FIELD: recovery of radioactive, mainly metal and fuel, solid radioactive wastes in nuclear industry.
SUBSTANCE: solid radioactive metal and fuel wastes are treated in recirculating slag melt of furnace by passing them through two separate recirculating circuits. Radioactive fuel wastes are charged for recovery in the form of solid coke residue upon pyrolytic treatment. Furnace implementing this method has additional recirculating circuit wherein melting chamber is combined with preheat and settling chambers and communicates with gas-lift chamber through L-shaped heat-generating channel. In this way two different kinds of wastes are recovered at a time in single unit.
EFFECT: enhanced specific productivity, reduced power requirement for recovering radioactive wastes.
2 cl, 1 dwg
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