Predicting Chlorine Residuals in Drinking Water: Second Order Model
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Volume 128, Issue 2
Abstract
A major objective of drinking water treatment is to provide water that is both microbiologically and chemically safe for human consumption. Drinking water chlorination, therefore, poses a dilemma. Chemical disinfection reduces the risk of infectious disease, but the interaction between chemical disinfectants and precursor materials in source water may result in potentially harmful by-products. Chlorine consumption results in the formation of by-products, and the loss of chlorine residual reduces protection against potentially pathogenic bacteria. Therefore, much effort has been invested in characterizing the loss of chlorine residuals in raw and treated water. This paper presents a mathematical model based on the use of two second-order terms for predicting this loss or decay.
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Published In
Journal of Water Resources Planning and Management
Volume 128 • Issue 2 • March 2002
Pages: 152 - 161
Copyright
Copyright © 2002 American Society of Civil Engineers.
History
Received: Sep 5, 2000
Accepted: Jun 18, 2001
Published online: Mar 1, 2002
Published in print: Mar 2002
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