This work investigates the effects of ultraviolet (UV)/H2O2 advanced oxidation on the content and characteristics of natural organic matter (NOM) originating from two different groundwaters (3.03–9.69 mg/L total organic carbon (TOC), 2.71–4.31 Lmg−1m−1 specific ultraviolet absorbance (SUVA)). Application of UV irradiation resulted in a minor reduction in the total content of NOM. Using UV/H2O2 advanced oxidation led to a significant reduction of the aromatic character of NOM (SUVA was reduced by up to 80%) and an increase in the hydrophilic character of the residual NOM, with the optimal UV/H2O2 treatment conditions depending on the water type. In addition, fluctuations in trihalomethane formation potential (THMFP) were observed depending on the UV/H2O2 process conditions, with a maximal reduction of about 40% achieved for both waters.
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Research Article|
August 13 2014
The effects of ultraviolet/H2O2 advanced oxidation on the content and characteristics of groundwater natural organic matter Available to Purchase
J. Molnar;
1University of Novi Sad Faculty of Sciences, Trg Dositeja Obradovića 3, 21000 Novi Sad, Serbia
E-mail: [email protected]
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J. Agbaba;
J. Agbaba
1University of Novi Sad Faculty of Sciences, Trg Dositeja Obradovića 3, 21000 Novi Sad, Serbia
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A. Tubić;
A. Tubić
1University of Novi Sad Faculty of Sciences, Trg Dositeja Obradovića 3, 21000 Novi Sad, Serbia
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M. Watson;
M. Watson
1University of Novi Sad Faculty of Sciences, Trg Dositeja Obradovića 3, 21000 Novi Sad, Serbia
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M. Kragulj;
M. Kragulj
1University of Novi Sad Faculty of Sciences, Trg Dositeja Obradovića 3, 21000 Novi Sad, Serbia
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S. Rončević;
S. Rončević
1University of Novi Sad Faculty of Sciences, Trg Dositeja Obradovića 3, 21000 Novi Sad, Serbia
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B. Dalmacija
B. Dalmacija
1University of Novi Sad Faculty of Sciences, Trg Dositeja Obradovića 3, 21000 Novi Sad, Serbia
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Water Supply (2015) 15 (1): 34–41.
Article history
Received:
May 20 2014
Accepted:
July 31 2014
Citation
J. Molnar, J. Agbaba, A. Tubić, M. Watson, M. Kragulj, S. Rončević, B. Dalmacija; The effects of ultraviolet/H2O2 advanced oxidation on the content and characteristics of groundwater natural organic matter. Water Supply 1 February 2015; 15 (1): 34–41. doi: https://doi.org/10.2166/ws.2014.081
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