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Reliability of Nanofiltration Membrane Process or Brackish Water Treatment in Baghdad City: Module Modeling and Simulation

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Abstract

The current paper uses a mathematical model to assess the applicability of Nanofiltration membrane on demineralization of Tigris river water. The main aim is to predict the rejection values of multiple ions, with the NF membrane NF270 in a flat sheet membrane module, as well as the water permeation flow and energy consumption. To this end, the extended Nernst–Planck equation was applied in the boundary layer, while Donnan Steric Pore and Dielectric Exclusion (DSPM&DE) model was applied through the active membrane layer. Simulation results revealed that NF membrane can remove 82–99% of bivalent ions and 60–70% of monovalent ions at pressure of 5 bar. In addition, A significant decrease of specific energy consumption (e) was noted with increase of pressure and membrane length. These results suggest that the proposed NF membrane process could be applied in treating brackish water at moderate operational conditions.

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  1. Department of Chemical and Petro-Chemical Engineering, College of Engineering, University of Anbar, Ramadi, Iraq

    Sufyan Fadhil

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  1. Sufyan Fadhil
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Fadhil, S. Reliability of Nanofiltration Membrane Process or Brackish Water Treatment in Baghdad City: Module Modeling and Simulation. Theor Found Chem Eng 57, 589–596 (2023). https://doi.org/10.1134/S0040579523040449

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