Method for removing copper and recovering precious metal from high-copper lead slag through fire refining
The invention relates to a method for removing copper and recovering precious metal by fire refining of high-copper lead slag, which comprises the following process steps of: carrying out reduction smelting on the high-copper lead slag, coke and soda ash ore blending under a high-temperature conditi...
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| creator | TAO MINGGUANG WANG ZHIHE WANG JIANWEN ZHANG SHANHUI ZHANG TENG JIANG MINGHAI CHANG HAITAO ZHANG HAO HE PENG ZHAO ZHUPENG CUI JIAYOU |
| description | The invention relates to a method for removing copper and recovering precious metal by fire refining of high-copper lead slag, which comprises the following process steps of: carrying out reduction smelting on the high-copper lead slag, coke and soda ash ore blending under a high-temperature condition, feeding the produced crude antimony alloy into a refining pot, adding antimony crystal salt, producing high-copper slag and refined antimony alloy, the high-copper slag is subjected to ball milling-shaking table reselection and returns to a copper smelting system to recover copper, the refined antimony alloy is subjected to oxidation blowing to produce an antimony trioxide product and a bottom lead alloy, the bottom lead alloy is separated through a vacuum distillation furnace to produce a lead-bismuth alloy and crude silver, lead and bismuth are recovered from the lead-bismuth alloy, and gold and silver are recovered from the crude silver through a silver separation furnace. According to the method, open-circu |
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| subjects | APPARATUS THEREFOR CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS FERROUS OR NON-FERROUS ALLOYS INORGANIC CHEMISTRY METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | Method for removing copper and recovering precious metal from high-copper lead slag through fire refining |
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