| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To improve the reduction efficiency of Fe304 compared with the reduction by coke of slag produced on a period in copper converter operation as the conventional method, further to improve the recovery rate of Cu components, and to reduce the quantity of exhaust gas at the outlet of the furnace. <P>SOLUTION: In the method of recovering copper from copper converter slag, metallic grains comprising, by mass,≥70% solid Fe and 1 to 5% C are added to slag in a molten state produced in a slag-making period in copper converter operation, so that Fe3O4 is reduced to FeO, and further, copper components are recovered. <P>COPYRIGHT: (C)2004,JPO</p> |
