A simple biofilm model was developed to describe the growth of bacteria in drinking water biofilms and the subsequent interactions with disinfectant residuals incorporating the important processes, such as attachment of free bacteria to the biofilm on a wall surface, detachment of bacteria from the biofilm, growth of biofilm bacteria with chloramine inhibition, chloramine decay in the bulk water phase, and chloramine decay due to biofilm bacteria and wall surfaces. The model is useful in evaluating the biological stability of different waters, as it can predict concentration of organic substances in water. In addition, the model can be used to predict the bacterial growth and biofilm decay in distribution systems. A model of this kind is a useful tool in developing system management strategies to ultimately improve drinking water quality.
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Research Article|
February 01 2000
Modelling biofilm growth and disinfectant decay in drinking water
V. Jegatheesan;
V. Jegatheesan
1Cooperative Research Centre for Water Quality and Treatment, Hodgson Road, Bolivar, S.A., 5108, Australia
Australian Water Technologies – Environment, Science and Technology, PO Box 73, West Ryde, NSW 2114, Australia
Australian Water Technologies – Environment, Science and Technology, PO Box 73, West Ryde, NSW 2114, Australia
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G. Kastl;
G. Kastl
1Cooperative Research Centre for Water Quality and Treatment, Hodgson Road, Bolivar, S.A., 5108, Australia
Australian Water Technologies – Environment, Science and Technology, PO Box 73, West Ryde, NSW 2114, Australia
Australian Water Technologies – Environment, Science and Technology, PO Box 73, West Ryde, NSW 2114, Australia
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I. Fisher;
I. Fisher
1Cooperative Research Centre for Water Quality and Treatment, Hodgson Road, Bolivar, S.A., 5108, Australia
Australian Water Technologies – Environment, Science and Technology, PO Box 73, West Ryde, NSW 2114, Australia
Australian Water Technologies – Environment, Science and Technology, PO Box 73, West Ryde, NSW 2114, Australia
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M. Angles;
M. Angles
1Cooperative Research Centre for Water Quality and Treatment, Hodgson Road, Bolivar, S.A., 5108, Australia
Australian Water Technologies – Environment, Science and Technology, PO Box 73, West Ryde, NSW 2114, Australia
Australian Water Technologies – Environment, Science and Technology, PO Box 73, West Ryde, NSW 2114, Australia
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J. Chandy
J. Chandy
1Cooperative Research Centre for Water Quality and Treatment, Hodgson Road, Bolivar, S.A., 5108, Australia
Australian Water Technologies – Environment, Science and Technology, PO Box 73, West Ryde, NSW 2114, Australia
Australian Water Technologies – Environment, Science and Technology, PO Box 73, West Ryde, NSW 2114, Australia
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Water Sci Technol (2000) 41 (4-5): 339–345.
Citation
V. Jegatheesan, G. Kastl, I. Fisher, M. Angles, J. Chandy; Modelling biofilm growth and disinfectant decay in drinking water. Water Sci Technol 1 February 2000; 41 (4-5): 339–345. doi: https://doi.org/10.2166/wst.2000.0464
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