COMPOUND FOR DECONTAMINATING EQUIPMENT POLLUTED WITH NUCLEAR FUEL COMPONENTS Russian patent published in 1998 - IPC

FIELD: nuclear power engineering. SUBSTANCE: compound has in its composition polyvinyl alcohol, alkali metal hydroxide, 1-hydroxyethylidenedihypophosphoric acid, carboxylmetryl cellulose, and lignin in the following proportion of ingredients, mas.%: polyvinyl alcohol, 10-12.5; NaOH.KOH, 5-10; 4-hydroxyethylidenedihypophosphoric acid, 1-2; carboxylmethyl cellulose, 0.5-1; lignin, 4-6; water, the balance. EFFECT: improved decontaminating efficiency, facilitated procedure due to simplified waste recovery process, reduced amount of liquid radioactive wastes. 3 tbl