluid. According to that process on one hand, we force the fluid to flow across a convergent-divergent nozzle such as that in that nozzle, the fluid is submitted to a fast expansion and, on the other hand, we define the cross sections (A(x)/Ao) along the axis (x) of the nozzle such as that the pressure diagram and the velocity diagram exhibit in the neighbourhood of the throat one landing section at least. Within those conditions, the liquefiable substance condenses and forms a cloud of drops of larger diameter and reduced concentration.

REFERENCES:
patent: 2548568 (1970-12-01), Carlson, Jr. et al.
patent: 2893214 (1959-07-01), Hendal
patent: 3559373 (1971-02-01), Garrett
patent: 3775988 (1973-12-01), Fekete
patent: 4424680 (1984-01-01), Rothchild
patent: 4531371 (1985-07-01), Voronin et al.

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