FIELD: radioactive waste processing.
SUBSTANCE: invention relates to a technology for the processing of radioactive waste, in particular a spent extraction mixture contaminated with radioactive impurities based on tributyl phosphate in an inert diluent. The method for processing the spent extraction mixture based on tributyl phosphate includes heat treatment of the extraction mixture in the presence of the decomposition product of tributyl phosphate - a twofold molar excess of circulating phosphoric acid at a temperature of 190÷210°C for 10÷30 minutes.
EFFECT: invention makes it possible to completely destroy the structure of tributyl phosphate at a temperature of 190°-210°C.
1 cl, 3 tbl
| Title | Year | Author | Number |
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| METHOD OF PROCESSING RARE-EARTH ELEMENTS CONCENTRATE | 2015 |
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| EXTRACTION MIXTURE FOR THE RECOVERY OF TPE AND REE FROM HIGH-ACTIVE RAFINAT OF NPP SNF PROCESSING AND THE METHOD OF ITS USE (VERSIONS) | 2016 |
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| RECOVERY METHOD OF DEGRADED REVERSE EXTRAGENT | 2011 |
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