Research Progress of Clay Minerals in the Field of Coal Mine Water Treatment
YAO Shun1,2,3, FENG Guorui1,2,3, ZHAO Dekang1,2,3, LIU Aifang4,5, DU Juan6, WANG Shuai1,2,3, YAO Xin1,2,3, HOU Kai1,2,3,5,*
1 College of Mining Engineering, Taiyuan University of Technology, Taiyuan 030002, China 2 Shanxi Province Research Center of Green Mining Engineering Technology, Taiyuan 030024, China 3 Key Laboratory of Shanxi Province for Mine Rocks Strata Control and Disaster Prevention, Taiyuan University of Technology, Taiyuan 030024, China 4 Department of Chemistry and Chemical Engineering, Taiyuan Institute of Technology, Taiyuan 030013, China 5 Shanxi Transformation and Comprehensive Reform Demonstration Area, Taiyuan 030032, China 6 Shanxi Zhongke Huaneng Technology Co., Ltd., Jinzhong 030032, Shanxi, China
Abstract: As coal mining continues to expand, the issue of mine water is becoming increasingly severe, particularly in arid regions, the low utilization of mine water exacerbates water scarcity. Clay minerals present ideal solutions for mine water management due to their unique pore structures, high specific surface area, and strong hydrophilicity and electronegativity. This paper analyzes the sources of mine water, the characteristics of its components, and its environmental impact. Then explores the properties of clay minerals and their mechanisms for treating heavy metals, fluorine, and radioactive elements in mine water. In specific applications, clay-based polymers, bentonite, fly ash, and modified bumpy clay have demonstrated significant effectiveness in treating acidic, alkaline, and specialty pollutant-laden mine water. Furthermore, the paper introduces industrial applications such as permeable reactive walls, passivation technologies, and artificial wetlands in mine water treatment, provides insights for advancing research and development of clay mineral materials in water treatment and mine water management.
姚顺, 冯国瑞, 赵德康, 刘爱芳, 杜娟, 王帅, 姚鑫, 侯凯. 黏土矿物在煤矿矿井水治理领域的研究进展[J]. 材料导报, 2025, 39(19): 24070145-10.
YAO Shun, FENG Guorui, ZHAO Dekang, LIU Aifang, DU Juan, WANG Shuai, YAO Xin, HOU Kai. Research Progress of Clay Minerals in the Field of Coal Mine Water Treatment. Materials Reports, 2025, 39(19): 24070145-10.
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