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2 210 123

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Application

2001128633/06, 2001-10-24

(24)

Start date

2001-10-24

(22)

Actual filing date

2001-10-24

(45)

Published

2003-08-10

(72)

Inventor

Emets E.P.Poluehktov P.P.Simonov V.P.Khrabrov S.L.Kabanov A.B.

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Nauchno-Issledovatel'Skij Institut Neorganicheskikh Materialov Im. Akad. A.A. Bochvara"

METHOD OF CLEANING METALLIC SURFACES FROM RADIOACTIVE CONTAMINANTS Russian patent published in 2003 - IPC

Abstract RU 2210123 C2

FIELD: nuclear engineering. SUBSTANCE: invention relates to surfaces contaminated with strongly fixed radionuclides and comprises formation of easy-to-remove polymer film on surface to be cleaned. Film-forming composition contains water-soluble film-former, plasticizer, surfactant, and mineral acids in amounts providing pH of solution within 0.5 to 2 range. Deactivation is performed under anode polarization of surface at density of passed current 0.2 to 7,5 A/sq.dm. Hardened polymer film is removed together with radionuclides fixed therein. EFFECT: enabled efficient cleaning without formation of liquid effluents. 3 cl, 5 tbl

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RU 2 210 123 C2

Authors

Emets E.P.

Poluehktov P.P.

Simonov V.P.

Khrabrov S.L.

Kabanov A.B.

Dates

2003-08-10—Published

2001-10-24—Filed

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