Process for treating uraniferous solutions by the addition of an

Details Process for treating uraniferous solutions by the addition of an Process for treating uraniferous solutions by the addition of an

1985-03-29

1988-07-05

Lechert, Jr., Stephen J.

Compositions

Radioactive compositions

Nuclear reactor fuel

210667, 210682, 210724, 252626, 423 11, 423 12, G21F 908, C01G 5600, C02F 142

Patent

active

047553286

ABSTRACT:
The invention relates to a process for decontaminating and adjusting the pH of uraniferous solutions to render them compatible with the natural environment into which they may be discharged. This process is characterized in that the solutions to be treated having a natural pH from about 2.5 to about 6.5 and containing from about 1 to about 100 mg/l of uranium, are supplemented with an aluminum salt, such as sodium aluminate, in a sufficient amount for the final pH to be from about 5.5 to about 8.5 and for there to be precipitation, coagulation and adsorption of about 90% of the uranium initially contained in the solution and for the uranium content remaining in the final solution obtained to be equal to or less than about 1.8 mg/l.

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patent: 4347141 (1982-08-01), Rothberg
patent: 4423009 (1983-12-01), Maurel et al.

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