1. Department of Applied Biology and Chemical Technology and Research Institute for Smart Energy, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, China
2. Department of Chemistry, National Tsing Hua University, Hsinchu 300034, Taiwan
3. Department of Mechanical Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, China
4. Key Laboratory for Ecological Metallurgy of Multimetallic Mineral of Ministry of Education, School of Metallurgy, Northeastern University, Shenyang 110819, P. R. China
5. School of Resource and Environmental Science, Wuhan University, Wuhan 430072, P. R. China