Studies on cellulose acetate-polysulfone ultrafiltration membranes: II. Effect of additive concentration |
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| Institution: | 1. Beijing Key Laboratory of Membrane Materials and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, PR China;2. Department of Chemical Engineering, Process Engineering for Sustainable Systems, KU Leuven, Belgium;1. Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia;2. Faculty of Petroleum and Renewable Energy Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia;3. Department of Chemical and Biological Engineering, Industrial Membrane Research Institute, University of Ottawa, 161 Louis Pasteur St., Ottawa, ON KIN 6N5, Canada;1. Membrane Technology Laboratory, Chemistry Department, National Institute of Technology-Karnataka, Surathkal, Mangalore 575 025, India;2. Advanced Membrane Technology Research Center (AMTEC), Universiti Teknologi Malaysia, 81310 UTM, Skudai, Johor, Malaysia |
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| Abstract: | Polymeric blend ultrafiltration membranes based on cellulose acetate and polysulfone were prepared by phase inversion technique in presence of different additive concentrations, polyvinylpyrrolidone, and characterized in terms of compaction time, pure water flux (PWF), water content, membrane resistance and scanning electron microscopy (SEM). The blend membranes were subjected to separation of proteins and heavy metal ions using polyethylenimine as a complexing agent and the results were discussed. The molecular weight cut off of blend membranes was also reported. |
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