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2011•Environmental ChemistryRequires access

EFFECT OF COMBINED DISINFECTION WITH CHLORINE AND CHLORINE DIOXIDE ON THE FORMATION OF DISINFECTION BY-PRODUCTS IN DRINKING WATER

Wei Jianrong

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Abstract

In an effect to explore the production mechanisms and characteristics of the by-products in different water disinfection processes,and to investigate the effect of chlorine dioxide on the formation of chlorine by-products,water samples from 4 water plants in a city in China were analyzed.Compared with the water disinfected with chlorine alone,the amount of THMs and HAAs decreased by 74.39% and 40.65%,respectively,in water samples disinfected with both chlorine dioxide and chlorine.Likewise,the amounts of chlorate and chlorite produced by the chlorine dioxide chemical generator was higher than that of the pure chlorine dioxide generator.

About this research paper

What this paper is about

In an effect to explore the production mechanisms and characteristics of the by-products in different water disinfection processes,and to investigate the effect of chlorine dioxide on the formation of chlorine by-products,water samples from 4 water plants in a city in China were analyzed.Compared with the water disinfected with chlorine alone,the amount of THMs and HAAs decreased by 74.39% and 40.65%,respectively,in water samples disinfected with both chlorine dioxide and chlorine.Likewise,the amounts of chlorate and chlorite produced by the chlorine dioxide chemical generator was higher than that of the pure chlorine dioxide generator.

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Available abstract

In an effect to explore the production mechanisms and characteristics of the by-products in different water disinfection processes,and to investigate the effect of chlorine dioxide on the formation of chlorine by-products,water samples from 4 water plants in a city in China were analyzed.Compared with the water disinfected with chlorine alone,the amount of THMs and HAAs decreased by 74.39% and 40.65%,respectively,in water samples disinfected with both chlorine dioxide and chlorine.Likewise,the amounts of chlorate and chlorite produced by the chlorine dioxide chemical generator was higher than that of the pure chlorine dioxide generator.

Key concepts: Chlorine dioxide, Chlorate, Chlorine, Chemistry, Chlorite, Environmental chemistry, Water disinfection, Water treatment

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EFFECT OF COMBINED DISINFECTION WITH CHLORINE AND CHLORINE DIOXIDE ON THE FORMATION OF DISINFECTION BY-PRODUCTS IN DRINKING WATER — Research Paper | ScholarLens