Effect of aging on UF membranes by a streaming potential (SP) method |
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| Institution: | 1. Environmental Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran;2. Social Determinant of Health Research, Qazvin University of Medical Sciences, Qazvin, Iran;3. Faculty of Engineering, University of Kurdistan, Sanandaj, Iran;4. Faculty of Veterinary Medicine, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran;5. Department of Environmental Engineering, Catholic Kwandong University, Ganeung 25601, Republic of Korea;1. Mechanical Engineering Program, Texas A&M University at Qatar, Doha, Qatar;2. Mechanical Engineering, McGill University/National Research Council Canada, Canada |
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| Abstract: | In this paper we have determined, by a streaming potential (SP) method, the isoelectric point (IEP) of a new cellulose membrane, the regenerated cellulose material. This membrane is more hydrophilic than the classical cellulose acetate material and less sensitive to protein adsorption, with an IEP of 3.4.Furthermore, we have validated an SP method as a new method to control aging of porous membranes. We validate the SP technique on a surface of 30 cm2 for a membrane with a molecular weight cut-off of 10 kDa.In this new field of research where nondestructive techniques are not many, we have shown, for the first time, the efficiency of coupling permeability and SP measurements to control aging of mesoporous polymer membranes. |
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