This paper expounds the comprehensive utilization of gangue and the principle of the techniques, and analyses the main problems in utilization of gangue.

本文阐述了煤矸石综合利用途径及工艺原理，分析了当前煤矸石综合利用中存在的主要问题。

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This paper analyzes on the harmfulness of the gangue on the natural environment, and probes into the effective paths for the utilization of the gangue.

分析了煤矸石对自然环境的危害，探讨了利用煤矸石的有效途径。

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This paper introduces the harmfulness of the gangue, and expounds the input and benefit of the comprehensive utilization of the gangue in Xishan Mining Area.

介绍了煤矸石的危害，论述了西山矿区煤矸石综合利用的投入及收益。

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