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U.S. Department of Energy
Office of Scientific and Technical Information

Method for the chemical decontamination of nuclear reactor components

Patent ·
OSTI ID:6850504
Chemical decontamination of equipment contaminated with radioactive material, such as components and systems, particularly water-cooled nuclear reactors, by pretreating with alkaline permanganate, rinsing with demineralized water, treating with a citrate-oxalate solution, rinsing with demineralized water , and post-treating with an acidified hydrogen peroxide solution containing suspended inert particles. Solutions desirably contain no sulfur. The decontamination solution with a ph of about 3.5 and other preferred operating conditions are recited.
Assignee:
Kraftwerk Union Ag (Germany, Federal Republic Of)
Patent Number(s):
US 4226640
OSTI ID:
6850504
Country of Publication:
United States
Language:
English