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Environmental Impact of Hazardous Elements in Coal-combustion by-products and Pilot Discussion on the Ecological Restoration Mode of Coal-mining Subsidence in Huainan

Author: ShiYongHong
Tutor: CuiLongPeng
School: Anhui University of Technology
Course: Environmental Engineering
Keywords: Huainan mining area Fly ash Coal Mine Subsidence Land Harmful elements Environmental Effects Ecological restoration
CLC: X171.4
Type: Master's thesis
Year: 2005
Downloads: 387
Quote: 6
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Abstract


Huainan coal city , the country 's important energy base . Over the years , the coal mining industry has a huge energy support for economic development , to some extent, to promote the city 's economic development and social progress . The same time , coal mining has also brought a series of environmental problems : a large number of industrial solid waste ( especially coal gangue and fly ash ) and piled the formation of a large area of mining subsidence to . Not only occupied and destroyed a lot of land resources , but also undermines the ecological landscape of the Huainan mining area , the pollution mine ecological environment, serious impact on the mining area economic development and people 's normal production and living . The ecological restoration Coal Mine Subsidence Land \At the same time , the face of the mine land resources scarce and coal-fired industrial solid waste ( gangue and fly ash ) \gray for Coal Mine Subsidence Land filling and reclamation is still an important disposal ways . Therefore, fly ash and gangue ( previous research ) environmental and ecological effects of the implementation of the Coal Mining Subsidence in ecological restoration projects , the construction of \This paper tracking the research status and development trends , systematic analysis of the characteristics of the Huainan Coal Mine Subsidence Land , focus of a fly ash harmful elements in migration and environmental effects , according to the \years), and explore the Huainan Coal Mining Subsidence in ecological restoration mode . Its purpose is , through the comprehensive improvement of the geological environment , industrial solid waste filling and reclamation , subsidence of ground water resources and ecological reconstruction of the implementation of systems engineering , continuing to promote the ecological restoration of the Coal Mining Subsidence in gradually building the mine \natural complex ecosystem , built in East China 's large - scale circular economy \

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CLC: > Environmental science, safety science > The basic theory for the Environment and Science > Environmental Biology > Ecosystems and pollution ecology > Ecological construction and ecological restoration
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