Method and device for treating liquids by partial evaporation

Details Method and device for treating liquids by partial evaporation Method and device for treating liquids by partial evaporation

1997-07-23

2000-06-27

Manoharan, Virginia

Concentrating evaporators

Film type

Moving film

159 14, 159 15, 159 262, 159 431, 159 49, 159DIG16, 202205, 202236, 203 89, 203 91, B01D 122, B01D 310

Patent

active

060802731

ABSTRACT:
A process and a device for treating a liquid by separating out constituents contained in the liquid. Pollutants are removed or the liquid is sterilized by partial evaporization. The liquid is introduced into a vacuum tank in which a portion thereof is evaporated. The remaining liquid phase is discharged from the vacuum tank. The liquid in the vacuum tank flows under the effect of gravity on a fixed inclined or horizontal surface on which it forms a liquid film. The vapor phase emerges from the liquid film as a function of the vapor pressure defined relative to the prevailing temperature. The flow surface slopes downwardly away from the inflow of the liquid, it rises slightly or it extends horizontally.

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