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Article
Removal of rare earth elements and thorium from LiCl–KCl molten salt by phosphate precipitation method
The removal of rare earth fission products and thorium from LiCl–KCl system is of great significance to purification and recovery LiCl–KCl during pyroprocessing flow. The removal efficiency of rare earth eleme...
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Article
Removal of rare earth fission products from LiCl–KCl molten salt by sulfide precipitation
The precipitation reaction of rare earth was investigated by potassium sulfide (K2S), or sodium sulfide hydrate (Na2S·xH2O) in LiCl–KCl melts. The characteristics of precipitates were determined and the removal r...
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Article
The distillation behavior of fluorides in LiCl–KCl molten salt
The distillation behaviors of some fission product fluorides in LiCl–KCl system were investigated. For rare earth element, the corresponding decontamination factors (DFs) of Ce in 5 wt% CeF3–LiCl–KCl salts were o...
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Article
Trace impurities analysis in UF4 via standard addition and 103Rh internal standardization techniques combined with ICP-MS
In order to determine trace impurities in the nuclear grade UF4, an analysis method based on the standard addition and 103Rh internal standardization techniques combined with ICP-MS has been established. The exam...
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Article
The evaporation behaviors of rare-earth-doped FLiNaK melts during low-pressure distillation
Low pressure distillation of FLiNaK containing rare earth fluorides was carried out to investigate evaporation behaviors of FLiNaK as well as decontamination of rare earth fluorides. Evaporation rate of NdF3–FLiN...