| 摘要 |
A method and process arrangement of separating indium and arsenic from a zinc-containing starting material, comprising - low acid leaching, wherein the starting material is contacted with a first leaching liquor for obtaining a first leach solution comprising in leached form a first part of arsenic and zinc, - solid-liquid separation for separating solid matter from the first leach solution, - high acid leaching, wherein the solid matter is contacted with a second leaching liquor for obtaining a second leach solution comprising in leached form indium and a second part of zinc and arsenic and separating and recovering indium from the second leach solution. |
