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In order to improve the leaching efficiency of chalcopyrite, on the basis of the conventional heating leaching system, the pulse microbubble method is introduced to reduce the influence of the sulfide layer by improving the mass transfer efficiency in the leaching process. The kinetics is discussed, the morphology of the leaching residue is analyzed, and the mechanism of pulse microbubble-enhanced leaching is revealed. The results show that the pulsed microbubbles can significantly improve the leaching rate of chalcopyrite, and the increase rate rises with the decrease in microbubble size. Under the optimum conditions of conventional leaching, the copper leaching rate is only 53.6%, while under the same conditions, the copper leaching rate can increase to 62.48% and 80.40% when the pore size of the orifice plate is 94 and 75 μm, respectively. The SEM test results show that the pulsed microbubbles can effectively improve the aggregation degree and coverage area of the sulfide layer on the surface of chalcopyrite. The mechanism may be that the pulsed microbubbles have higher mass transfer efficiency and can accelerate the reaction rate. At the same time, the local high temperature and high pressure released during the burst can weaken the passivation of the sulfide layer during the leaching process, thereby improving the leaching effect of chalcopyrite.

, authors=Mengheng LUO1, 2, Siyuan YANG1, Xinghai CHEN1, 3, Lingyun HUANG2, Cheng LIU1, 2, authorsList=Mengheng LUO, Siyuan YANG, Xinghai CHEN, Lingyun HUANG, Cheng LIU, authorCompany=null, correspAuthors=Siyuan YANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1305178374482191260, articleId=1305178374029206426, tenantId=1146029695717560320, journalId=1146120122248306696, language=CN, title=脉冲微泡强化黄铜矿浸出机制研究, columnId=1152626641328501305, journalTitle=湿法冶金, columnName=试验研究, runingTitle=null, highlight=null, articleAbstract=

为提高黄铜矿浸出效率,研究了在常规加热浸出体系的基础上,引入脉冲微泡手段,通过提高浸出过程中传质效率,降低硫化层的影响。探讨了动力学,分析了浸出渣形貌,揭示了脉冲微泡强化浸出的作用机制。研究结果表明:脉冲微泡体可显著提高黄铜矿浸出率,且提升幅度随微泡尺寸减小而增加;常规浸出最佳条件下铜浸出率仅为53.6%,而在相同条件下,孔板孔径尺寸分别为94、75μm时的铜浸出率可提高至62.48%和80.40%。SEM检测结果表明,脉冲微泡可有效改善硫化层在黄铜矿表面的聚集程度与覆盖面积,其作用机制可能是由于脉冲微泡具有较高的传质效率,能使反应速率加快,同时其破灭时释放的局部高温高压能削弱浸出过程的硫化层钝化作用,从而提高黄铜矿浸出效果。

, authors=罗梦恒1, 2, 杨思原1, 陈兴海1, 3, 黄凌云2, 刘诚1, 2, authorsList=罗梦恒, 杨思原, 陈兴海, 黄凌云, 刘诚, authorCompany=null, correspAuthors=杨思原, authorNote=

罗梦恒(2001—),男,硕士,主要研究方向为湿法冶金。

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杨思原(1990—),男,博士,教授,主要研究方向为选冶联合。E-mail:
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罗梦恒(2001—),男,硕士,主要研究方向为湿法冶金。

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脉冲微泡强化黄铜矿浸出机制研究
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罗梦恒 1, 2 , 杨思原 1 , 陈兴海 1, 3 , 黄凌云 2 , 刘诚 1, 2
湿法冶金 | 试验研究 2026,45(3): 291-298
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湿法冶金 |试验研究 2026 , 45 (3) : 291 -298
脉冲微泡强化黄铜矿浸出机制研究
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罗梦恒(2001—),男,硕士,主要研究方向为湿法冶金。

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罗梦恒1, 2, 杨思原1 , 陈兴海1, 3, 黄凌云2, 刘诚1, 2
作者信息
  • 1.武汉理工大学 资源与环境工程学院,湖北 武汉 430070
  • 2.昆明理工大学 国土资源工程学院,云南 昆明 650093
  • 3.华刚矿业有限公司,北京 100039
通讯作者:
杨思原(1990—),男,博士,教授,主要研究方向为选冶联合。E-mail:
作者简介:

