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Development of multilayer polyelectrolyte thin-film membranes fabricated by spin assisted layer-by-layer assembly

Authors

  • Farid Fadhillah,

    1. Chemical Engineering Department, King Fahd University of Petroleum & Minerals, Dhahran 31261, Kingdom of Saudi Arabia
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  • S. M. Javaid Zaidi,

    Corresponding author
    1. Chemical Engineering Department, King Fahd University of Petroleum & Minerals, Dhahran 31261, Kingdom of Saudi Arabia
    • Chemical Engineering Department, King Fahd University of Petroleum & Minerals, Dhahran 31261, Kingdom of Saudi Arabia
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  • Zafarullah Khan,

    1. Mechanical Engineering Department, King Fahd University of Petroleum & Minerals, Dhahran31261, Kingdom of Saudi Arabia
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  • Mazen Khaled,

    1. Chemistry Department and Center of Excellence in Nanotechnology (CENT), King Fahd University of Petroleum & Minerals, Dhahran 31261, Kingdom of Saudi Arabia
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  • Faizur Rahman,

    1. Center of Refining and Petroleum (CRP) Research Institute, King Fahd University of Petroleum & Minerals, Dhahran 31261, Kingdom of Saudi Arabia
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  • Paula Hammond

    1. Department of Chemical Engineering, Massachusetts Institute of Technology, Massachusetts 02139
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Abstract

Polyelectrolyte multilayer (PEM) thin films consisting of alternate layers of two PEM systems, that is poly(diallyl dimethyl ammonium chloride)/poly(vinyl sulfate) (PDAC/PVS) and poly(allyl amine hydrochloride) (PAH)/ are successfully deposited on polysulfone (PSF) support using spin-assisted layer-by-layer assembly. The films are characterized using atomic force microscope, Fourier transform Infrared, and contact angle measurement. The salt (NaCl) rejection and water flux of the [PDAC/PVS] and [PAH/PVS] membranes are also evaluated using a crossflow permeation test cell. The permeation test shows that 120 bilayers of [PAH/PVS] on PSF substrate provide salt rejection of 53% and water flux of 37 L/m2 h, whereas that of PDAC/PVS on PSF substrate provide salt rejection of 21% and water flux of 90 L/m2 h for a 2000-ppm NaCl solution feed at a pressure of 40 bar and temperature of 25°C. © 2012 Wiley Periodicals, Inc. J Appl Polym Sci, 2012

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