Resource recovery process for copper dross
The invention provides a resource recovery process of copper dross. The resource recovery process of the copper dross comprises the following steps: melting the copper dross in a converter to remove elements such as lead and copper in the dross; the residual metal is dissolved and filtered to obtain...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention provides a resource recovery process of copper dross. The resource recovery process of the copper dross comprises the following steps: melting the copper dross in a converter to remove elements such as lead and copper in the dross; the residual metal is dissolved and filtered to obtain filter residues and filtrate C, iron residues are separated from the filter residues, the residual product is a mixture A, the mixture A is used for casting an anode plate, the mixture A and the filtrate C are sent to an electrolysis system together for electrolysis, the anode plate is obtained through the electrolysis system, silver powder and anode mud are produced, the anode mud is sent to a gold production system, and gold is obtained through the gold production system. Valuable metal can be further recycled, and the method has the advantages that resources are better utilized, energy is saved, the process is short, the technology is simple, production efficiency is improved, and production cost is reduced.
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