FU Ke-ming1; 2; LIU Tao-xiang3; ZHANG Qin-shan2; YUAN Dong-lin2（1.School of Chemical and Environmental Engineering; China University of Mining & Technology; Beijing 100083; China; 2.School of Chemical and Environmental Engineering; Jiaozuo University; Jiaozuo 454100; 3.School of Materials Science and Engineering; Wuhan University of Technology; Wuhan 430070; China）