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Patent Searching and Data


Title:
プルトニウムまたはプルトニウム合金の溶解方法
Document Type and Number:
Japanese Patent JP4860040
Kind Code:
B2
Abstract:
The present invention relates to a process to dissolve plutonium or a plutonium alloy, by placing it in contact with an aqueous dissolution mixture, wherein said dissolution mixture comprises nitric acid, a carboxylic acid with complexing properties with respect to plutonium, and a compound comprising at least one -NH2 radical such as urea.The invention also relates to a process to convert plutonium or a plutonium alloy into plutonium oxide and to manufacture nuclear fuel from said oxide.The invention particularly applies to the dismantling of plutonium contained in nuclear weapons with a view to its use in civilian nuclear reactors, particularly in the form of MOX fuel.

Inventors:
Jean-Marc Adne
Jack Borju
Pascal broth
Philip Brossard
Application Number:
JP2000554891A
Publication Date:
January 25, 2012
Filing Date:
June 17, 1999
Export Citation:
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Assignee:
INSERM(INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE)
International Classes:
C22B60/04; C01G56/00; C22B3/04; C22B3/06; C22B60/02; C23F1/30; G21C19/38; G21C19/46; G21F9/28; G21F9/30
Domestic Patent References:
JPS406679B1
JPS376799B1
JPH09318791A1997-12-12
JPH01316690A1989-12-21
JP2002518591A2002-06-25
JPS623694A1987-01-09
JPH02226100A1990-09-07
JPS5795833A1982-06-14
JPS5698685A1981-08-08
JPS55151298A1980-11-25
JPS53124200A1978-10-30
JPH11174194A1999-07-02
JPH08278395A1996-10-22
JPH09171090A1997-06-30
JPH0755992A1995-03-03
JPH01203228A1989-08-16
Foreign References:
US5135728A1992-08-04
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama
Shinya Mitsuhiro