Changing the microstructure of membranes using an intense electric field: Filtration performance
Filtration experiments were performed to investigate the effect of treatment in an intense electric field on the separation performance of membranes. It was shown that, in principle, an intense electric field can be used to alter the filtration performance and microstructure of microfiltration, ultr...
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| Veröffentlicht in: | Journal of membrane science 2014-01, Vol.449, p.158-168 |
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| container_title | Journal of membrane science |
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| creator | Darestani, M.T. Chilcott, T.C. Coster, H.G.L. |
| description | Filtration experiments were performed to investigate the effect of treatment in an intense electric field on the separation performance of membranes. It was shown that, in principle, an intense electric field can be used to alter the filtration performance and microstructure of microfiltration, ultrafiltration, nanofiltration and reverse osmosis membranes. The microstructure and chemical composition of the membranes were found to be the key factors in this process. It was also found that treatment in an intense electric field can affect the surface topography and, hence, the fouling behaviour of membranes.
•Intense electric fields were used to alter the filtration performance of membranes.•This technique was examined on MF, UF, NF and RO membranes.•This technique generally increased rejection at a cost of relative flux decline.•It was also shown that electrically treated membranes have smoother surfaces. |
| doi_str_mv | 10.1016/j.memsci.2013.08.027 |
| format | Article |
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| ispartof | Journal of membrane science, 2014-01, Vol.449, p.158-168 |
| issn | 0376-7388 1873-3123 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Chemical composition Chemistry Colloidal state and disperse state Electric field Electric fields Exact sciences and technology Filtration General and physical chemistry Membranes Microfiltration Microstructure Nanofiltration Reverse osmosis Topography Ultrafiltration |
| title | Changing the microstructure of membranes using an intense electric field: Filtration performance |
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