1. School of Environmental Science and Engineering, Low-Carbon Water Environment Technology Center (HUST-SUKE), and Key Laboratory of Water and Wastewater Treatment, MOHURD, Huazhong University of Science and Technology, Wuhan 430074, China
2. School of Materials and Environmental Engineering, Shenzhen Polytechnic, Shenzhen, Guangdong 518055, China
3. School of Civil and Environmental Engineering, Water Technology Center, Hong Kong Branch of Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution, The Hong Kong University of Science & Technology, Kowloon, Hong Kong 999077, China