Identification of dielectric effects in nanofiltration of metallic salts |
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| Authors: | A. Szymczyk N. Fatin-Rouge P. Fievet C. Ramseyer A. Vidonne |
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| Affiliation: | 1. University of Franche-Comté, Laboratoire de Chimie des Matériaux et Interfaces, 25030 Besançon Cedex, France;2. University of Franche-Comté, Laboratoire de Physique Moléculaire, UMR CNRS 6624, 25030 Besançon Cedex, France |
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| Abstract: | Transport of four metallic salts (CuCl2, ZnCl2, NiCl2 and CaCl2) through a polyamide nanofiltration (NF) membrane has been investigated experimentally from rejection rate and tangential streaming potential measurements. Rejection rates have been further analyzed by means of the steric, electric and dielectric exclusion (SEDE) homogeneous model with the effective dielectric constant of the solution inside pores as the single adjustable parameter. |
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| Keywords: | Nanofiltration Modelling Dielectric effects Streaming potential Metallic salts |
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