STUDIES OF THE BEHAVIOR OF THE TBP-KEROSENE SOLVENT IN URANIUM REFINING: RECOVERY OF DISCARDED REFINERY SOLVENT
Technical Report
·
OSTI ID:4152671
A series of laboratory tests showed that uranium is retained in the tributyl phosphate-kerosene solvent extraction stream during re-extraction as a result of the formation of non-water-strippable uranium complexes and the decrease of uranium mass transfer rate at the re-extraction stage, The uranium retained by complexing is held by dibuityl phosphate (DBP) and other unknown complexing agents. Continuous solvent treatment, using a 3-step cycle of sodium carbonate-water-nitric acid, removes the DBP and the agents) affecting the decrease of mass transfer rate and slowly reduces the concentration of the unshown uranium-complexing agents. (auth)
- Research Organization:
- National Lead Co. of Ohio, Cincinnati
- NSA Number:
- NSA-14-016727
- OSTI ID:
- 4152671
- Report Number(s):
- NLCO-714
- Country of Publication:
- United States
- Language:
- English
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