Utilization of Coal Gangue and Copper Tailings as Clay for Cement Clinker Calcinations |
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| Authors: | QIU Guohua LUO Zhongyang SHI Zhenglun NI Mingjiang |
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| Affiliation: | QIU Guohua1,2,LUO Zhongyang1,SHI Zhenglun1,NI Mingjiang1 (1.State Key Lab of Clean Energy Utilization,Zhejiang University,Hangzhou 310027,China,2. College of Communication Engineering,China Jiliang University,Hangzhou 310018,China) |
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| Abstract: | In order to avoid environmental pollution from Coal gangue (CG) and copper tailings (CT), the utilization as cement clinker calcinations was experimentally investigated. Low-calcium limestone was also selected as another raw material. The clinker component and microstructure were analyzed by XRD and SEM. The experimental results showed that qualified cement clinker could be generated by substituting CG and CT compound for clay. While mixed with high-calcium limestone and low-calcium limestone, the calcinati... |
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| Keywords: | coal gangue copper tailings XRD oxygen-rich minerals |
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