Process for separating and recovering halocarbons from mixtures

Details Process for separating and recovering halocarbons from mixtures Process for separating and recovering halocarbons from mixtures

1992-08-03

1994-02-01

Dawson, Robert A.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210651, 203 75, 95 16, B01D 1500, B01D 6100

Patent

active

052829685

ABSTRACT:
A process is disclosed for separating components of an azeotropic or azeotrope-like mixture containing only organic compounds at least one of which compound is a halocarbon comprising contacting said azeotropic or azeotrope-like mixture with a semipermeable membrane to form at least one exit stream having an increased concentration of at least one component and at least one other exit stream having an increased concentration of at least one other component of the azeotropic or azeotrope-like mixture and, thereafter, recovering at least one exit stream.

REFERENCES:
patent: 3947558 (1976-03-01), vanEijl
patent: 4424067 (1984-01-01), Tarasenko et al.
patent: 4599096 (1986-07-01), Burr
patent: 4661296 (1987-04-01), Grote et al.
patent: 4756835 (1988-07-01), Wilson
patent: 4793841 (1988-12-01), Burr
patent: 4863496 (1989-09-01), Ekiner et al.
patent: 5064447 (1991-11-01), Lee

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