球磨强化某锡矿尾矿中砷的浸出研究#br#

金属矿山 ›› 2026, Vol. 55 ›› Issue (3): 239-247.

球磨强化某锡矿尾矿中砷的浸出研究#br#

邵泽明¹　刘绍刚^1,2,3,4　苏伊萍¹　钟莲云^1,5,6

1. 广西民族大学化学化工学院,广西南宁 530006;2. 林产化学与工程国家民委重点实验室,广西南宁 530006;
3. 广西林产化学与工程重点实验室,广西南宁 530006;4. 林木生物质低碳高质利用广西高校工程研究中心,广西南宁 530006;
5. 广西多糖材料与改性重点实验室,广西南宁 530006;6. 广西化学与生物转化过程新技术重点实验室,广西南宁 530006

出版日期:2026-03-15 发布日期:2026-04-01
通讯作者: 钟莲云(1974—),女,副教授,博士,硕士研究生导师。
作者简介:邵泽明(2000—),男,硕士研究生。
基金资助:
广西生物多糖分离纯化及改性研究平台建设项目(编号:桂科ZY18076005);广西研究生教育创新计划项目(编号:YCBZ2025139)。

Leaching Research of Arsenic Removal from A Tin Tailings Enhanced by Ball Milling

SHAO Zeming¹　LIU Shaogang^1,2,3,4　SU Yiping¹　ZHONG Lianyun^1,5,6

1. School of Chemistry and Chemical Engineering,Guangxi Minzu University,Nanning 530006,China;
2. Key Laboratory of Chemistry and Engineering of Forest Products,State Ethnic Affairs Commission,Nanning 530006,China;
3. Guangxi Key Laboratory of Chemistry and Engineering of Forest Products,Nanning 530006,China;
4. Engineering Research Center of Low-carbon and High-quality Utilization of Forest Biomass,Nanning 530006,China;
5. Guangxi Key Laboratory of Polysaccharide Materials and Modification,Nanning 530006,China;
6. Guangxi Key Laboratory of New Technologies in Chemical and Biological Transformation Processes,Nanning 530006,China

Online:2026-03-15 Published:2026-04-01

摘要/Abstract

摘要： 为实现含砷固废的资源化利用与安全处置,以锡矿尾矿为研究对象,采用球磨—湿法协同工艺开展脱
砷研究。通过对SiO₂-As₂S₃-CaCO₃-FeS₂-H⁺ / OH^- -H₂O 体系进行热力学平衡分析,探讨了砷的溶出机理与溶解平衡规
律;系统考察了料球比、料水比、球磨时间及pH 值等工艺参数对砷浸出率的影响,并优化试验条件。结果表明:降低
料球比和料水比、延长球磨时间均有助于提高砷的浸出率;pH 值对砷溶出行为影响显著,强碱性条件(pH= 11. 0)下
砷浸出率达84. 6%。物相与微观形貌分析显示,球磨处理可在颗粒表面引入结构缺陷,使尾矿平均粒径降低、比表面
积增加,显著促进了界面传质与砷的浸出反应。本研究为典型含砷锡尾矿中砷的绿色分离提供了一条易于工业化实
现的技术路线。

Abstract: To facilitate the resource utilization and safe disposal of arsenic-bearing solid waste,this study investigates the
removal of arsenic from tin tailings using a synergistic process combining ball milling and hydrometallurgy. A thermodynamic equilibrium analysis was conducted on the SiO₂-As₂S₃-CaCO₃-FeS₂-H⁺ / OH^- -H₂O system to elucidate the leaching mechanism
and dissolution equilibrium of arsenic. The effects of key process parameters,including material-to-ball ratio,material-to-water ratio,milling time,and pH value,on arsenic leaching efficiency were systematically examined,and the experimental conditions were optimized. The results show that decreasing the material-to-ball ratio and material-to-water ratio,as well as extending the milling time,enhance arsenic leaching. pH value significantly influences arsenic dissolution behavior,with the leaching rate reaching 84. 6% under strong alkaline conditions (pH=11. 0). Phase and microstructural analyses reveal that ball milling introduces structural defects on particle surfaces,reducing the average particle size and increasing the specific surface area of the tailings,thereby significantly promoting interfacial mass transfer and arsenic leaching. This study provides a technically feasible and readily industrializable approach for the green separation of arsenic from typical arsenic-bearing tin tailings.

中图分类号:

X756

邵泽明, 刘绍刚, 苏伊萍, 钟莲云, . 球磨强化某锡矿尾矿中砷的浸出研究#br#[J]. 金属矿山, 2026, 55(3): 239-247.

SHAO Zeming, LIU Shaogang, SU Yiping, ZHONG Lianyun, . Leaching Research of Arsenic Removal from A Tin Tailings Enhanced by Ball Milling[J]. Metal Mine, 2026, 55(3): 239-247.

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