FIELD: power industry.
SUBSTANCE: method for performing initial processing stage involves putting of reactor core material to the plant, crushing of fuel particles into fragmented component parts with destruction of their coating by passing electric discharges, and separation of fragmented component parts. Plant includes liquid volume and is equipped with device for generation of electric discharges in this liquid. If reactor core material includes matrix material and fuel particles ingrained in it, then according to version of invention, the method involves additional putting of reactor core material to the second plant, passing of the second electric discharges and separation of fuel cores from coatings and/or residual matrix material. At that, liquid volume of the second plant is less than that of the first one.
EFFECT: invention allows minimising formation of toxic and explosive dust, and reducing energy consumption.
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