A solvent-extraction process for separating technetium from alkaline tank waste
Conference
·
OSTI ID:370554
- Oak Ridge National Lab., TN (United States); and others
A solvent-extraction process for removing technetium-99 as pertechnetate anion from alkaline tank waste-media has been developed. The crown ether bis-4,4{prime}(5{prime})[(tert-butyl)cyclohexano]-18-crown-6 dissolved in TBP-modified aliphatic kerosene has been tested on simulated tank wastes from the DOE`s Hanford and Oak Ridge sites, as well as on actual tank waste from Oak Ridge`s Melton Valley Storage facility. The extraction solvent can be regenerated by stripping with water. A flowsheet for a multistage extraction and stripping process will be presented.
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 370554
- Report Number(s):
- CONF-960376--
- Country of Publication:
- United States
- Language:
- English
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