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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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Pharmaceutical rejection by membranes for wastewater reclamation and reuse

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Title
Pharmaceutical rejection by membranes for wastewater reclamation and reuse
Author
Park, GYLee, JHKim, ISCho, Jaeweon
Keywords
J0/k ratio;  Nanofiltration;  Pharmaceuticals;  Ultrafiltration;  Wastewater reuse
Issue Date
2004-09
Publisher
IWA PUBLISHING
Citation
WATER SCIENCE AND TECHNOLOGY, v.50, no.2, pp.239 - 244
Abstract
Various membranes, which have different materials and nominal molecular weight cut-offs (MWCO), were compared in terms of rejection of ibuprofen and removal of effluent organic matter (EfOM) from membrane bioreactor (MBR), because pharmaceutical compounds contain a potential risk and EfOM is the precursor of carcinogenic disinfection by-products when reusing for drinking water source. To provide equivalent comparison with respect to hydrodynamic condition, mass transfer parameter, J(0)/k ratio, was used. A tight-UF membrane with a molecular weight cut off of 8,000 daltons exhibited 25similar to95% removal efficiencies of ibuprofen with a molecular weight of 206 with and without presence of EfOM(MBR).EfOM(MBR) caused the reduction of ibuprofen removal efficiency for UF membrane. Rejection of EfOM(MBR) by UF and NF membranes ranged 29similar to47% and 69similar to86%, respectively. UF membrane could successfully remove ibuprofen at lower J(0)/k ratio range (less than or equal to1) in organic free water but could not efficiently reject ibuprofen with a relatively hydrophilic EfOMMBR (SUVAless than or equal to3)
URI
https://scholarworks.unist.ac.kr/handle/201301/11901
ISSN
0273-1223
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