1. State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, School of Resources, Environment and Materials, Guangxi University, Nanning 530004, P. R. China
2. School of Chemical and Environmental Engineering, Shaoguan University, Shaoguan 512005, P. R. China
3. School of Environmental Science and Technology, Dalian University of Technology, Dalian 116023, P. R. China