1. Ph.D. Candidate, College of Environmental Science and Engineering, Key Laboratory of Environmental Biology and Pollution Control (Ministry of Education), Hunan Univ., Changsha 410082, China.
2. Professor, College of Environmental Science and Engineering, Key Laboratory of Environmental Biology and Pollution Control (Ministry of Education), Hunan Univ., Changsha 410082, China; College of Environmental Science and Engineering, Beijing Forestry Univ., Beijing 100083, China (corresponding author).
3. Professor, College of Environmental Science and Engineering, Key Laboratory of Environmental Biology and Pollution Control (Ministry of Education), Hunan Univ., Changsha 410082, China.
4. Ph.D. Candidate, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
5. Senior Engineer, Design & Research Institute, China Machinery International Engineering, Changsha 410007, China.