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| Study on progress in comprehensive utilization of coal based solid waste |
| Gu Cheng1, Li Yu2 |
1. Wenyu Mine,Shandong Honghe Group Corporation Ltd., Ordos 017000, China;
2. Department of Chemical Engineering ,Ordos institute of Technology, Ordos 017000, China; |
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Abstract Coal-based solid waste is a kind of difficult to use industrial solid waste produced in the process of coal mining and utilization, mainly including coal gangue, fly ash slag, coal gasification slag. The large accumulation of coal-based solid waste not only occupies land area, but also causes pollution to the surrounding environment such as atmosphere, water bodies and soil. Such as its proper treatment, and can turn waste into treasure, become a kind of reusable resources. In this paper, the physical and chemical properties of three main types of coal-based solid wastes were described, the applications of coal-based solid wastes in filling treatment, heat recovery, chemical industry and environmental protection were introduced, and suggestions were made for the comprehensive utilization of coal-based solid wastes.
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