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中文摘要：
煤矸石是煤炭工业排放量最大的固体废物，具有环境一经济的“两面性”,煤矸石资源化再生利用有5种途径，包括回收煤炭资源、利用煤矸石发电、生产煤矸石砖、煤矸石制备水泥和煤矸石提取铝盐等，它们具有经济效益高、技术难度低、工艺简单等特点，对于我国煤矸石资源化再生利用具有普遍的适用性和推广价值．
英文摘要：
Coal gangue is the largest solid waste in the coal industry,, has the ＂two-side characters＂ in environment and economy. It is waste when abandoned and wealth while utilized. This article introduces 5 ways of the gangue regenerative utilization： include recycling coal resources in gangue, generating electricity by using gangue, producing the gangue brick, preparation the gangue cement, distilling aluminates and so on. They have many advantages, such as higher economic efficiency, lower difficulty in techniques and simple technologies; they also have prevalent applicability and promoted value in regeneration and utilization of gangue resources in China.
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