Refrigeration – Cryogenic treatment of gas or gas mixture – Separation of gas mixture
Patent
1995-06-30
1996-07-30
Capossela, Ronald C.
Refrigeration
Cryogenic treatment of gas or gas mixture
Separation of gas mixture
62632, 62903, F25J 300
Patent
active
055400574
ABSTRACT:
A vent gas stream containing volatile organic compounds is passed continuously through a condenser in counter-current flow with respect to cold clean vent gas combined with a cryogenic refrigerant. The volatile organic compounds are condensed at various temperatures inside the condenser, and are separately recovered at very low levels of refrigerant utilization.
REFERENCES:
patent: 4464904 (1984-08-01), Steigman
patent: 4769054 (1988-09-01), Steigman
patent: 5150576 (1992-09-01), Minzenberger
patent: 5261250 (1993-11-01), Missimer
patent: 5345772 (1994-09-01), Hopewell
patent: 5367881 (1994-11-01), Henzler
Capossela Ronald C.
Fritschler Alvin H.
Praxair Technology Inc.
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