Process principle for the separation of fission productsNuclides generated by fission or subsequent radioactive deca... from the fuels uraniumNatural radioactive element with the atomic number 92. The n... and plutoniumPlutonium - the 94th element in the classification of elemen... as exemplified by the PUREX processProcess for the reprocessing of spent nuclear fuel to separa.... The aqueous solution of fuelSee 'nuclear fuel'. and fission productsNuclides generated by fission or subsequent radioactive deca... is placed in homogenous contact with an organic solution which is insoluble in water. The organic solvent in the PUREX processProcess for the reprocessing of spent nuclear fuel to separa... consists of a mixture of tributylphosphate (TBPSee tributyl phosphate.) and keroseneMixture of various hydrocarbon compounds, main component is .... In extraction according to the PUREX processProcess for the reprocessing of spent nuclear fuel to separa..., advantage is taken of the fact that the substances uranyl nitrateFinal product of reprocessing, UO2 (NO3)2, acid uranium solu... and plutoniumPlutonium - the 94th element in the classification of elemen... nitrate included in the aqueous solution are readily soluble in the mixture of TBPSee tributyl phosphate. and keroseneMixture of various hydrocarbon compounds, main component is ... whereas the fission productsNuclides generated by fission or subsequent radioactive deca... in this organic phase are practically insoluble. The separation is effected in extractors, i.e. apparatuses in which the two phases are collided in countercurrents, intensively mixed and separated again in settling chambers.
Extraction principle