Journal ArticleDOI
A Review of Chlorine Dioxide in Drinking Water Treatment
E. Marco Aieta,James D. Berg +1 more
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TLDR
The physical, chemical, and biological properties of chlorine dioxide as they relate to water treatment are reviewed in this paper, where the generation reactions as well as the reactions likely to occur in treated water are presented.Abstract:
There is increased interest in using chlorine dioxide to treat drinking water for trihalomethane control, taste and odor control, oxidation of iron and manganese, and oxidant-enhanced coagulation -sedimentation. This article reviews the physical, chemical, and biological properties of chlorine dioxide as they relate to water treatment. The generation reactions as well as the reactions likely to occur in treated water are presented. In addition, the biological properties of chlorine dioxide are reviewed and compared with other common disinfectants.read more
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Comparison of disinfection byproduct formation from chlorine and alternative disinfectants
Guanghui Hua,David A. Reckhow +1 more
TL;DR: Results showed that preozonation decreased the formation of trihalomethanes, haloacetic acids (HAAs) and total organic halogen (TOX) for most waters during postchlorination, while a net increase in THMs, HAAs and TOX was observed for a water of low humic content.
Journal ArticleDOI
Efficacy of Chlorine Dioxide, Ozone, and Thyme Essential Oil or a Sequential Washing in Killing Escherichia coli O157:H7 on Lettuce and Baby Carrots
TL;DR: In this paper, the efficacy of these sanitizers was evaluated, alone or through their sequential washing to achieve a 3 or more log reduction of mixed strains of E. coli O157:H7 on shredded lettuce and baby carrots.
Journal ArticleDOI
Oxidation Processes in Water Treatment: Are We on Track?
TL;DR: In this paper, the authors proposed a knowledge-based system to predict reaction kinetics, controlling the efficiency of the process, mechanisms of transformation product formation, extent of formation of disinfection byproducts from the matrix, and oxidation induced biological effects.
Journal ArticleDOI
Modeling Water Treatment Chemical Disinfection Kinetics
Lyndon L. Gyürék,Gordon R. Finch +1 more
TL;DR: It was found that the Chick–Watson model did not adequately represent the ozone disinfection kinetics, and a Hom-type model incorporating a first-order disappearance term for ozone residual was found to best describe the observed inactivation of heterotrophic plate count bacteria.
References
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Physicochemical processes for water quality control
TL;DR: In this article, the Physicochemical processes for water quality contro, the authors propose a method to control the water quality in a water supply system by using Physically-Chemical Processes for Water Quality Control.
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Kinetics and Mechanism of Bacterial Disinfection by Chlorine Dioxide
TL;DR: Initial experiments support the thesis that the mechanism of chlorine dioxide kill occurs via disruption of protein synthesis, and follow fractional order kinetics with respect to survival concentration.
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Efficiency of Chlorine Dioxide as a Bactericide
TL;DR: Chlorine dioxide was found to be a more effective disinfectant than chlorine in sewage effluent at pH 8.5 and a more stable bactericide in relation to pH in the range studied.
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Reactions of chlorine with selected aromatic models of aquatic humic material
TL;DR: A series of compounds designed to model the monomeric components of aquatic humic material was reacted with aqueous chlorine at pH 7.5 and the results showed that all the compounds produced measurable amounts of chloroform with resorcinol derivatives showing the greatest yields as discussed by the authors.