Low Temperature Chlorination of Nd<sub>2</sub>O<sub>3</sub> by Mechanochemical Method with CCl<sub>4</sub> — Oak Academic Publishing
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Low Temperature Chlorination of Nd<sub>2</sub>O<sub>3</sub> by Mechanochemical Method with CCl<sub>4</sub>
Nuclear Fuel Cycle Engineering Laboratories, Japan Atomic Energy Agency, Naka, Japan
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Nuclear Fuel Cycle Engineering Laboratories, Japan Atomic Energy Agency, Naka, Japan; Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, Japan
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Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, Japan
1 Nuclear Fuel Cycle Engineering Laboratories, Japan Atomic Energy Agency, Naka, Japan
2 Nuclear Fuel Cycle Engineering Laboratories, Japan Atomic Energy Agency, Naka, Japan; Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, Japan
3 Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, Japan
For a chlorinating method at low temperature, the possibility of chlorination of Nd 2 O 3 by a mechanochemical reaction with CCl 4 was studied using a planetary ball mill. The mechanochemical experiments were conducted by changing the pot materials, milling time, molar ratio of CCl 4 /Nd 2 O 3 , and revolution speed. As the results of obtained products by X-ray diffractometry and Raman spectroscopy, it was confirmed that the chlorination to NdOCl from Nd 2 O 3 with CCl 4 was advanced at room temperature in a zirconia or tungsten pot with balls. We found that an extension of the milling time and an increase of the number of ball were effective to the chlorination to NdOCl and that tensile stress remained in the milled powder by using a planetary ball mill.
KeywordsMechanochemical MethodCarbon TetrachlorideNeodymium OxideLow Temperature ChlorinationNeodymium OxychlorideXRDRAMAN Spectroscopy
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