Radioactive substance decontamination method and apparatus

Details Radioactive substance decontamination method and apparatus Radioactive substance decontamination method and apparatus

2005-06-21

2005-06-21

Silverman, Stanley S. (Department: 1754)

Cleaning and liquid contact with solids

Apparatus

Operating or controlling device engaged and moved by work or...

C134S084000, C134S085000, C134S104400, C588S001000, C376S309000, C376S310000, C976SDIG003

Reexamination Certificate

active

06907891

ABSTRACT:
A radioactive substance decontamination method and apparatus which decontaminates a metal member contaminated by radioactive substance in a short period of time. This apparatus has (1) multiple reducing decontamination tanks having different radiation control values; (2) a carrier for immersing the metal member into the multiple reducing decontamination tanks and a washing tank; (3) a tube for transferring into the second reducing decontamination tank the reducing decontamination agent in the first reducing decontamination tank; (4) a reducing agent decomposer for decomposing a component contained in the reducing decontamination agent of the reducing decontamination tank where the radiation control value is the highest out of the reducing decontamination tanks connected by the tube; and (5) a washing tank for washing the reducing decontamination agent deposited on the decontaminated metal member.

REFERENCES:
patent: 4478060 (1984-10-01), Grunewald
patent: 4690782 (1987-09-01), Lemmens
patent: 5386078 (1995-01-01), Hanulik
patent: 1224025 (1987-07-01), None
patent: 7-253496 (1996-10-01), None
patent: 9-510784 (1997-10-01), None
patent: 2000-105295 (2000-04-01), None
patent: 2000-346988 (2000-12-01), None
patent: 2001-74887 (2001-03-01), None
patent: WO95/26555 (1995-10-01), None

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