Method for the chemical decontamination of large components and

Details Method for the chemical decontamination of large components and Method for the chemical decontamination of large components and

1985-10-18

1990-07-17

Maples, John S.

Induced nuclear reactions: processes, systems, and elements

Fission reactor material treatment

Impurity removal

252626, 134 2, 210760, G21F 900, C23G 100

Patent

active

049425943

ABSTRACT:
Chemical decontamination of large components and systems of metallic materials of nuclear reactors with a liquid reactor coolant, wherein the treatment is carried out by means of an aqueous solution of oxidizing chemicals which is moved through the large components and systems to be decontaminated. Nitrates, chromates or Ce-IV salts are added as oxidizing chemicals in the particularly borate-containing primary coolant and also an addition of ozone is used.

REFERENCES:
patent: 4162229 (1979-07-01), Loewenschuss
patent: 4226640 (1980-10-01), Bertholdt
patent: 4284428 (1981-08-01), Canning, Jr.
patent: 4287002 (1981-09-01), Torok
patent: 4481090 (1984-11-01), Childs
patent: 4685971 (1987-08-01), Murray et al.

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