Process for scrubbing gaseous components out of gaseous mixtures

Details Process for scrubbing gaseous components out of gaseous mixtures Process for scrubbing gaseous components out of gaseous mixtures

1984-12-18

1986-09-02

Hart, Charles

Refrigeration

Processes

Circulating external gas

62 28, 55 68, 55 73, F25J 300

Patent

active

046093893

ABSTRACT:
Gaseous components are scrubbed from gaseous mixtures with a physical solvent; the latter, after absorption of the scrubbed-out gaseous components, is regenerated by expansion and stripping, wherein the gaseous fraction being released is discharged and the regenerated solvent is recycled into the scrubbing step. To reduce the content of solvent vapors in the gases to be exhausted into the atmosphere, the released gaseous fraction is cooled in heat exchange with non-thermally degasified solvent in order to condense out entrained solvent vapors from the gaseous fraction.

REFERENCES:
patent: 3718006 (1973-02-01), Ranke et al.
patent: 3886757 (1975-06-01), McClintock et al.
patent: 4332596 (1982-06-01), Ranke et al.
patent: 4381926 (1983-05-01), Karwat

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