Chlorination of uranium oxides with CCl4 using a mechanochemical method

Shinichi Kitawaki; Takayuki Nagai; Nobuaki Sato

doi:10.1016/j.jnucmat.2013.03.017

Chlorination of uranium oxides with CCl₄ using a mechanochemical method

Shinichi Kitawaki, Takayuki Nagai, Nobuaki Sato

Division of Process and System Engineering

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

A chlorination method for uranium oxides at low temperature was investigated by using a mechanochemical method. In particular, the possibility of the chlorination of uranium oxides, such as UO₂ and U ₃O₈, via mechanochemical reaction with CCl₄ was studied using a planetary ball mill. Mechanochemical experiments were conducted to evaluate the effect of milling time, CCl₄/uranium oxide molar ratio, and revolution speed on the reaction. The synthesized products were then subjected to X-ray diffraction analysis, and it was found that the chlorination of U₃O₈ with CCl₄ to UOCl₂, UCl ₄, and U₂O₂Cl₅ proceeded. However, the chlorination reaction could not be observed when using UO₂ powder as the raw material.

Original language	English
Pages (from-to)	212-216
Number of pages	5
Journal	Journal of Nuclear Materials
Volume	439
Issue number	1-3
DOIs	https://doi.org/10.1016/j.jnucmat.2013.03.017
Publication status	Published - 2013 May 14

ASJC Scopus subject areas

Nuclear and High Energy Physics
Materials Science(all)
Nuclear Energy and Engineering

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title = "Chlorination of uranium oxides with CCl4 using a mechanochemical method",

abstract = "A chlorination method for uranium oxides at low temperature was investigated by using a mechanochemical method. In particular, the possibility of the chlorination of uranium oxides, such as UO2 and U 3O8, via mechanochemical reaction with CCl4 was studied using a planetary ball mill. Mechanochemical experiments were conducted to evaluate the effect of milling time, CCl4/uranium oxide molar ratio, and revolution speed on the reaction. The synthesized products were then subjected to X-ray diffraction analysis, and it was found that the chlorination of U3O8 with CCl4 to UOCl2, UCl 4, and U2O2Cl5 proceeded. However, the chlorination reaction could not be observed when using UO2 powder as the raw material.",

author = "Shinichi Kitawaki and Takayuki Nagai and Nobuaki Sato",

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T1 - Chlorination of uranium oxides with CCl4 using a mechanochemical method

AU - Kitawaki, Shinichi

AU - Nagai, Takayuki

AU - Sato, Nobuaki

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N2 - A chlorination method for uranium oxides at low temperature was investigated by using a mechanochemical method. In particular, the possibility of the chlorination of uranium oxides, such as UO2 and U 3O8, via mechanochemical reaction with CCl4 was studied using a planetary ball mill. Mechanochemical experiments were conducted to evaluate the effect of milling time, CCl4/uranium oxide molar ratio, and revolution speed on the reaction. The synthesized products were then subjected to X-ray diffraction analysis, and it was found that the chlorination of U3O8 with CCl4 to UOCl2, UCl 4, and U2O2Cl5 proceeded. However, the chlorination reaction could not be observed when using UO2 powder as the raw material.

AB - A chlorination method for uranium oxides at low temperature was investigated by using a mechanochemical method. In particular, the possibility of the chlorination of uranium oxides, such as UO2 and U 3O8, via mechanochemical reaction with CCl4 was studied using a planetary ball mill. Mechanochemical experiments were conducted to evaluate the effect of milling time, CCl4/uranium oxide molar ratio, and revolution speed on the reaction. The synthesized products were then subjected to X-ray diffraction analysis, and it was found that the chlorination of U3O8 with CCl4 to UOCl2, UCl 4, and U2O2Cl5 proceeded. However, the chlorination reaction could not be observed when using UO2 powder as the raw material.

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