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Modeling of amino acid nanofiltration by irreversible thermodynamics

journal contribution
posted on 2015-09-14, 09:02 authored by Z. Kovacs, Marco DiscacciatiMarco Discacciati, W. Samhaber
Starting from the classical Kedem–Katchalsky model for filtration through membranes, we derive an equation to compute the permeate flux and the rejection of diprotic amino acid compounds. We discuss the influence of the pH, the viscosity and the feed concentration of the solution on the transport parameters which characterize the membrane, and we improve the basic equation by accounting for these dependencies. We propose two possible strategies to estimate the transport parameters from experimental data. Finally, we compare our simulation results with experiments of tight ultrafiltration (UF) and nanofiltration (NF).

History

School

  • Science

Department

  • Mathematical Sciences

Published in

Journal of Membrane Science

Volume

332

Issue

1-2

Pages

38 - 49

Citation

KOVACS, Z., DISCACCIATI, M. and SAMHABER, W., 2009. Modeling of amino acid nanofiltration by irreversible thermodynamics. Journal of Membrane Science, 332 (1-2), pp.38-49.

Publisher

© Elsevier

Version

  • NA (Not Applicable or Unknown)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Publication date

2009

Notes

This paper is closed access.

ISSN

1873-3123

Language

  • en

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