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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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Developing organic fouling indices of microfiltration and nanofiltration membranes for wastewater reclamation

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Title
Developing organic fouling indices of microfiltration and nanofiltration membranes for wastewater reclamation
Author
Chon, KangminLee, SungyunChon, KyongmiHussain, Ahamad AltafCho, Jaeweon
Keywords
Fouling index; Membrane bio reactor; Nanofiltration; Wastewater reclamation
Issue Date
2010-06
Publisher
DESALINATION PUBL
Citation
DESALINATION AND WATER TREATMENT, v.18, no.1-3, pp.61 - 70
Abstract
Wastewater reclamation processes, including membrane bio reactor (MBR) and nanofiltration (NF) membrane, have been built, and those processes were independently operated, under recycling conditions, to compare the performances, with respect to contaminants removal and fouling minimization. The hydrophilic fractions of organic matter were more effectively removed than the hydrophobic fraction through the system due to microbial activities in the MBR, as measured using three dimensional fluorescence excitation and emission spectra. Furthermore, levels of nitrogen compounds, micropollutants, metals, and metalloid were substantially reduced by the applied MBR and NF system. These observations were in good agreements with patterns in molecular weight distributions and fluorescence spectra. The major components of membrane fouling in the system for wastewater reclamation were the hydrophilic fractions; high-performance size-exclusion chromatography, fluorescence and infrared spectra, and XAD 8/4 resins revealed that the hydrophilic fractions (non-humic substances), comprising of protein-like substances and saccharide groups, are responsible for serious membrane fouling in the tested system for wastewater reclamation
URI
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DOI
10.5004/dwt.2010.1317
ISSN
1944-3994
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UEE_Journal Papers
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