Liquid purification or separation – Processes – Separating
Patent
1990-11-15
1992-07-28
Dawson, Robert A.
Liquid purification or separation
Processes
Separating
210 85, 210175, 210180, 210188, 210258, 210259, 210767, 210DIG5, B01D 1900, B01D 500, B01D 4600
Patent
active
051338807
ABSTRACT:
A fluid purifier includes a vacuum separator having a rotating disc disposed inside a chamber which is maintained at a negative pressure. Oil contaminated with a chlorofluorocarbon is introduced onto the surface of the disc, and the disc is rotated to disperse the oil into droplets. Chlorofluorocarbons in the oil are vaporized from the droplets to form a vapor. The vapor is condensed to recover a liquid chlorofluorocarbon.
REFERENCES:
patent: 3966602 (1976-06-01), Burger
patent: 4604109 (1986-08-01), Koslow
patent: 4993461 (1991-02-01), Yamane
Christy Mark R.
Lundquist Joseph E.
Dawson Robert A.
Kim Sun Uk
Pall Corporation
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