Heap leaching studies on uranium ore, Phase IV. Open file report
Technical Report
·
OSTI ID:5193656
This report describes laboratory as well as pilot heap leaching investigations of low-grade sandstone ores from Wyoming, New Mexico, and Colorado. Sodium carbonate-bicarbonate solutions containing sodium hypochlorite extracted up to 86, 54, and 16 percent U3O8 from Wyoming, New Mexico, and Colorado ores, respectively. Ammonium carbonate-bicarbonate solutions containing sodium hypochlorite were less effective at leaching these ores. Acid leach in replicate pilot plant testing resulted in U3O8 extractions of 96, 88, and 81 percent from the Wyoming, New Mexico, and Colorado ores. The development of cost-effective processes for extracting uranium from low-grade ore is essential to the assurance of a continuing domestic supply of uranium.
- Research Organization:
- Colorado School of Mines, Golden (USA). Research Inst.
- OSTI ID:
- 5193656
- Report Number(s):
- PB-272716
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
050300* -- Nuclear Fuels-- Mining-- (-1987)
050400 -- Nuclear Fuels-- Feed Processing
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
ACTINIDE COMPOUNDS
ALKALI METAL COMPOUNDS
CARBON COMPOUNDS
CARBONATES
CHALCOGENIDES
DISSOLUTION
EXTRACTION
EXTRACTIVE METALLURGY
HYDROMETALLURGY
LEACHING
METALLURGY
ORES
OXIDES
OXYGEN COMPOUNDS
ROCK-FLUID INTERACTIONS
ROCKS
SANDSTONES
SEDIMENTARY ROCKS
SEPARATION PROCESSES
SODIUM CARBONATES
SODIUM COMPOUNDS
SOLVENT EXTRACTION
URANIUM COMPOUNDS
URANIUM ORES
URANIUM OXIDES
URANIUM OXIDES U3O8
050400 -- Nuclear Fuels-- Feed Processing
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
ACTINIDE COMPOUNDS
ALKALI METAL COMPOUNDS
CARBON COMPOUNDS
CARBONATES
CHALCOGENIDES
DISSOLUTION
EXTRACTION
EXTRACTIVE METALLURGY
HYDROMETALLURGY
LEACHING
METALLURGY
ORES
OXIDES
OXYGEN COMPOUNDS
ROCK-FLUID INTERACTIONS
ROCKS
SANDSTONES
SEDIMENTARY ROCKS
SEPARATION PROCESSES
SODIUM CARBONATES
SODIUM COMPOUNDS
SOLVENT EXTRACTION
URANIUM COMPOUNDS
URANIUM ORES
URANIUM OXIDES
URANIUM OXIDES U3O8