Impact of dissolved organic matter (DOM) on parameter sensitivity of a kinetic ozone decomposition model
- Author
- Wim Audenaert (UGent) , Mathieu Vandevelde, Stijn Van Hulle (UGent) and Ingmar Nopens (UGent)
- Organization
- Abstract
- Ozone decomposition in real water is often empirically modeled due to the system complexity. Mechanistic models, however, can be of great value in view of engineering applications. The high number of model parameters often restricts their applicability. In this study, sensitivity analyses were used to determine the most important elementary reactions from a kinetic model and to understand the reaction mechanism. Only seven of the 28 rate constants showed to impact ozone and hydroxyl radical concentrations. Mass-transfer related parameters were of major importance. Ozone decomposition was extremely sensitive to parameters involving dissolved organic matter (DOM) at very low scavenger levels implying that even in ultrapure water systems impurities should be considered. To increase the applicability of mechanistic ozonation models, simplification of the elementary radical scheme combined with a more detailed description of reactions involving DOM is needed.
- Keywords
- Dissolved Organic Matter, Kinetics, Ozone, Sensitivity Analysis, Modeling, R-CT CONCEPT, WASTE-WATER, PULSE-RADIOLYSIS, OZONATION, OXIDATION, DISINFECTION, ACID, O-3, PH
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Citation
Please use this url to cite or link to this publication: http://hdl.handle.net/1854/LU-4173234
- MLA
- Audenaert, Wim, et al. “Impact of Dissolved Organic Matter (DOM) on Parameter Sensitivity of a Kinetic Ozone Decomposition Model.” OZONE-SCIENCE & ENGINEERING, vol. 35, no. 5, 2013, pp. 338–49, doi:10.1080/01919512.2013.797884.
- APA
- Audenaert, W., Vandevelde, M., Van Hulle, S., & Nopens, I. (2013). Impact of dissolved organic matter (DOM) on parameter sensitivity of a kinetic ozone decomposition model. OZONE-SCIENCE & ENGINEERING, 35(5), 338–349. https://doi.org/10.1080/01919512.2013.797884
- Chicago author-date
- Audenaert, Wim, Mathieu Vandevelde, Stijn Van Hulle, and Ingmar Nopens. 2013. “Impact of Dissolved Organic Matter (DOM) on Parameter Sensitivity of a Kinetic Ozone Decomposition Model.” OZONE-SCIENCE & ENGINEERING 35 (5): 338–49. https://doi.org/10.1080/01919512.2013.797884.
- Chicago author-date (all authors)
- Audenaert, Wim, Mathieu Vandevelde, Stijn Van Hulle, and Ingmar Nopens. 2013. “Impact of Dissolved Organic Matter (DOM) on Parameter Sensitivity of a Kinetic Ozone Decomposition Model.” OZONE-SCIENCE & ENGINEERING 35 (5): 338–349. doi:10.1080/01919512.2013.797884.
- Vancouver
- 1.Audenaert W, Vandevelde M, Van Hulle S, Nopens I. Impact of dissolved organic matter (DOM) on parameter sensitivity of a kinetic ozone decomposition model. OZONE-SCIENCE & ENGINEERING. 2013;35(5):338–49.
- IEEE
- [1]W. Audenaert, M. Vandevelde, S. Van Hulle, and I. Nopens, “Impact of dissolved organic matter (DOM) on parameter sensitivity of a kinetic ozone decomposition model,” OZONE-SCIENCE & ENGINEERING, vol. 35, no. 5, pp. 338–349, 2013.
@article{4173234, abstract = {{Ozone decomposition in real water is often empirically modeled due to the system complexity. Mechanistic models, however, can be of great value in view of engineering applications. The high number of model parameters often restricts their applicability. In this study, sensitivity analyses were used to determine the most important elementary reactions from a kinetic model and to understand the reaction mechanism. Only seven of the 28 rate constants showed to impact ozone and hydroxyl radical concentrations. Mass-transfer related parameters were of major importance. Ozone decomposition was extremely sensitive to parameters involving dissolved organic matter (DOM) at very low scavenger levels implying that even in ultrapure water systems impurities should be considered. To increase the applicability of mechanistic ozonation models, simplification of the elementary radical scheme combined with a more detailed description of reactions involving DOM is needed.}}, author = {{Audenaert, Wim and Vandevelde, Mathieu and Van Hulle, Stijn and Nopens, Ingmar}}, issn = {{0191-9512}}, journal = {{OZONE-SCIENCE & ENGINEERING}}, keywords = {{Dissolved Organic Matter,Kinetics,Ozone,Sensitivity Analysis,Modeling,R-CT CONCEPT,WASTE-WATER,PULSE-RADIOLYSIS,OZONATION,OXIDATION,DISINFECTION,ACID,O-3,PH}}, language = {{eng}}, number = {{5}}, pages = {{338--349}}, title = {{Impact of dissolved organic matter (DOM) on parameter sensitivity of a kinetic ozone decomposition model}}, url = {{http://doi.org/10.1080/01919512.2013.797884}}, volume = {{35}}, year = {{2013}}, }
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