湿法冶金
濕法冶金
습법야금
HYDROMETALLURGY OF CHINA
2015年
3期
186-189
,共4页
湿法炼锌%净液渣%氧化浸出%电积%阴极铜
濕法煉鋅%淨液渣%氧化浸齣%電積%陰極銅
습법련자%정액사%양화침출%전적%음겁동
zinc hydrometallurgy%purification residue%oxidation leaching%electrowinning%cathode copper
研究了以湿法炼锌净液渣生产阴极铜,考察了稀硫酸浸出锌、氧化浸出铜、不溶阳极电沉积工艺条件。试验结果表明:在适宜条件下,锌浸出率达98.69%,镉浸出率96.15%,钴浸出率达70.70%;进入电积系统的铜的直收率为80.69%,电积过程铜回收率为99.68%,铜总回收率大于99%;阴极铜质量达到国家1#阴极铜(GB/T 467—2010)标准。
研究瞭以濕法煉鋅淨液渣生產陰極銅,攷察瞭稀硫痠浸齣鋅、氧化浸齣銅、不溶暘極電沉積工藝條件。試驗結果錶明:在適宜條件下,鋅浸齣率達98.69%,鎘浸齣率96.15%,鈷浸齣率達70.70%;進入電積繫統的銅的直收率為80.69%,電積過程銅迴收率為99.68%,銅總迴收率大于99%;陰極銅質量達到國傢1#陰極銅(GB/T 467—2010)標準。
연구료이습법련자정액사생산음겁동,고찰료희류산침출자、양화침출동、불용양겁전침적공예조건。시험결과표명:재괄의조건하,자침출솔체98.69%,력침출솔96.15%,고침출솔체70.70%;진입전적계통적동적직수솔위80.69%,전적과정동회수솔위99.68%,동총회수솔대우99%;음겁동질량체도국가1#음겁동(GB/T 467—2010)표준。
T he process for production of cathode copper using zinc hydrometallurgy purification residue was studied .The technological conditions of leaching zinc with dilute sulfuric acid ,oxidation leaching of copper and insoluble anode electrowinning copper were investigated .The experimental results show that the leaching rate of zinc ,cadmium and cobalt are 98 .69% ,96 .15% and 70 .70% ,respectively under the optimum conditions .The direct recovery rate of copper in electrowinning system is 80 .69% , the recovery rate of copper in electrowinning process is 99 .68% ,and the total recovery rate of copper is over 99% .Cathode copper quality meets the national standard(GB/T467—2010) .