Ion exchange resins of high loading capacity, high chloride tole

Details Ion exchange resins of high loading capacity, high chloride tole Ion exchange resins of high loading capacity, high chloride tole

1979-08-27

1982-01-26

Kyle, Deborah L.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

75101BE, 423 17, C22B 6002

Patent

active

043128386

ABSTRACT:
Ion exchange process for the recovery of uranium from a pregnant carbonate lixiviant employed in uranium leaching operations in which the lixiviant is passed over a precipitation inducing anionic ion exchange resin under conditions to load the resin predominantly with non-exchangeable uranium. Non-exchangeable uranium is then recovered from the resin by eluting the resin with an aqueous acid solution having a pH no greater than 2. The process is useful in those applications in which the lixiviant contains chloride ions which inhibit the adsorption of uranyl ions.

REFERENCES:
patent: 2780514 (1957-02-01), Lutz
patent: 2841468 (1958-07-01), Wilson
Merritt, R. C., The Extractive Metallurgy of Uranium, Colo. School of Mines Research Inst., 1971, pp. 138-156.

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