1. Center for Membrane Separation and Water Science & Technology, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
2. College
of Environment and Resources, Qi Shan Campus, Fuzhou University, No.
2 Xueyuan Road, University Town, Fuzhou, Fujian 350108 China
3. Department
of Chemical Engineering, KU Leuven, W. de Croylaan 46, B-3001 Leuven, Belgium