Precipitation process for decontamination of water-soluble SRP radioactive waste
A precipitation and adsorption process has been developed to remove cesium, strontium, and plutonium from high-level radioactive waste salt solution. Sodium tetraphenyl borate (STPB) is used to precipitate cesium, and sodium titanate slurry is used to sorb strontium and plutonium. The precipitate/adsorbate is separated from the decontaminated salt solution by crossflow filtration. This process has the potential of being implemented in existing waste tanks and would result in significant capital savings compared to an ion-exchange process for salt decontamination. Chemical and small-scale engineering studies with actual waste are reported. The effect of many variables on the decontamination factors and filter performance is defined.
- Research Organization:
- Du Pont de Nemours (E.I.) and Co., Aiken, SC (USA). Savannah River Lab.
- DOE Contract Number:
- AC09-76SR00001
- OSTI ID:
- 6171973
- Report Number(s):
- DP-MS-82-46; CONF-821103-89; ON: DE83011378
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
ACTINIDES
ADSORPTION
ALKALI METALS
ALKALINE EARTH METALS
CESIUM
CLEANING
DECONTAMINATION
DISPERSIONS
ELEMENTS
FILTRATION
HIGH-LEVEL RADIOACTIVE WASTES
MANAGEMENT
MATERIALS
METALS
MIXTURES
NATIONAL ORGANIZATIONS
PLUTONIUM
PRECIPITATION
PROCESSING
RADIOACTIVE MATERIALS
RADIOACTIVE WASTE PROCESSING
RADIOACTIVE WASTES
SALTS
SAVANNAH RIVER PLANT
SEPARATION PROCESSES
SLURRIES
SORPTION
STRONTIUM
SUSPENSIONS
TRANSURANIUM ELEMENTS
US AEC
US DOE
US ERDA
US ORGANIZATIONS
WASTE MANAGEMENT
WASTE PROCESSING
WASTES