| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a method for separating and recovering copper, arsenic and cadmium from copper converter dust and also decreasing recovery residue. <P>SOLUTION: In the method for treating copper converter dust, the copper, arsenic and cadmium contained in the copper converter dust are separated by means of two-step sulfidizing treatment. The copper and arsenic obtained by the first-step sulfidizing treatment are recovered in a recovery step and the cadmium obtained by the second-step sulfidizing treatment is removed to the outside of the system. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
