Extraction of uranium using electrolytic oxidization and reducti

Details Extraction of uranium using electrolytic oxidization and reducti Extraction of uranium using electrolytic oxidization and reducti

1979-08-10

1982-07-27

Miller, Edward A.

Chemistry: electrical and wave energy

Processes and products

423 8, 423 9, 423 10, C25B 100, C01G 4300

Patent

active

043416020

ABSTRACT:
The invention relates to a process for the recovery and the concentration of uranium (VI) contained in an organic phase. The organic phase is treated continuously in a contact zone with an aqueous solution containing an oxidizing-reducing agent in the reduced state, said oxidizing-reducing agent being capable of reducing U.sup.+6 to U.sup.+4 in said aqueous solution. The aqueous solution employed in the process issues in part or in its entirety from the cathodic compartment of an electrolytic separation cell, which is under a direct current potential, and the aqueous phase issuing from the contact zone feeds in part or in its entirety the anodic compartment of the electrolytic cell. The process is of particular interest when applied to the recovery and concentration of uranium contained in a wet process phosphoric acid.

REFERENCES:
patent: 2790702 (1957-04-01), McCullough
patent: 2843450 (1958-07-01), Long
patent: 3616276 (1971-10-01), Schneider et al.
patent: 3711591 (1973-01-01), Hurst et al.
patent: 3737513 (1973-06-01), Wiewiorowski et al.
patent: 3770612 (1973-11-01), Gray et al.
patent: 3869374 (1975-03-01), Goldacker et al.
patent: 4021313 (1977-05-01), Hausberger et al.
patent: 4234393 (1980-11-01), Hepworth et al.
Merritt, "The Extractive Metallurgy of Uranium", pp. 237-239, Colorado School of Mines Research Institute, (1971).

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