| 铜闪速炉烟灰硫酸化焙烧后焙砂浸出试验研究 |
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| 引用本文： | 吴军,宋祥莉,姜国敏.铜闪速炉烟灰硫酸化焙烧后焙砂浸出试验研究[J].有色金属(冶炼部分),2012(5):5-7. |
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| 作者姓名： | 吴军 宋祥莉 姜国敏 |
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| 作者单位： | 1. 江西铜业股份有限公司贵溪冶炼厂,江西贵溪,335424
2. 江西理工大学,江西赣州,341000 |
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| 摘 要： | 考察了搅拌速度、浸出时间、初始硫酸浓度、浸出温度、液固质量比等条件对稀硫酸浸出铜闪速炉烟灰硫酸化焙烧所得焙砂的影响。结果表明,在下述最佳浸出条件下:搅拌速度400r/min、浸出时间70min、初始硫酸浓度0.8mol/L、浸出温度60℃、液固质量比5∶1,铜、铁、砷、铟等有价金属浸出率均在90%以上。
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| 关 键 词： | 铜闪速炉烟灰 硫酸化焙烧 浸出 铜 铁 砷 铟 |
| 收稿时间： | 3/28/2012 8:59:54 AM |
| 修稿时间： | 3/28/2012 8:59:54 AM |
Study on Leaching of Calcine from Sulphating Roasting Dust of Copper Flash Smelting Furnace |
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| Wujun,songxiangli,jiangguomin.Study on Leaching of Calcine from Sulphating Roasting Dust of Copper Flash Smelting Furnace[J].Nonferrous Metals(Extractive Metallurgy),2012(5):5-7. |
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| Authors: | Wujun songxiangli jiangguomin |
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| Affiliation: | Guixi Smelter,Jiangxi Copper Corporation,Guixi,, |
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| Abstract: | The effects of agitation rate,leaching time,initial sulfuric acid concentration,leaching temperature and ratio of liquid to solid(L/S) on leaching of calcine from sulfating roasting dust of flash smelting furnaces were investigated.The results indicate that the leaching rates of Cu,Fe,As and In are above 90% under the optimum conditions including agitation rate of 400 r/min,leaching time of 70 min,initial sulfuric acid concentration of 0.8 mol/L,leaching temperature of 60 ℃,and L/S of 5∶1. |
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| Keywords: | dust of flash smelting furnace sulphating roasting leaching Cu Fe As In |
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