罗梦恒(2001—),男,硕士,主要研究方向为湿法冶金。

Intensified Leaching of Chalcopyrite by Pulsed Microbubbles and Its Mechanism
Mengheng LUO1, 2, Siyuan YANG1 , Xinghai CHEN1, 3, Lingyun HUANG2, Cheng LIU1, 2
Affiliations
  • 1.School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
  • 2.Faculty of Land Resources Engineering, Kunming University of Science and Technology, Kunming 650093, China
  • 3.SICOMINES S.A., Beijing 100039, China
出版时间: 2026-06-20 doi: 10.13355/j.cnki.sfyj.2026.03.003
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为提高黄铜矿浸出效率,研究了在常规加热浸出体系的基础上,引入脉冲微泡手段,通过提高浸出过程中传质效率,降低硫化层的影响。探讨了动力学,分析了浸出渣形貌,揭示了脉冲微泡强化浸出的作用机制。研究结果表明:脉冲微泡体可显著提高黄铜矿浸出率,且提升幅度随微泡尺寸减小而增加;常规浸出最佳条件下铜浸出率仅为53.6%,而在相同条件下,孔板孔径尺寸分别为94、75μm时的铜浸出率可提高至62.48%和80.40%。SEM检测结果表明,脉冲微泡可有效改善硫化层在黄铜矿表面的聚集程度与覆盖面积,其作用机制可能是由于脉冲微泡具有较高的传质效率,能使反应速率加快,同时其破灭时释放的局部高温高压能削弱浸出过程的硫化层钝化作用,从而提高黄铜矿浸出效果。

黄铜矿  /  脉冲微泡  /  强化浸出  /  动力学  /  机制

In order to improve the leaching efficiency of chalcopyrite, on the basis of the conventional heating leaching system, the pulse microbubble method is introduced to reduce the influence of the sulfide layer by improving the mass transfer efficiency in the leaching process. The kinetics is discussed, the morphology of the leaching residue is analyzed, and the mechanism of pulse microbubble-enhanced leaching is revealed. The results show that the pulsed microbubbles can significantly improve the leaching rate of chalcopyrite, and the increase rate rises with the decrease in microbubble size. Under the optimum conditions of conventional leaching, the copper leaching rate is only 53.6%, while under the same conditions, the copper leaching rate can increase to 62.48% and 80.40% when the pore size of the orifice plate is 94 and 75 μm, respectively. The SEM test results show that the pulsed microbubbles can effectively improve the aggregation degree and coverage area of the sulfide layer on the surface of chalcopyrite. The mechanism may be that the pulsed microbubbles have higher mass transfer efficiency and can accelerate the reaction rate. At the same time, the local high temperature and high pressure released during the burst can weaken the passivation of the sulfide layer during the leaching process, thereby improving the leaching effect of chalcopyrite.

chalcopyrite  /  pulse microbubbles  /  enhanced leaching  /  dynamics  /  mechanism
罗梦恒, 杨思原, 陈兴海, 黄凌云, 刘诚. 脉冲微泡强化黄铜矿浸出机制研究. 湿法冶金, 2026 , 45 (3) : 291 -298 . DOI: 10.13355/j.cnki.sfyj.2026.03.003
Mengheng LUO, Siyuan YANG, Xinghai CHEN, Lingyun HUANG, Cheng LIU. Intensified Leaching of Chalcopyrite by Pulsed Microbubbles and Its Mechanism[J]. Hydrometallurgy of China, 2026 , 45 (3) : 291 -298 . DOI: 10.13355/j.cnki.sfyj.2026.03.003
  • 国家自然科学基金(52374276)
  • 云南省基础研究计划重点项目(202401AS070051)
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2026年第45卷第3期
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doi: 10.13355/j.cnki.sfyj.2026.03.003
  • 接收时间:2025-11-27
  • 首发时间:2026-09-11
  • 出版时间:2026-06-20
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  • 收稿日期:2025-11-27
  • 修回日期:2026-01-19
基金
国家自然科学基金(52374276)
云南省基础研究计划重点项目(202401AS070051)
作者信息
    1.武汉理工大学 资源与环境工程学院,湖北 武汉 430070
    2.昆明理工大学 国土资源工程学院,云南 昆明 650093
    3.华刚矿业有限公司,北京 100039

通讯作者:

杨思原(1990—),男,博士,教授,主要研究方向为选冶联合。E-mail:
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https://castjournals.cast.org.cn/joweb/sfyj/CN/10.13355/j.cnki.sfyj.2026.03.003
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2种不同金属材料的力学参数

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genus
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占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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