A full-scale ozonation reactor was characterised with respect to the overall oxidation budget by coupling laboratory kinetics with reactor hydraulics. The ozone decomposition kinetics and the ratio of the OH radical to the ozone concentration were determined in laboratory batch experiments. With the computer model aquasim these parameters could be coupled with the hydraulics of the ozonation reactor which allowed the prediction of the behaviour of ozone, chlorine, and micropollutants (e.g. atrazine) in the reactor. The comparison of measured and modelled concentration showed an excellent agreement. The present study summarises a general approach of how full scale ozonation reactors can be calibrated to assess disinfection, oxidation and minimise disinfection by-products, such as bromate
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October 1999
This article was originally published in
Journal of Water Supply: Research and Technology-Aqua
Article Contents
Research Article|
October 01 1999
Calibration of full-scale ozonation systems with conservative and reactive tracers
U. von Gunten;
U. von Gunten
*Swiss Federal Institute for Environmental Science and Technology, EAWAG, CH-8600 Dübendorf, Switzerl
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M. Elovitz;
M. Elovitz
*Swiss Federal Institute for Environmental Science and Technology, EAWAG, CH-8600 Dübendorf, Switzerl
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H.-P. Kaiser
H.-P. Kaiser
†Wasserversorgung Zürich, Hardhof 9, CH-8023 Zürich, Switzerl
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Journal of Water Supply: Research and Technology-Aqua (1999) 48 (6): 250–256.
Citation
U. von Gunten, M. Elovitz, H.-P. Kaiser; Calibration of full-scale ozonation systems with conservative and reactive tracers. Journal of Water Supply: Research and Technology-Aqua 1 October 1999; 48 (6): 250–256. doi: https://doi.org/10.2166/aqua.1999.0027
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