| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a method for effectively separating and collecting individual metal elements from a raw material containing a plurality of rare metal elements such as rare earth elements, and to provide a separating device. <P>SOLUTION: The method for separating the metal element includes: the first heating step of heating the raw material containing the plurality of the metal elements in an atmosphere of chlorine, and volatilizing at least one metal element as a chloride from the raw material; and the second heating step of heating the raw material in an atmosphere of chlorine at a temperature higher than that in the first heating step and, volatilizing at least one metal element as a chloride from the raw material, after the first heating step. The separating device shall enable the method to be conducted. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
