1. Membrane Research Center (MeR-C), Universitas Diponegoro, Semarang, Indonesia
2. Department of Chemical Engineering, Faculty of Engineering, Diponegoro University, Semarang, Indonesia
3. Master Program of Environmental Science, School of Postgraduate Studies, Universitas Diponegoro, Semarang, Indonesia
4. Department of Environmental Engineering, Faculty of Engineering, Diponegoro University, Semarang, Indonesia