| 摘要 |
<p>A process for purifying aqueous solutions of zinc sulphate removed from leaching processes and containing metals such as Cu, Cd, Ti, Ni, Co, Ge, As, Sb which consists in cementing said metals with zinc dust and with a couple of activators chosen between Cu-As and Cu-Sb in one or more reaction vessels having a bottom portion of cylindrical shape, an intermediate portion of cone frustum shape, and a top portion having an enlarged section thereof.</p> |
