METHOD FOR DECONTAMINATION OF METALS AND ALLOYS WITH SURFACE RADIOACTIVE CONTAMINATION Russian patent published in 1996 - IPC

Abstract RU 2061267 C1

FIELD: technology of contamination. SUBSTANCE: surface of contaminated metal is covered with halides of metals, resulting in eutectic. Then, method involves heating to temperature that is higher than temperature for generation of eutectic and subsequent cooling. Layer of produced corrosion is removed from surface of metal. Mix of sodium, potassium, lithium or calcium chlorides is used as halides. Metal halides are ground to particles of 0.1 mm before their application to contaminated surface. Surface to be contaminated may be moistened by petroleum product, for example, by oil. EFFECT: decontamination of stainless heat-resistant steel. 7 cl, 1 dwg

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RU 2 061 267 C1

Authors

Isakov Mikhail Grigor'Evich

Jurlov Boris Dmitrievich

Dates

1996-05-27—Published

1994-01-25—Filed