Process and apparatus for decontaminating plant parts contaminat

Details Process and apparatus for decontaminating plant parts contaminat Process and apparatus for decontaminating plant parts contaminat

1985-01-25

1989-01-24

Terapane, John F.

Induced nuclear reactions: processes, systems, and elements

Fission reactor material treatment

Impurity removal

376310, 51321, 51425, B24C 100

Patent

active

048000639

ABSTRACT:
A process and apparatus for decontaminating parts of nuclear power plants which are contaminated with radioactive material, wherein surface layers are removed from the parts. The parts to be decontaminated are treated with a jet of pressurized water which contains a granular abrasive and which may contain admixed air. The mixed effluent consisting of water, abrasive and detached particles is separated into an aqueous phase and a sludge phase, the sludge phase is dried, and the resulting dry material is separated into abrasive and particles smaller in diameter than the abrasive. The purified abrasive is recycled to the water for forming the jet of water under pressure, and the separated particles are made available for safe disposal.

REFERENCES:
patent: 3895465 (1975-07-01), Korn et al.
Osterhout, Marilyn M., ed., "Decontamination and Decommissioning of Nuclear Facilities" (New York; Plenum Press), 1980, pp. 38, 39, 43.

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