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Cho, Jaeweon
OWIELAB(Organic-Water Interface Engineering Laboratory)
Research Interests
  • Convergence of Science and Arts, Feces Standard Money (FSM), Water & Energy

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Natural organic matter fouling due to foulant-membrane physicochemical interactions

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Title
Natural organic matter fouling due to foulant-membrane physicochemical interactions
Author
Lee, SungyunKim, SuhanCho, JaeweonHoek, Eric M. V.
Keywords
Extended DLVO; NOM; Organic fouling; Ultrafiltration
Issue Date
2007-01
Publisher
ELSEVIER SCIENCE BV
Citation
DESALINATION, v.202, no.1-3, pp.377 - 384
Abstract
dAn extended DLVO (XDLVO) force analysis was introduced to predict natural organic matter (NOM) fouling in ultrafiltration (UF) membrane processes. Ultrafiltration membrane fouling experiments were performed using two NOM extracts from real waters and two commercial polymeric UF membranes. The hydrodynamic force by permeation drag and three interfacial forces of XDLVO (van der Waals, electrostatic, acid-base energy) were used for the force analysis. Acid-base interaction forces between NOM and UF membranes were dominant in short range (separation distances < 5 rim) and appear to determine the potential of NOM deposition. Relative extents of flux decline were successfully predicted using the short-range force analyses
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DOI
10.1016/j.desal.2005.12.077
ISSN
0011-9164
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UEE_Journal Papers
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