Title:
DISPOSAL METHOD FOR RADIOACTIVE GRAPHITE WASTE
Document Type and Number:
Japanese Patent JP3043185
Kind Code:
B2
Abstract:
PURPOSE: To provide a method which can reduce in volume radioactive graphite waste such as the sleeve of an used fuel bar and graphite blocks at a core substantially, and can bury them underground so as to dispose of them.
CONSTITUTION: Radioactive graphite waste is crushed, and is burnt out at the temperature of 800 to 1200°C by an incinerator 2 while C-14 and H-3 are being formed into CO2, and H2O, so that they are singly recovered in a gasous form by a CO2 absorbing tower. Residues from the incinerator 2 and material recovered are set up using cement and the like, and are buried underground so as to be disposed of.
Inventors:
Koya Teshima
Application Number:
JP24481692A
Publication Date:
May 22, 2000
Filing Date:
September 14, 1992
Export Citation:
Assignee:
Nippon Insulator Co., Ltd.
International Classes:
G21F9/30; G21F9/32; (IPC1-7): G21F9/32; G21F9/30
Domestic Patent References:
| JP3179299A | ||||
| JP5455297A |
Attorney, Agent or Firm:
Akio Najima (2 others)