1. School
of Metallurgical Engineering, Hunan University of Technology, Zhuzhou 412000, China
2. College
of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
3. Department
of Environmental Engineering, School of Metallurgy and Environment, Central South University, Changsha 410083, China
4. Chinese National
Engineering Research Central for Control and Treatment of Heavy Metal
Pollution, Changsha 410083, China
5. Department
of Inorganic Chemistry, TU Bergakademie Freiberg, Freiberg 09596, Germany