School of Metallurgical and Ecological Engineering;
University of Science and Technology Beijing;
State Key Laboratory of Solid Waste Reuse for Building Materials;
Beijing Building Materials Academy of Sciences Research;
National Energy Key Laboratory of High Aluminium Coal Development and Utilization;
Datang International Power Generation Co.;
Ltd.;
calcium silicate slag; X-ray diffraction(XRD); quantitative phase analysis(QPA); Rietveld method;