Method and apparatus for distillation of crude water

Details Method and apparatus for distillation of crude water Method and apparatus for distillation of crude water

1983-06-22

1986-04-29

Bernstein, Hiram H.

Distillation: processes, separatory

Water purification only

Under pressure or vacuum

203 24, 203 23, 203DIG4, B01D 306

Patent

active

045855242

ABSTRACT:
Demineralized crude water is distilled during flow along a first path which is defined by stationary parts. Such water is evaporated and thereafter cooled and condensed by a heat transfer medium which is circulated along an endless second path. Evaporation of crude water results in condensation of the medium, and condensation of resulting water vapors into distillate results in evaporation of the medium. The medium is caused to pass through a heat pump which raises its pressure and temperature before the thus heated medium exchanges heat with and evaporates crude water in the first path. The medium and/or the distillate can be used for preheating crude water upstream of the evaporating station, and the vapors are preferably purified by one or more cyclones, by an electrostatic filter and/or by ultrasonic waves intermediate the evaporating and condensing stations.

REFERENCES:
patent: 3020215 (1962-02-01), Weber
patent: 4045293 (1977-08-01), Cooksley
patent: 4089749 (1978-05-01), Karamian

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