FIELD: physics.
SUBSTANCE: said utility invention relates to the nuclear equipment, in particular, to the processing of solid radioactive waste and may be used in the radiochemical technology for reprocessing of spent nuclear fuel. Extractant monosolvate with the nitric acid is obtained by treating the extractant with concentrates obtained by evaporation of water process nitric-acid solutions; extraction of actinide elements is carried out, and the raffinate obtained after the extraction is sent for the dissolution of the spent fuel and extraction of actinides with organic extractants.
EFFECT: decreases volume of liquid radioactive waste.
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