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Kwon, Young-Nam
Superior Membrane-based Advanced Research & Technology (SMART) Lab
Research Interests
  • Membrane, Reverse(Forward) osmosis, Membrane distillation, Hydrate-induced ice desalination


Surface modification of a polyamide reverse osmosis membrane for chlorine resistance improvement

DC Field Value Language Kwon, Young-Nam ko Hong, Sungpyo ko Choi, Hyoungwoo ko Tak, Taemoon ko 2014-04-10T01:13:04Z - 2013-06-07 ko 2012-10 ko
dc.identifier.citation JOURNAL OF MEMBRANE SCIENCE, v.415, pp.192 - 198 ko
dc.identifier.issn 0376-7388 ko
dc.identifier.uri -
dc.description.abstract A surface modified polyamide (PA) thin film composite (TFC) membrane was prepared using in-situ polymerization of sorbitol polyglycidyl ether (SPGE) on the membrane surface immediately after interfacial polymerization of TFC membranes. This modification was conducted to protect the chlorine-sensitive sites of the PA membrane using a chlorine-resistant hydrophilic SPGE polymer. The optimum preparation condition of the modified PA TFC reverse osmosis membranes was investigated, and then the successful modification of the membrane was confirmed using various analytical tools including Fourier transform infrared spectroscopy, a zeta potential analyzer, a contact angle analyzer, X-ray photoelectron microscopy, scanning electron microscopy, and atomic force microscopy. The modification converted the surface of the membrane to a more neutral, hydrophilic, and smooth surface. With increasing SPGE concentration in the coating solution, molecular overlapping of the coating polymer led to a denser coating layer, which resulted in declined flux but increased salt rejection. Chlorination tests showed that the modification of the membrane using SPGE ring-opening polymerization improved chlorine stability. ko
dc.description.statementofresponsibility close -
dc.language 영어 ko
dc.publisher ELSEVIER SCIENCE BV ko
dc.title Surface modification of a polyamide reverse osmosis membrane for chlorine resistance improvement ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84864757900 ko
dc.identifier.wosid 000307251100023 ko
dc.type.rims ART ko
dc.description.wostc 10 *
dc.description.scopustc 12 * 2015-02-28 * 2014-07-12 *
dc.identifier.doi 10.1016/j.memsci.2012.04.056 ko
dc.identifier.url ko
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