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Title: ADSORPTION METHOD FOR SEPARATING THORIUM VALUES FROM URANIUM VALUES

Patent ·
OSTI ID:4235976

An improved ion exchange method is described for recovery of uranium and thorium values as separate functions from an aqueous acidic solution containing less than 10/sup -3/ M thorium ions and between 0.1 and 1 M uranyl ions. The solution is passed through a bed of cation exchange resin in the acid form to adsorb all the thorium ions and a portion of the uranyl ions. The uranium is eluted by means of aqueous 0.1 to 0.4 M sulfuric acid. The thorium may then be stripped from the resin by elution with aqueous 0.5 M oxalic acid.

Research Organization:
Originating Research Org. not identified
NSA Number:
NSA-14-002503
Assignee:
U.S. Atomic Energy Commission
Patent Number(s):
US 2898185
OSTI ID:
4235976
Resource Relation:
Other Information: Orig. Receipt Date: 31-DEC-60
Country of Publication:
United States
Language:
English

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