A homogeneous catalyst, iron-tetrasulfophthalocyanine (FeTsPc), was electrostatically immobilized on the powdered anion exchange resin (Amb-FeTsPc) for the enhanced removal of selected pharmaceuticals and endocrine disrupting chemicals (EDC) (cefaclor, diclofenac, ibuprofen and bisphenol-A). It removed 40 ∼ 99% of four target pollutants. Moreover, the removal efficiencies were augmented to >99% in combination with hydrogen peroxide owing to the oxidation of pollutants via activated FeTsPc. The effect of pH on the removal efficiency was investigated in relation to the physicochemical properties, such as hydrophilicity, electric charge and oxidability, of target pollutants. The Amb-FeTsPc/ultrafiltration hybrid system showed high removal efficiencies for target compounds with negative charge and/or high oxidability (bisphenol-A: ∼90%, cefaclor: ∼100%, diclofenac: ∼100%) but relatively low removal efficiency for target compounds with low oxidability (ibuprofen: ∼60%) for 8 h of operation time. The removal mechanisms for all four compounds by Amb-FeTsPc were also investigated in terms of adsorption, ion exchange and oxidability.
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March 2010
This article was originally published in
Journal of Water Supply: Research and Technology-Aqua
Article Contents
Research Article|
March 01 2010
Removal of trace organic pollutants and removal mechanisms using catalyst-immobilized resin/ultrafiltration hybrid system
S. Kim;
S. Kim
1School of Chemical and Biological Engineering, Seoul National University, Seoul 151-744, South Korea
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J. H. Kim;
J. H. Kim
1School of Chemical and Biological Engineering, Seoul National University, Seoul 151-744, South Korea
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T. B. Yoon;
T. B. Yoon
1School of Chemical and Biological Engineering, Seoul National University, Seoul 151-744, South Korea
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C. H. Lee;
1School of Chemical and Biological Engineering, Seoul National University, Seoul 151-744, South Korea
Tel.: +82-2-880-7075 Fax: +82-2-888-1604; E-mail: [email protected]
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H. H. Kwon;
H. H. Kwon
2Department of Chemical and Environmental Engineering, Soong-sil University, Seoul 159-743, South Korea
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D. J. Lim
D. J. Lim
3School of Chemical Engineering & Technology, Yeungnam University, Gyeongsan 712-747, South Korea
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Journal of Water Supply: Research and Technology-Aqua (2010) 59 (2-3): 100–110.
Article history
Received:
May 04 2009
Accepted:
August 18 2009
Citation
S. Kim, J. H. Kim, T. B. Yoon, C. H. Lee, H. H. Kwon, D. J. Lim; Removal of trace organic pollutants and removal mechanisms using catalyst-immobilized resin/ultrafiltration hybrid system. Journal of Water Supply: Research and Technology-Aqua 1 March 2010; 59 (2-3): 100–110. doi: https://doi.org/10.2166/aqua.2010.039
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