An overview of the Advanced Oxidation Processes (AOP) studied for the degradation of pesticides combined with the formation of by-products is presented. It was found that the degree of conversion of pesticides is about the same with the Fenton process and UV/H2O2 within the margin of practical application, but slightly different with ozone/H2O2. Bentazone is readily degraded by the latter process, but more persistent during water treatment with the Fenton process and UV/H2O2, whilst atrazine is difficult to convert with all of these processes. Although bromate formation cannot be avoided completely with ozone/H2O2, it can be realized with the Fenton process and UV/H2O2. Upon degradation of pesticides with UV/H2O2 nitrite is produced, the amount depending on the water quality with respect to the nitrate concentration. Based on the a-selective nature of the hydroxyl radical AOC is formed out of DOC, which indicates that ozone/H2O2, the Fenton process as well as UV/H2O2 should be applicable for the development of biological GAC filtration.
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Research Article|
January 01 2002
Advanced oxidation technologies for the degradation of pesticides in ground water and surface water Available to Purchase
G.F. Ijpelaar;
G.F. Ijpelaar
*Kiwa N.V., Research and Consultancy, P.O. Box 1072, 3430 BB Nieuwegein, The Netherlands
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M. Groenendijk;
M. Groenendijk
**N.V. WNWB Water Supply Company ‘North-West-Brabant’, P.O. Box 3444, 4800 DK Breda, The Netherlands
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R. Hopman;
R. Hopman
*Kiwa N.V., Research and Consultancy, P.O. Box 1072, 3430 BB Nieuwegein, The Netherlands
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Joop C. Kruithof
Joop C. Kruithof
***N.V. PWN Water Supply Company North Holland, P.O. Box 2113, 1990 AC Velserbroek, The Netherlands
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Water Supply (2002) 2 (1): 129–138.
Citation
G.F. Ijpelaar, M. Groenendijk, R. Hopman, Joop C. Kruithof; Advanced oxidation technologies for the degradation of pesticides in ground water and surface water. Water Supply 1 January 2002; 2 (1): 129–138. doi: https://doi.org/10.2166/ws.2002.0017
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