METHOD OF EXTRACTION TREATMENT OF HIGHLY ACTIVE WASTES WITH FRACTIONATION OF RADIOACTIVE NUCLIDES Russian patent published in 2013 - IPC G21F9/00 

Abstract RU 2474895 C1

FIELD: process engineering.

SUBSTANCE: proposed method comprises treatment of radioactive wastes solutions by alkaline metal hydroxides or carbonates to pH 1, extraction of tri-n butyl phosphate in inert diluter to convert rare-earth and transplutonium elements into extracts and their separation from cesium-strontium fraction, flushing of said extract by solution of aluminium nitrate and adding flushing solution to feed water. Hydrogen peroxide is added to radioactive wastes solution at neutralisation stage.

EFFECT: higher reliability of treatment.

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RU 2 474 895 C1

Authors

Gavrilov Petr Mikhajlovich

Revenko Jurij Aleksandrovich

Alekseenko Sergej Nikolaevich

Alekseenko Vladimir Nikolaevich

Bondin Vladimir Viktorovich

Bychkov Sergej Ivanovich

Krivitskij Jurij Grigor'Evich

D'Jachenko Anton Sergeevich

Dates

2013-02-10Published

2011-10-18Filed