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http://dx.doi.org/10.14579/MEMBRANE_JOURNAL.2015.25.6.538

Preparation and Performance of Composite Membrane Prepared by Layer-by-Layer Coating Method  

Jeon, Yi Seul (Department of Advanced Material and Chemical Engineering, Hannam University)
Rhim, Ji Won (Department of Advanced Material and Chemical Engineering, Hannam University)
Publication Information
Membrane Journal / v.25, no.6, 2015 , pp. 538-546 More about this Journal
Abstract
In this study, composite membrane is prepared by Layer-by-Layer method using hydrophobic polymer as a coating material on the polysulfone support. The existence of coating layer on the surface and cross section was confirmed by the scanning electronic microscopy. The flux and rejection of the resulting membranes were characterized using 100 ppm NaCl feed solution. PVSA, PEI, PAA, PSSA, PSSA_MA were used as a coating polymer in this study. The composite membrane prepared by using 8,000 ppm PAA solution (Ion strength = 0.35, Coating time = 3 min) and 10,000 ppm PEI solution (Coating time = 4 min). As a result, PAA-PEI composite membrane showed flux of 101 LMH and salt rejection of 66.7%. The composite membrane showed the comparable performance as good as NE 4040-70 (Flux = 30 LMH, Rejection = 40~70%) model produced by Toray Chemical co.
Keywords
Layer-by-Layer; composite membrane; NE 4040-70; poly acrylic acid; polyethyleneimine;
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Times Cited By KSCI : 2  (Citation Analysis)
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