1. Wetsus, European Centre of Excellence for Sustainable Water Technology, Leeuwarden, The Netherlands
2. Environmental Technology, Wageningen University, Wageningen, The Netherlands
3. Graduate Institute of Environmental Engineering, National Taiwan University No.1, Sec. 4. Roosevelt Rd., Taipei 10617, Taiwan
4. Department of Chemical and Environmental Engineering, Yale University, New Haven, Connecticut 06520-8286, United States
5. Department of Process Engineering and Technology of Polymeric and Carbon Materials, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, Wroclaw 50-370, Poland