煤矸石及其资源化利用研究进展

Research progress on coal gangue and its resource utilization

煤矸石是煤炭工业产生的废弃物,我国对其利用率较低,只有其年产量的50%左右,这些堆积的煤矸石占用土地、污染环境。介绍了煤矸石的危害、煤矸石分类的意义以及煤矸石综合利用的研究进展。

The coal gangue is the waste prod uced by coal industry, Its utilization ratio is low in China,which is only at about 50% of its annual output,these accumulated gangue occupies land and pollutes the environment. This paper introduces the harm, the significance, the classification and the research progress of comprehensive utilization of the coal gangue.