Water purification device

Details Water purification device Water purification device

1986-02-04

1987-09-29

Sever, Frank

Distillation: apparatus

Apparatus

Systems

55195, 55208, 203 11, 203DIG8, 210180, 210188, B01D 302

Patent

active

046967184

ABSTRACT:
A highly efficient water purification device includes a degasification apparatus, a distillation apparatus and an ion removal device to purify contaminated water. When a partial vacuum is applied to the degasification apparatus, dissolved gases leave the water, and a heat exchange process occurs which heats the gases and cools the degassed water. A gas exhaust channel transfers the warmed gases to a heating coil in the distillation apparatus to preheat water for evaporation therein while the cooled, degassed water is transferred to a condenser to condense vapor and steam. The degasification apparatus may include one or more towers in which a vacuum is formed by first filling the towers with water, sealing the tower top, and then draining water from the tower bottom; this vacuum may be applied to the distillation apparatus and a reservoir by transferring the vacuum from the towers through a depressurization conduit to thereby achieve boiling in the distillation apparatus at reduced temperatures.

REFERENCES:
patent: 3890207 (1975-06-01), Chapman et al.

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