1. School of Environment, Tsinghua University, Beijing 100084, China
2. Research Institute for Environmental Innovation (Suzhou) Tsinghua, Suzhou 215163, China
3. Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong 999066, PR China
4. USP Technologies, 3020 Gore Road, London, ON N5V4T7, Canada
5. MW Technologies, Inc., London, Ontario L8N1E, Canada