| 热镀锌渣中浸渣硫酸浸出锌的工艺研究 |
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| 引用本文： | 伍永国,颜文斌,刘海宇,李红湘,陈蓝艳.热镀锌渣中浸渣硫酸浸出锌的工艺研究[J].矿冶工程,2020,40(4):103-105. |
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| 作者姓名： | 伍永国 颜文斌 刘海宇 李红湘 陈蓝艳 |
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| 作者单位： | 1.吉首大学 化学化工学院,湖南 吉首 416000;
2.矿物清洁生产与绿色功能材料开发湖南省重点实验室,湖南 吉首 416000;
3.化学国家级实验教学示范中心(吉首大学),湖南 吉首 416000 |
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| 基金项目： | 2018年(吉首大学)研究生科研创新实验项目 |
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| 摘 要： | 以锌含量为17.22%的热镀锌渣中浸渣为原料,在水热反应釜中以硫酸为浸出剂浸出其中锌。结果表明,最佳浸出条件为: 硫酸体积浓度15%、浸出温度180 ℃、液固比6∶1、浸出时间8 h,此条件下锌浸出率可达到99.71%; 浸渣主要成分为硫酸铝盐和硫酸钙。
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| 关 键 词： | 热镀锌渣 中浸渣 铝酸锌 硫酸 浸出 锌 |
| 收稿时间： | 2020-02-27 |
Sulfuric Acid Leaching of Zinc from Residue After Neutral Leaching of Hot Dip Galvanization Slag |
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| WU Yong-guo,YAN Wen-bin,LIU Hai-yu,LI Hong-xiang,CHEN Lan-yan.Sulfuric Acid Leaching of Zinc from Residue After Neutral Leaching of Hot Dip Galvanization Slag[J].Mining and Metallurgical Engineering,2020,40(4):103-105. |
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| Authors: | WU Yong-guo YAN Wen-bin LIU Hai-yu LI Hong-xiang CHEN Lan-yan |
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| Affiliation: | 1.College of Chemistry and Chemical Engineering, Jishou University, Jishou 416000, Hunan, China;
2.Key Laboratory of Mineral Cleaner Production and Exploit of Green Functional Materials in Hunan Province, Jishou 416000, Hunan, China;
3.National Demonstration Center for Experimental Chemistry Education (Jishou University), Jishou 416000, Hunan, China |
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| Abstract: | The residue containing 17.22% Zn obtained from neutral leaching of hot dip galvanization slag was taken as raw material and leached with sulfuric acid as the leaching agent in a hydrothermal autoclave reactor. It is shown that the leaching reaction at the temperature of 180 ℃ for 8 h, with the sulfuric acid at a volume concentration of 15% and liquid-solid ratio of 6∶1, resulted in the final leaching rate of zinc up to 99.71% and the obtained leaching residue predominately composed of aluminum sulfate and calcium sulfate. |
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| Keywords: | hot-dip galvanization slag neutral leaching residue zinc aluminate sulfuric acid leaching zinc |
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