Methods for removing volatile substances from water using flash

Details Methods for removing volatile substances from water using flash Methods for removing volatile substances from water using flash

1988-02-23

1989-06-27

Sever, Frank

Liquid purification or separation

Processes

Separating

203 11, 203 25, 203 42, 203DIG4, 210808, B01D 1700

Patent

active

048427489

ABSTRACT:
Methods for removing volatile organic substances from water employ flash vaporization techniques. The methods comprise providing water which contains volatile organic substances and is at a pressure of at least about 35 psig, releasing the water into a vacuum chamber maintained under a vacuum in the range of about 1 to about 5 psia, removing resulting vapors from the chamber, and collecting liquid water from the chamber. At least a portion of the volatile organic substances originally contained in the water are removed as vapors from the vacuum chamber.

REFERENCES:
patent: 3501384 (1970-03-01), Starmer
patent: 3884767 (1975-05-01), Pottharst, Jr.
patent: 3990951 (1976-11-01), Rajakovics
patent: 4209364 (1980-06-01), Rothschild
patent: 4341601 (1982-07-01), Hartig
patent: 4470909 (1984-09-01), Bright

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