Method and apparatus for distillation

Details Method and apparatus for distillation Method and apparatus for distillation

1982-08-09

1984-10-09

Sever, Frank

Liquid purification or separation

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Material

159DIG27, 202174, 210640, B01D 1300

Patent

active

044760248

ABSTRACT:
A composite membrane structure is used in a distillation apparatus and method. The composite membrane separates a distilland and a distillate, such as salt water and fresh water. The composite membrane comprises a thin lyophobic microporous layer or membrane and a thin lyophilic layer or membrane. Evaporation and condensation takes place within the micropores of the lyophobic membrane. The lyophilic layer prevents intrusion of distilland into the pores of the lyophobic layer.

REFERENCES:
patent: 2984623 (1961-05-01), Lee
patent: 3648845 (1972-03-01), Riley
patent: 3950247 (1976-04-01), Chiang et al.

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