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Alginate fouling reduction of functionalized carbon nanotube blended cellulose acetate membrane in forvvard osmosis

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dc.creator CHOI, Hyeon-gyu
dc.creator SON, Moon
dc.creator YOON, SangHyeon
dc.creator PARK, Hosik
dc.creator KANG, Seoktae
dc.creator PARK, Chul Hwi
dc.creator CHOI, Heechul
dc.creator Celik, Evrim
dc.date 2015-09-30T21:00:00Z
dc.date.accessioned 2020-10-06T09:50:51Z
dc.date.available 2020-10-06T09:50:51Z
dc.identifier 520f168b-1ba3-4b0e-af87-8aa3274a1458
dc.identifier 10.1016/j.chemosphere.2015.05.003
dc.identifier https://avesis.sdu.edu.tr/publication/details/520f168b-1ba3-4b0e-af87-8aa3274a1458/oai
dc.identifier.uri http://acikerisim.sdu.edu.tr/xmlui/handle/123456789/60124
dc.description Eunctionalized multi-walled carbon nanotube blended cellulose acetate (fCNT-CA) membranes were synthesized for forward osmosis (FO) through phase inversion. The membranes were characterized through SEM, FTIR, and water contact angle measurement. AFM was utilized to investigate alginate fouling mechanism on the membrane. It reveals that the fCNT contributes to advance alginate fouling resistance in FO (57% less normalized water flux decline for 1% fCNT-CA membrane was observed than that for bare CA membrane), due to enhanced electrostatic repulsion between the membrane and the alginate foulant. Furthermore, it was found that the fCNT-CA membranes became more hydrophilic due to carboxylic groups in functionalized carbon nanotube, resulting in approximately 50% higher water-permeated flux than bare CA membrane. This study presents not only the fabrication of fCNT-CA membrane and its application to FO, but also the quantification of the beneficial role of fCNT with respect to alginate fouling in FO. (C) 2015 Elsevier Ltd. All rights reserved.
dc.language eng
dc.rights info:eu-repo/semantics/closedAccess
dc.title Alginate fouling reduction of functionalized carbon nanotube blended cellulose acetate membrane in forvvard osmosis
dc.type info:eu-repo/semantics/article


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