Leaching Behavior of Fly Ashes from Power Plants |
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| Authors: | LIU Guijian GAO Lianfen ZHENG Liugen ZHANG Haoyuan and PENG Zicheng School of Earth and Space Science University of Science and Technology of Chin Hefei Anhui Key Lab of Loess and Quaternary Geology |
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| Institution: | LIU Guijian,GAO Lianfen,ZHENG Liugen,ZHANG Haoyuan and PENG Zicheng School of Earth and Space Science,University of Science and Technology of Chin,Hefei,Anhui Key Lab of Loess and Quaternary Geology,Institute of Earth and Environment,Chinese Academy of Sciences,Xi'an,Shaanxi |
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| Abstract: | Abstract The Yanzhou mine district, located in southwestern Shandong Province, is about 1300 km2 with more than 8times109 tons of proved coal reserves and there are 10 big power plants in this area. A large amount of coal ashes, which are regarded as waste materials, have been stockpiled in the area and have influenced the environment of the mine district. In this paper, analysis of fly ash samples from three power plants is carried out, the enrichment and concentration of trace elements, Pb, Zn, Cu and As, in coal ashes are analyzed, and petrological and mineralogical characteristics and chemical compositions of coal ashes are studied. The aim of this work is to provide basic scientific data for utilization of ashes and reduction of environmental pollutions. |
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| Keywords: | fly ashes trace elements leaching experiment power plants |
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