METHOD OF PROCESSING RADIOACTIVE BOTTOM SEDIMENTS Russian patent published in 2016 - IPC G21F9/00 

FIELD: ecology.

SUBSTANCE: invention relates to environmental protection, it is aimed at preservation of natural resources and protection of human environment, invention can be used for localization of radioactive wastes, particularly of bottom sediments, contaminated with radionuclides. Method of processing radioactive bottom sediments includes their mixing with substance, providing their conclusion in ceramic matrix, and holding until final setting. Wherein mixing of components is performed simultaneously at direct filling container with matrix materials and bottom deposits in form of suspensions. As substance providing conclusion of bottom deposits in form of ceramic matrix, such binders are used as water, potassium dihydrogen phosphate, magnesium oxide, phosphorus containing modifier, in following ratio, wt%: bottom deposits 2.5; KH₂PO₄ 3; H₂O 2; MgO 1; phosphorus containing modifier 0.0425. Water preliminarily cooled to 8-10 °C can be used in method.

EFFECT: technical result is increased environmental safety of storage of radioactive bottom sediments due to increase efficiency of waste mixing process, optimization of their curing time and reducing rate of leaching of radionuclides from matrix.

1 cl, 1 dwg, 3 tbl, 1 ex