On-line monitoring of ozonation through estimation of Ct value, bromate and AOC formation with UV/Vis spectrometry

P. S. Ross*, A. W C Van Der Helm, J. Van Den Broeke, L. C. Rietveld

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)
18 Downloads (Pure)

Abstract

The application of ozone in water treatment serves many purposes, such as disinfection and degradation of organic micro-pollutants. To optimise the applied ozone dosage by on-line control, real-time information on the actual Ct value, the bromate and assimilable organic carbon concentration (AOC) is necessary. With UV/Vis spectroscopy, algorithms have been developed for the on-line determination of the Ct-value and the formation of bromate and AOC during ozonation. It was shown that these algorithms allow for the calculation of the optimal ozone dosage and provide a reliable indication of the amount of bromate and AOC formed during ozonation.

Original languageEnglish
Pages (from-to)3148-3155
Number of pages8
JournalAnalytical Methods
Volume8
Issue number15
DOIs
Publication statusPublished - 21 Apr 2016

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