Effects of clay species on coal flotation under the cationic regulation

被引：0
|
作者：
Bai H. [1 ,2 ]
Liu Y. [2 ,3 ]
Zhao Y. [1 ,2 ]
Chen T. [4 ]
Chen L. [1 ,2 ]
Jiao X. [5 ]
Qing C. [6 ]
Song S. [1 ,2 ]
机构：
[1] Hubei Key Laboratory of Mineral Resources Processing and Environment, Wuhan University of Technology, 122 Luoshi Road, Wuhan, 430070, Hubei
[2] School of Resources and Environmental Engineering, Wuhan University of Technology, 122 Luoshi Road, Wuhan, 430070, Hubei
[3] Xiamen Tungsten Co Ltd Technology Center, 1005 Anling Road, Xiamen, Fujian
[4] School of Resources Engineering, Xi'an University of Architecture and Technology, Xi'an, 710000, Shaanxi
[5] School of Resources Environmental Science and Engineering, Hubei University of Science and Technology, Xianning, 437100, Hubei
[6] Ground Engineering Department, Tarim Oil Field Company, Kuerle, 84100, Xinjiang
来源：
Chemical Physics Letters | 2021年 / 753卷
基金：
中国国家自然科学基金;
关键词：
Cationic regulation; Clay; Coal flotation; Kaolinite; Montmorillonite;
D O I：
10.1016/j.cplett.2020.137626
中图分类号：
学科分类号：
摘要：
The effects of different clay minerals on coal flotation under cationic regulation were systematically investigated. Batch flotation experiments indicated that the cationic regulating effects successfully embodied in presence of montmorillonite (MMT), while deteriorated with kaolinite. SEM-EDS measurements demonstrated that MMT initially coating on coal came off due to the formation of aggregates after adding cations, while kaolinite was more dispersed just as the higher turbidity thereby easily adhering to coal. It was due to the surface charging situations and specific Al-OH distributions of MMT and kaolinite that led to various interacting relationship with coal and affected the cationic regulation effects. © 2020 Elsevier B.V.
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