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本发明是把含有镍、钴、铬、铁的冶炼产品(如镍铁合金)中的各种金属与铁分离开来的方法。可以用湿法冶炼制取纯镍,在这种方法中,采用由可溶性硫化物构成的可溶性阳极,或者化学溶解这种硫化物並将其净化成电解液。
The present invention is a method for separating various metals from iron in smelting products containing nickel, cobalt, chromium, and iron such as nickel-iron alloy. Pure nickel can be produced by hydrometallurgy. In this method, a soluble anode made of soluble sulphide is used, or the sulphide is chemically dissolved and purified into an electrolyte.