FIELD: recovery of radioactive waste. SUBSTANCE: filter-perlitic pulps are hardened by including them in bitumen. To this end, filter-perlitic material is pre-crushed to loose weight of 0.45-0.60 g/cu.cm and pulp is introduced in molten bitumen and discharged to river. Compound obtained has filling degree for radioactive waste of 40-45 mass percent. EFFECT: facilitated procedure. 1 tbl
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