<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The aim of this study was experimental and modelling analysis of the nanofiltration process used for the removal of chromium(III) ions from salt solution characterized by low pH. The experimental results were interpreted with Donnan and Steric Partitioning Pore (DSP) model based on the extended Nernst-Planck equation. In this model, one of the main parameters, describing retention of ions by the membrane, is pore dielectric constant. In this work, it was identified for various process pressures and feed compositions. The obtained results showed the satisfactory agreement between the experimental and modelling data. It means that the DSP model may be helpful for the monitoring of nanofiltration process applied for treatment of chromium tannery wastewater.</p></abstract>

The aim of this study was experimental and modelling analysis of the nanofiltration process used for the removal of chromium(III) ions from salt solution characterized by low pH. The experimental results were interpreted with Donnan and Steric Partitioning Pore (DSP) model based on the extended Nernst-Planck equation. In this model, one of the main parameters, describing retention of ions by the membrane, is pore dielectric constant. In this work, it was identified for various process pressures and feed compositions. The obtained results showed the satisfactory agreement between the experimental and modelling data. It means that the DSP model may be helpful for the monitoring of nanofiltration process applied for treatment of chromium tannery wastewater.

Removal of Cr(III) ions from salt solution by nanofiltration: experimental and modelling analysis

Institute for Sustainable Technologies – National Research Institute in Radom, Kazimierza Pułaskiego 6/10, 26-600 Radom, Poland

Warsaw University of Technology, Faculty of Chemical and Process Engineering, Waryńskiego 1, 00-645 Warsaw,

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The aim of this study was experimental and modelling analysis of the nanofiltration process used for the removal of chromium(III) ions from salt solution...

Removal of Cr(III) ions from salt solution by nanofiltration: experimental and modelling analysis

Online veröffentlicht: 13. Okt. 2016

Seitenbereich: 10 - 16

DOI: https://doi.org/10.1515/pjct-2016-0042

Schlüsselwörter
nanofiltration, chromium(III), DSP model, extended Nernst-Planck equation

© by Anna Kowalik-Klimczak

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Removal of Cr(III) ions from salt solution by nanofiltration: experimental and modelling analysis

Online veröffentlicht: 13. Okt. 2016

Seitenbereich: 10 - 16

DOI: https://doi.org/10.1515/pjct-2016-0042

Schlüsselwörternanofiltration, chromium(III), DSP model, extended Nernst-Planck equation

© by Anna Kowalik-Klimczak

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Schlüsselwörter
nanofiltration, chromium(III), DSP model, extended Nernst-Planck equation