Membrane and Water Treatment

  • 제12권2호
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  • Pages.59-64
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  • 2021
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  • 2005-8624(pISSN)
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  • 2092-7037(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Performance prediction of flat sheet commercial nanofiltration membrane using Donnan-Steric Pore Model

  • Qadir, Danial (Department of Chemical Engineering, University Teknologi PETRONAS) ;
  • Nasir, Rizwan (Department of Chemical Engineering, University of Jeddah) ;
  • Mukhtar, Hilmi (Department of Chemical Engineering, University Teknologi PETRONAS) ;
  • Uddin, Fahim (Department of Chemical Engineering, NED University of Engineering and Technology)
  • 투고 : 2020.11.05
  • 심사 : 2021.03.14
  • 발행 : 2021.03.25
⟨ 이전 논문 다음 논문 ⟩

초록

The rejection of sodium chloride (NaCl) and calcium chloride (CaCl2) single salt solutions were carried out for commercial nanofiltration NFDK membrane. Results showed that the NFDK membrane had a negative surface charge and had a higher observed rejection of 93.65% for calcium (Ca2+) ion and 78.27% for sodium (Na+) ions. Prediction of rejection for aqueous solutions of both salts was made using Donnan Steric Pore Model based on Extended Nernst-Planck Equation in addition to concentration polarization film theory. A MATLAB program was developed to execute the model calculations. Absolute Average Relative Error (% AARE) was found below 5% for real rejection of the NFDK membrane. This research could be used successfully to assess the membrane characterization parameter using a proposed procedure which can reduce the number of experiments.

키워드

참고문헌

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