Modeling of solute transport in multi-component solution for reverse osmosis membranes

Do Yeon Kim, Myoung Ho Lee, Boram Gu, Joon Ha Kim, Sangho Lee, Dae Ryook Yang

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


The model of salt transport through the membrane in multi-component system was developed with the irreversible thermodynamics theory considering the effect of the interaction between the salt ions. With the proposed transport model, the model for spiral-wound module was built based on the mass conservation law and concentration polarization derived by film theory. Through the parameter estimation, the frictional coefficients related to permeability of water and each ion was determined and then phenomenological analysis was conducted. The simulation results show that the salt rejection is increasing as the applied pressure and feed flow rate increasing. Also, the predictions by present model are in good agreement with the experimental data in the literature.

Original languageEnglish
Pages (from-to)20-28
Number of pages9
JournalDesalination and Water Treatment
Issue number1-3
Publication statusPublished - 2010 Mar

Bibliographical note

Funding Information:
This research was supported by a grant (07sea-heroB02-01-01) from the Plant Technology Advancement Program funded by the Ministry of Land, Transport and


  • Desalination
  • Membrane transport modeling
  • Spiral-wound reverse osmosis membrane

ASJC Scopus subject areas

  • Water Science and Technology
  • Ocean Engineering
  • Pollution


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