Extraction of uranium from phosphoric acid using supported extractants
Patent
·
OSTI ID:5647836
Uranium is extracted from phosphoric acid with organophosphorus extractants supported or impregnated on polymeric resins, and especially macroreticular resins. Suitable extractants include mono and dialkylphenyl esters of phosphoric acid. Uranium may be stripped from the supported or impregnated resins with hotter or more concentrated phosphoric acid, optionally with oxidation to hexavalent form, or with aqueous fluoride solutions.
- Assignee:
- Allied Chemical Corp.
- Patent Number(s):
- US 4402917
- OSTI ID:
- 5647836
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
050400* -- Nuclear Fuels-- Feed Processing
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
ACTINIDES
AQUEOUS SOLUTIONS
DISPERSIONS
ELEMENTS
EXTRACTION
HYDROGEN COMPOUNDS
INORGANIC ACIDS
METALS
MIXTURES
ORGANIC COMPOUNDS
ORGANIC PHOSPHORUS COMPOUNDS
PHOSPHORIC ACID
POLYMERS
RECOVERY
SEPARATION PROCESSES
SOLUTIONS
SOLVENT EXTRACTION
URANIUM
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
ACTINIDES
AQUEOUS SOLUTIONS
DISPERSIONS
ELEMENTS
EXTRACTION
HYDROGEN COMPOUNDS
INORGANIC ACIDS
METALS
MIXTURES
ORGANIC COMPOUNDS
ORGANIC PHOSPHORUS COMPOUNDS
PHOSPHORIC ACID
POLYMERS
RECOVERY
SEPARATION PROCESSES
SOLUTIONS
SOLVENT EXTRACTION
URANIUM