Method of purifying uraniferous aqueous solutions

Details Method of purifying uraniferous aqueous solutions Method of purifying uraniferous aqueous solutions

1983-09-21

1985-06-18

Castel, Benoit

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210724, 210737, 423 11, 423 85, 423608, C02F 152

Patent

active

045240019

ABSTRACT:
A method of purifying uraniferous aqueous solutions containing impurities, particularly at least one of the elements zirconium and/or hafnium, and also containing at least one of the anions SO.sub.4.sup.=, NO.sub.3.sup.-, Cl.sup.- or F.sup.- acting as complexing agents for the uranium and impurities, by precipitation of said impurities by means of an alkaline agent, characterized in that the following stages are carried out for the purpose of selectively and quantitatively separating the impurities from the uranium:

REFERENCES:
patent: 3093452 (1963-06-01), Newby
patent: 3790658 (1974-02-01), Fox et al.
patent: 3988414 (1976-10-01), Klicka et al.
patent: 4256463 (1981-03-01), Carter
patent: 4272490 (1981-06-01), Sefton et al.
patent: 4330509 (1982-05-01), Henry

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