… The gold contained in copper ore and in the silicate ore used in copper smelting is almost entirely concentrated in the copper during the manufacturing process. In the final step of copper smelting, the electrolytic refining process, it is separated from the copper along with silver and other precious metals and recovered as anode slime. It is also recovered as a by-product in the refining of crude lead. … *Some of the terminology explanations that mention "anode slime" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… 銅の鉱石中に含まれる金,および銅の溶錬の際に使用されるケイ酸塩鉱中の金は,その製造工程中でほとんどすべて銅の中に濃縮される。そして銅製錬の最終工程である電解精製工程において,銀その他貴金属とともに銅から分離され,陽極泥(アノードスライム)として回収される。また粗鉛の精製時の副産物としても回収される。… ※「アノードスライム」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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