Method for recycling copper in wet process zinc smelting copper slag
The invention provides a method for recycling copper in wet process zinc smelting copper slag. The method comprises the following steps of firstly, primary slurrying, secondly, secondary slurrying andball milling, thirdly, third-time slurrying, and one-segment leaching; fourthly, fourth-time slurryi...
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| creator | WANG DENGJUN SHENG HAIPING ZHAO BENJIE LIU SHENGLEI REN BOFENG TANG JINYUE |
| description | The invention provides a method for recycling copper in wet process zinc smelting copper slag. The method comprises the following steps of firstly, primary slurrying, secondly, secondary slurrying andball milling, thirdly, third-time slurrying, and one-segment leaching; fourthly, fourth-time slurrying, and second-segment leaching; fifthly, dechlorinating; and sixthly, electrodeposition. O2+H2O2 serves as an oxidizing agent, through adjusting of the process sequence and the oxidizing leaching step, Cu, CuS and CuCl are effectively oxidized through one step, meanwhile, Cl- in the CuCl is released, Cu(powder) is adopted for removing Cl- until being blow 0.3g/l, the cooled and purified electric pregnant solution is subjected to electrodeposition to produce the cathode copper, according to theelectrodeposition density difference under the different copper ion concentration conditions, the segmented electrodeposition is developed, and the copper metal leaching rate is above 97%.
本发明提供一种湿法炼锌铜渣中回收铜的方法，包括如下步骤：步骤1)一次浆化 |
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本发明提供一种湿法炼锌铜渣中回收铜的方法，包括如下步骤：步骤1)一次浆化</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | APPARATUS THEREFOR CHEMISTRY ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FERROUS OR NON-FERROUS ALLOYS METALLURGY PRETREATMENT OF RAW MATERIALS PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | Method for recycling copper in wet process zinc smelting copper slag |
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