1 Department of Environmental Engineering and Water Technology, IHE - Delft, Institute of Water Education, 2601 DA Delft, the Netherlands.
2 Chemical Engineering Laboratory, Faculty of Sciences and Center for Advanced Scientific Research, BIOENGIN Group, University of La Coruña, E-15008 La Coruña, Spain.
3 Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NWS 2007, Australia.
4 Gujarat Pollution Control Board, Gandhinagar 382010, Gujarat, India. Electronic address: drsvs18@gmail.com.