Title:
DISPOSAL METHOD FOR LOW LEVEL RADIOACTIVE WASTE USING SUPERCRITICAL WATER
Document Type and Number:
Japanese Patent JP3847632
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a disposal method for low level radioactive waste that can dispose of low level radioactive waste through total volume reduction and detoxification by decomposing a fire-resistant substance therein.
SOLUTION: The disposal method for low level radioactive waste uses ruthenium (IV) oxide as a catalyst in supercritical water to transform a macromolecular compound into gas and transform a deposited radioactive iron content and cobalt into an insoluble oxide, which is next vitrified before disposed of.
Inventors:
Park Satoshi
Hiroshi Tomiyasu
Wataru Sugiyama
Hiroshi Tomiyasu
Wataru Sugiyama
Application Number:
JP2002028934A
Publication Date:
November 22, 2006
Filing Date:
February 06, 2002
Export Citation:
Assignee:
Park Satoshi
Hiroshi Tomiyasu
Chubu Electric Power Co., Inc.
Hiroshi Tomiyasu
Chubu Electric Power Co., Inc.
International Classes:
G21F9/30; B01J3/00; B01J23/46; G21F9/16; (IPC1-7): G21F9/30; B01J3/00; B01J23/46
Domestic Patent References:
| JP11038188A | ||||
| JP61040596A | ||||
| JP1038532B2 | ||||
| JP61286231A | ||||
| JP2001091697A | ||||
| JP10230171A | ||||
| JP200061423A |
Attorney, Agent or Firm:
Koichiro Suda
Motoya Suda
Motoya Suda