SALICYLATE PROCESS FOR THORIUM SEPARATION FROM RARE EARTHS
Patent
·
OSTI ID:4209679
The separation of thorium from rare earths is accomplished by forming an aqueous solution of salts of thorium and rare earths and sufficient acetate buffer to provide a pH of between 2 and 5, adding an ammonium salicylate to the aqueous buffered solution, contacting the resultant solution with a substantially water-immiscible organic solvent mixture of an ether and an ester, and separating the solvent extract phase containing thorium salicylate from the aqueous phase containing the rare earths.
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-14-006363
- Assignee:
- U.S. Atomic Energy Commission
- Patent Number(s):
- US 2901496
- OSTI ID:
- 4209679
- Country of Publication:
- United States
- Language:
- English
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