Removal of Cr(III) ions from salt solution by nanofiltration: experimental and modelling analysis-Reference-Cited by-同舟云学术

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

Published:2016-09-01 Issue:3 Volume:18 Page:10-16
ISSN:1899-4741
Container-title:Polish Journal of Chemical Technology
language:en
Short-container-title:

Author:

Kowalik-Klimczak Anna¹²,Zalewski Mariusz²,Gierycz Paweł²

Affiliation:

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

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

Abstract

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.

Publisher

Walter de Gruyter GmbH

Subject

General Chemical Engineering,General Chemistry,Biotechnology

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