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Mrs. Taise Vargas
Universidade Federal de Rondônia

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Research Keywords & Expertise

0 Disinfection
0 Drinking Water Quality
0 Brazilian Amazon
0 free chlorination
0 chlorine kinetics

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Short Biography

Graduated in Biological Sciences at the Federal University of Rondônia (2006) and Master in Experimental Biology at the Federal University of Rondônia (2008). I am a member of the Regional Council of Biology 6th Region and a PhD student at the Federal University of Rondônia through the program of the Biodiversity and Biotechnology Network of the Legal Amazon - BIONORTE. Specialist in the field of microbiology and experience with water treatment, water quality and disinfection.

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Journal article
Published: 04 April 2021 in Water
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The concentration of chlorine in water declines as it reacts with various substances, causing decay of the residual free chlorine until its total consumption. In light of the typical characteristics of the water from protected dug wells and tube wells, this study aimed to evaluate the decay kinetics of free chlorine in the water of alternative individual supply (AIS) solutions used in the city of Porto Velho in the Brazilian Amazon region. The free chlorine decay constant in the water was evaluated by “bottle tests,” applying a first-order model. According to the results, the type of well and initial chlorine concentration significantly influences the free chlorine decay speed. The water samples from the tubular wells had lower chlorine demand levels, attributed to their better water quality. The simulation of the residual chlorine decay in the different supply sources is an important tool to support safe disinfection processes.

ACS Style

Taise Vargas; Célia Baía; Tatiana Machado; Caetano Dórea; Wanderley Bastos. Decay of Free Residual Chlorine in Wells Water of Northern Brazil. Water 2021, 13, 992 .

AMA Style

Taise Vargas, Célia Baía, Tatiana Machado, Caetano Dórea, Wanderley Bastos. Decay of Free Residual Chlorine in Wells Water of Northern Brazil. Water. 2021; 13 (7):992.

Chicago/Turabian Style

Taise Vargas; Célia Baía; Tatiana Machado; Caetano Dórea; Wanderley Bastos. 2021. "Decay of Free Residual Chlorine in Wells Water of Northern Brazil." Water 13, no. 7: 992.