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有色金属(冶炼部分):2020,(10):55-59
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亚硫酸铵还原浸出电解锰阳极泥中锰和硒的研究
覃兆财1, 明宪权2, 李春霞2, 粟海锋1
(1.广西大学化学化工学院;2.中信大锰矿业有限责任公司)
Leaching of Manganese and Selenium from Electrolytic Manganese Anode Slime with Ammonium Sulfite as Reducing Agent
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投稿时间:2020-06-30     修订日期:2020-07-03     录用日期:2020-07-05     网络发布日期:2020-09-17
中文摘要: 研究了以亚硫酸铵为还原剂,在酸性条件下从电解锰阳极泥中浸出锰和硒的工艺。考察了浸出温度、硫酸浓度、亚硫酸铵用量及反应时间对锰和硒浸出率的影响。结果表明,在硫酸浓度1.69 mol/L、反应时间30 min、浸出温度30 ℃和还原剂用量为12.0 g的条件下,锰和硒的浸出率分别达到98.78%和93.94%。
中文关键词: 电解锰阳极泥  亚硫酸铵  浸出  锰  硒
Abstract:The process to leach manganese and selenium from electrolytic manganese anode slime with acidic ammonium sulfite as reducing agent was studied. Effects of leaching temperature, sulfuric acid concentration, ammonium sulfite dosage and reaction time on leaching rate of manganese and selenium were investigated. The results show that leaching rate of manganese and selenium is 98.78% and 93.94% respectively under the conditions including sulfuric acid concentration of 1.69 mol/L, reaction time of 30 min, leaching temperature of 30 ℃, and reductant dosage of 12.0 g.
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基金项目:广西自然科学基金重点项目(2018GXNSFDA281018);广西科技重大专项(桂科AA18118052, 桂科AA19182015);崇左市科技计划项目(崇科FA2018001)
引用文本:
覃兆财,明宪权,李春霞,粟海锋.亚硫酸铵还原浸出电解锰阳极泥中锰和硒的研究[J].有色金属(冶炼部分),2020(10):55-59.
QIN Zhao-cai,MING Xian-quan,LI Chun-xia,SU Hai-feng.Leaching of Manganese and Selenium from Electrolytic Manganese Anode Slime with Ammonium Sulfite as Reducing Agent[J].Nonferrous Metals (Extractive Metallurgy),2020(10):55-59.

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