Present Situation and Prospect of High Value-added Functional Modification Technology of Coal Gangue Under the Background of ‘Carbon Peaking and Carbon Neutrality Goals'
SUN Zhihui, ZHAO Shuai*
School of Mines, China University of Mining and Technology, Xuzhou 221116, Jiangsu, China
Abstract: As the main associated products in the process of coal mining and washing, coal gangue emissions account for more than 40% of the solid waste in mining areas. And it has been listed as one of the bulk solid wastes of focus attention in the ‘14th Five-Year Plan'. In recent years, driven by the goal of peak carbon dioxide emissions and carbon neutrality, the problem of coal gangue reuse has been paid more and more attention. At present, the comprehensive disposal of coal gangue in our country mainly includes underground use, road construction, che-mical raw materials and ecological protection. With the progress of large modern mine construction and the development of low carbon sustainable economy, coal gangue shows the trend of large-scale and high value use. However, the comprehensive utilization rate of coal gangue is still less than 60%, and a more standardized and in-depth research system on comprehensive utilization and disposal of coal gangue has not yet been formed. The latest development of research on high-value utilization of coal gangue at present stageis comprehensively sorted out, the principle of existing functional modification methods of coal gangue is summarized, and the application status, effects, pros and cons of various high-value utilization technology for coal gangue are deeply analyzed. At the same time, based on the progress and effect of previous research, we also put forward the research ideas of geothermal energy storage and solid carbonation functional filling of gangue, which provide promising carbon reduction strategies for carbon neutrality in coal mining.
通讯作者:
*赵帅,中国矿业大学矿业工程学院讲师、硕士研究生导师。2015年吉林大学勘查技术与工程(勘察工程)专业本科毕业,2020年吉林大学建设工程学院地质工程专业博士毕业后到中国矿业大学工作至今。主要从事矿山固废地热井固井材料及非常规油气原位转化工艺研究。发表学术论文20余篇,包括Chemical Engineering Journal、Small、Journal of Petroleum Science and Engineering、International Journal of Thermal Sciences 等。zhaoshuai6074@cumt.edu.cn
作者简介: 孙志辉,2012年9月至2021年6月,先后获苏州大学学士学位、博士学位。2021年7月苏州大学能源学院新能源科学与工程专业博士毕业后到中国矿业大学工作至今,进入中国矿业大学矿业工程博士后流动站工作。主要从事矿山功能材料和高比能储能器件方面的研究,包括热电协同转化、固废原位改性处置、绿色开采等。发表学术论文10余篇,包括Advanced Energy Materials、Small、ACS Applied Materials & Interfaces、Journal of Materials Che-mistry A 等。
引用本文:
孙志辉, 赵帅. “双碳”背景下煤矸石高附加值功能化改性技术现状与展望[J]. 材料导报, 2023, 37(S1): 23040034-10.
SUN Zhihui, ZHAO Shuai. Present Situation and Prospect of High Value-added Functional Modification Technology of Coal Gangue Under the Background of ‘Carbon Peaking and Carbon Neutrality Goals'. Materials Reports, 2023, 37(S1): 23040034-10.
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2023, Vol. 37 
