Abstract
Nanofiltration (NF) and low-pressure reverse osmosis (RO) for the removal of zinc ions from wastewaters have been studied. Influence of co- and counter-ions concentration in feed water on zinc removal by NF, RO was analyzed and described. The effect of the pH on the Zn removal has shown that RO could not be recommended for acidic cationic wastewater treatment due to high osmotic pressure. The isoelectric point of nanofiltration membrane (pH ≈ 5.4) has been defined.
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© 2009 Springer Science+Business Media B.V.
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Kagramanov, G.G., Farnosova, E.N., Kandelaki, G.I. (2009). Heavy Metal Cationic Wastewater Treatment with Membrane Methods. In: Václavíková, M., Vitale, K., Gallios, G.P., Ivaničová, L. (eds) Water Treatment Technologies for the Removal of High-Toxicity Pollutants. NATO Science for Peace and Security Series C: Environmental Security. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-3497-7_15
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DOI: https://doi.org/10.1007/978-90-481-3497-7_15
Publisher Name: Springer, Dordrecht
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