Ion exchange process for the recovery of uranium

Details Ion exchange process for the recovery of uranium Ion exchange process for the recovery of uranium

1978-11-16

1980-12-23

Sebastian, Leland A.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

299 5, C01G 4302

Patent

active

042410266

ABSTRACT:
An ion exchange process for the recovery of uranium from a pregnant lixiviant employed in uranium leaching operations in which the lixiviant contains chloride ions inhibiting the adsorption of uranyl ions. The ion exchange resin employed to adsorb uranium from the lixiviant has cationic adsorption sites provided by quaternary ammonium groups having a hydroxyalkyl group as a quaternizing substituent. Through the use of a resin of this type, the resin loading in the presence of chloride ions is materially increased.

REFERENCES:
patent: 2559529 (1951-07-01), Bauman et al.
patent: 2614099 (1952-10-01), Bauman et al.
patent: 2841468 (1958-07-01), Wilson
patent: 4155982 (1979-05-01), Hunkin et al.
Wheaton et al., "Properties of Strongly Basic Anion Exchange Resins", Industrial and Engineering Chemistry, May 1951, pp. 1088 to 1093.
Dowex: Ion Exchange, The Dow Chemical Co., 1958, 1959, pp. 4 and 5.
Merritt, The Extractive Metallurgy of Uranium, Colorado School of Mines Research Institute, 1971, pp. 138 to 156.

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