1. Department
of Chemical and Environmental Engineering, Bourns College of Engineering, University of California, Riverside, California 92521, United States
2. Bourns College of Engineering, Center for Environmental
Research and Technology (CE-CERT), Riverside, California 92507, United States
3. School
of Environmental Science and Engineering, Nanjing University of Information Science and Technology, 219 Ningliu Road, Nanjing 210044, China