1. College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
2. Guangxi Key Laboratory of Theory and Technology for Environmental Pollution Control, Guilin 541006, China
3. Collaborative Innovation Center for Water Pollution Control and Water Safety in Karst Area, Guilin University of Technology, Guilin 541006, China
4. Key Laboratory of Industrial Ecological and Environmental Engineering (MOE), School of Environmental Science and Technology, Dalian University of Technology, Linggong Road 2, Dalian 116024, China