Solar evaporation of alkaline trona-process waste pond liquors w

Details Solar evaporation of alkaline trona-process waste pond liquors w Solar evaporation of alkaline trona-process waste pond liquors w

1976-11-18

1978-09-26

Yudkoff, Norman

Concentrating evaporators

Processes

Involving waste liquid

159 1S, 23302T, 203 57, 423425, B01D 100

Patent

active

041167570

ABSTRACT:
A process is provided for increasing the rate of solar evaporation of water from alkaline trona-process waste liquors which comprises introducing to the waste liquors an effective amount of a dye selected from the group consisting of Acid Black 2 and Acid Green 1, and subjecting said waste liquors to solar radiation for evaporation of water therefrom.

REFERENCES:
patent: 2383763 (1945-08-01), Bloch et al.
patent: 3361186 (1968-01-01), Wild et al.
patent: 3966541 (1976-06-01), Sadan
Bloch et al., "Solar Evaporation of Salt Brines," Industrial & Engineering Chem., vol. 43, #7, pp. 1544-1553, Jul. 31, 1951.

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