Technological condition in slurry electrolysis of high-silver galena concentrate |
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引用本文: | 陈凌,杨显万,司云森,张英杰. Technological condition in slurry electrolysis of high-silver galena concentrate[J]. 中国有色金属学会会刊, 2002, 12(2): 344-348 |
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作者姓名: | 陈凌 杨显万 司云森 张英杰 |
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作者单位: | [1]FacultyofMaterialandMetallurgyEngineering,KunmingUniversityofScienceandTechnology,Kunming650093,China; [2]FacultyofScience,KunmingUniversityofScienceandTechnology,Kunming650093,China |
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摘 要: | Effects of various technological conditions such as ρ(C1^- ), ρ(Fe)T, pH value and temperature on the cell voltage, lead leaching rate and the cathodic current efficiency of the slurry electrolysis of high-silver galena concentrate were studied, and the behavior regularity of lead and silver was investigated. As a result, the suitable condition was determinedas, ρ(C1^-)230g/L, ρ(Fe)T15g/L, pH 1, temperature 70℃, electrolysis time 6h. Under such condition,adopting the cathodic current density of 150 A/m2 and the liquid-solid ratio of 15 : 1, lead powder with a purity degree of 91. 18% was got. At the same time, leaching rate of lead, leaching rate of silver and cathodic current efficiency amounted to 96.88%, 70.88% and 75.68% respectively.
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关 键 词: | 技术条件 泥浆电解 富银方铅矿 浓缩 |
Technological condition in slurry electrolysis of high-silver galena concentrate |
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Abstract: | |
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Keywords: | slurry electrolysis technological condition galena |
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