Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 20, Issue 4, Pages 1549-1557Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2013.07.046
Keywords
Sulfonated-polysulfone membrane; Methactylic acid; UV-grafting; Response surface methodology (RSM); Optimization
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Membrane surface modification through UV-grafting method was studied and optimized using response surface methodology (RSM) approach. Sulfonated-polysulfone (SPS) membrane was modified through grafting process by employing methacrylic acid (MAA) monomer solution under the exposure of UV light. The parameters used were the concentration of MAA in the range of 0-6 wt% and UV activation time of 0-50 min. The optimized parameters from RSM were 2.61 wt% of MAA and 21.10 min of UV activation time. The optimized water permeability obtained was 8.75 L m(-2) h(-1) bar(-1), while the rejection percentages for humic acid, NaCI and MgSO4 solution were 95.0%, 65.7% and 48.3%, respectively. (C) 2013 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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