Method for decontaminating radioactively contaminated surfaces o

Details Method for decontaminating radioactively contaminated surfaces o Method for decontaminating radioactively contaminated surfaces o

1984-09-20

1990-02-20

Fisher, Richard V.

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

134 31, 134 41, 252626, C23G 102

Patent

active

049023519

ABSTRACT:
The present invention relates to a method for decontaminating radioactively contaminated surfaces of metallic materials with the use of nitric acid and hydrofluoric acid. The surfaces to be decontaminated are subjected to a vapor mixture of water vapor, hydrogen fluoride and nitric acid vapor.

REFERENCES:
patent: 1373573 (1921-04-01), Sorenson
patent: 3598741 (1971-08-01), Kanno
patent: 3992313 (1976-11-01), Anderson et al.
patent: 4400289 (1983-08-01), Geldner et al.
Moldenhawer, Kernenergie, "Kontamination und Dekontamination von Oberflachen", vol. 5, 1962, pp. 585-600.

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