Refrigeration – Processes – Separating or preventing formation of undesirables
Patent
1994-12-21
1996-03-12
Bennett, Henry A.
Refrigeration
Processes
Separating or preventing formation of undesirables
62292, 210513, 2105321, F25B 4700, B01D 1200, B01D 4300
Patent
active
054976278
ABSTRACT:
Improved methods for purification and recovery of individual refrigerants from refrigerant mixtures without chemical destruction of the contaminating refrigerant. Aqueous solutions are employed in extraction methods by relying on differences in water solubilities and partition coefficients at ambient temperatures. All refrigerants can be recovered and the aqueous solutions reused to form a cyclic process. Methods include countercurrent extraction.
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patent: 5165253 (1992-11-01), Komagasawa et al.
patent: 5201918 (1993-04-01), Vobach
patent: 5209074 (1993-05-01), McConnell
Abel Albert E.
Heyduk Alan F.
Mouk Robert W.
Bennett Henry A.
Commodore Laboratories, Inc.
Doerrler William C.
Ellis Howard M.
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