1. Department
of Chemical Engineering, KU Leuven, Celestijnenlaan 200F, B-3001Leuven, Belgium
2. School
of Environment and Resources, Qi Shan Campus, Fuzhou University, No.2
Xueyuan Road, University Town, 350116 Fuzhou, Fujian China
3. Center for Membrane Separation and Water Science & Technology, Zhejiang University of Technology, Hangzhou 310014, China
4. Faculty
of Engineering and the Built Environment, Tshwane University of Technology, Private Bag X680, Pretoria 0001, South Africa