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- Cho, Jaeweon
- Sense Laboratory
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Natural organic matter fouling due to foulant-membrane physicochemical interactions
- Author(s)
- Lee, Sungyun, Kim, Suhan, Cho, Jaeweon, Hoek, Eric M. V.
- Issued Date
- 2007-01
- 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
- Publisher
- ELSEVIER SCIENCE BV
- ISSN
- 0011-9164
- Keyword (Author)
- ultrafiltration, organic fouling, extended DLVO, NOM
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