ALKYL PYROPHOSPHATE METAL SOLVENT EXTRACTANTS AND PROCESS
Patent
·
OSTI ID:4254953
A process is presented for the recovery of uranium from aqueous mineral acidic solutions by solvent extraction. The extractant is a synmmetrical dialkyl pyrophosphate in which the alkyl substituents have a chain length of from 4 to 17 carbon atoms. Mentioned as a preferred extractant is dioctyl pyrophosphate. The uranium is precipitated irom the organic extractant phase with an agent such as HF, fluoride salts. alcohol, or ammonia.
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-13-013373
- Assignee:
- U.S. Atomic Energy Commission
- Patent Number(s):
- US 2866680
- OSTI ID:
- 4254953
- Country of Publication:
- United States
- Language:
- English
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