| 摘要 |
<p>PURPOSE: A method for collecting valuable metal from nickel matte using an atmospheric direct leaching process is provided to collect Ni, Co(Cobalt), and Cu from nickel matte without a pressure vessel by an atmospheric pressure direct leaching method. CONSTITUTION: A method for collecting valuable metal from nickel matte using an atmospheric direct leaching process comprises following steps. A nickel matte is pulverized(S100). First leaching solution is put into a reaction bath under atmospheric pressure, temperature is maintained at 80~85°C, and the pulverized nickel matte and oxygen are put into a reactor(S200). The first leaching solution is divided into the leached residue and leachate(S300). The second leaching solution is put into the reactor and is maintained at 90~95°C, and the leached residue and oxygen are put into the reactor(S400). The second leaching solution is divided into the final leached residue and the final leachate(S500).</p> |
