Treatment of waste water from uranium ore preparation

Details Treatment of waste water from uranium ore preparation Treatment of waste water from uranium ore preparation

1974-12-17

1976-10-26

Yudkoff, Norman

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

2523011W, 159 45, 203 48, C01G 4300

Patent

active

039884147

ABSTRACT:
An improved closed-loop process is described for treating waste water resulting from chemical extraction of uranium from ore. The water is evaporated to form a concentrated solution and is then subjected to crystallization of the least soluble salt component thereof via further evaporation, or cooling or simultaneous cooling and a partial vacuum. The crystallized component is then separated from the mother liquor, whereupon the latter is fed back after removal of residual uranium therefrom to the the extraction installation to replace the acids used therein. Additionally, the pure condensate produced during evaporation of the waste waters is employed as a replacement for the fresh water employed in processing of the ore.

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patent: 3890244 (1975-06-01), Carlin

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