| 摘要 |
<p>Metal ores, e.g. those of U, Cu, Ni or Au, are leached in heaps, tips, cases or similar containers with acidic or alkaline solvents, or water, while employing electric current. The method is partic. suitable for obt. economically useful amts. of electrode ore sludge from crude materials contg. small amts. of ore.</p> |
