Research on the overall solution of coal gangue large-scale comprehensive utilization
Based on the sources,properties and hazards of coal gangue in China,the status quo and existing problems of coal gangue comprehensive utilization are studied and analyzed,focusing on exploring the overall solution of large-scale comprehensive utilization of coal gangue.According to the coal resource occurrence characteristics,the large-scale comprehensive utilization method of coal gangue is put forward with a scheme of"source reduction,resources utilization and harmless disposal",realizing coal gangue classification and quality-based graded utilization,so as to achieve the harmless,large-scale,high-value utilization of coal gangue.The scheme is applicable to large coal bases in western China and other regions.Combine with the social benefits,ecological and environmental benefits,and economic benefits,the evaluation and analysis of the overall solution can provide reference for the sustainable development and resource recycling of the coal industry.
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