1 Center for Membranes and Advanced Water Technology (CMAT), Department of Chemical Engineering, Khalifa University of Science and Technology, Abu Dhabi, UAE.
2 Department of Chemical and Environmental Engineering, University of California at Riverside, Riverside, CA 925210, USA.
3 Sanitary and Environmental Engineering Division (SEED), Department of Civil Engineering, University of Salerno, Fisciano (Salerno), Italy.
4 LEQUiA, Institute of the Environment, University of Girona, Campus Montilivi, C/Maria Aurèlia Capmany, 69, E-17003 Girona, Spain.
5 Columbia University, Department of Earth and Environmental Engineering, New York, USA.