Laboratory-scale study of electrolytic reduction of uranium oxides
An exploratory study was undertaken to investigate potential improvements in the electrolytic reduction of uranium oxide to the metal. Potential advantages of the electrolytic procedure over existing chemical reduction processes are (1) lower operating temperatures, which alleviate materials problems and heating requirements, (2) removal of most impurities, and (3) elimination of solid by-product wastes. The results showed that UO/sub 2/ can be reduced electrolytically in a molten LiF-KF-NaF-CaF/sub 2/-UF/sub 4/ electrolyte at 975/degree/C, and at current densities from 500 to 900 mA/cm/sup 2/. The metallic uranium product was collected as a solid deposit on a molybdenum or uranium cathode rod. 14 refs., 20 figs., 3 tabs.
- Research Organization:
- Argonne National Lab., IL (USA)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 6755808
- Report Number(s):
- ANL-88-29; ON: DE89001031
- Resource Relation:
- Other Information: Portions of this document are illegible in microfiche products
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
ELECTROCHEMICAL CELLS
DESIGN
URANIUM OXIDES
REDUCTION
CALCIUM FLUORIDES
CATHODES
CHEMICAL REACTION KINETICS
DEPOSITION
ELECTROLYSIS
ELECTROLYTES
LITHIUM FLUORIDES
POTASSIUM FLUORIDES
SODIUM FLUORIDES
URANIUM
URANIUM FLUORIDES
ACTINIDE COMPOUNDS
ACTINIDES
ALKALI METAL COMPOUNDS
ALKALINE EARTH METAL COMPOUNDS
CALCIUM COMPOUNDS
CALCIUM HALIDES
CHALCOGENIDES
CHEMICAL REACTIONS
ELECTRODES
ELEMENTS
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
KINETICS
LITHIUM COMPOUNDS
LITHIUM HALIDES
LYSIS
METALS
OXIDES
OXYGEN COMPOUNDS
POTASSIUM COMPOUNDS
REACTION KINETICS
SODIUM COMPOUNDS
URANIUM COMPOUNDS
050400* - Nuclear Fuels- Feed Processing
400201 - Chemical & Physicochemical Properties
400400 - Electrochemistry