The Influence Of Disinfection Processes On Heterotrophic Bacterial Growth In Distribution Systems
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The Influence Of Disinfection Processes On Heterotrophic Bacterial Growth In Distribution Systems
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Author : JiYoung Lee
language : en
Publisher:
Release Date : 1997
The Influence Of Disinfection Processes On Heterotrophic Bacterial Growth In Distribution Systems written by JiYoung Lee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.
Impact Of Distribution System Water Quality On Disinfection Efficacy
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Author : Hé́lène Baribeau
language : en
Publisher: American Water Works Association
Release Date : 2005
Impact Of Distribution System Water Quality On Disinfection Efficacy written by Hé́lène Baribeau and has been published by American Water Works Association this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Water categories.
Assesses the impact of dynamic water quality conditions in the distribution system on the inactivation of microorganisms in bulk water. Addresses questions about the usefulness of maintaining a secondary residual and the target level to be maintained. Bridges research related to distribution system water quality with that of microbial inactivation.
Heterotrophic Plate Counts And Drinking Water Safety
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Author : Bartram J.
language : en
Publisher: World Health Organization
Release Date : 2003-11-06
Heterotrophic Plate Counts And Drinking Water Safety written by Bartram J. and has been published by World Health Organization this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-11-06 with Medical categories.
This text prepared by an international group of experts addresses the 'heterotrophic plate count' test which is widely used in drinking-water assessment: what it detects (and what it does not detect) its direct and indirect health significance and its use in the safety management of drinking water supplies. It includes the consensus statement from an expert review meeting and takes account of the presentations and posters at an international conference on the theme co-sponsored by WHO and NSF-International. It provides valuable information on the utility and the limitations of HPC data in the management and operation of piped water systems as well as other means of providing drinking water to the public. It is of particular value to piped public water suppliers and bottled water suppliers manufacturers and users of water treatment and transmission equipment and inline treatment devices water engineers sanitary and clinical microbiologists and national and local public health officials and regulators of drinking water quality. ...The book will be of great value to the piped public water suppliers bottled water suppliers manufacturers users of water treatment and transmission equipment and online treatment device makers water supply engineers sanitary engineers clinical and water microbiologists national and local public health officials and regulators of drinking-water quality. - Indian Journal of Medical Research
Factors Limiting Microbial Growth In Distribution Systems
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Author : Mark W. LeChevallier
language : en
Publisher: American Water Works Association
Release Date : 1996
Factors Limiting Microbial Growth In Distribution Systems written by Mark W. LeChevallier and has been published by American Water Works Association this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Biofilms categories.
Coliforms In Distribution Systems
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Author : Graham A. Gagnon
language : en
Publisher: American Water Works Association
Release Date : 2007
Coliforms In Distribution Systems written by Graham A. Gagnon and has been published by American Water Works Association this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Drinking water categories.
The objective of this project is to understand the potential mechanisms of antimicrobial resistance of E. coli and opportunistic pathogens under disinfection conditions. The project involves molecular techniques to understand genetic changes in biofilm and suspended bacteria in response to different disinfectant conditions. It examines the effects of using single chemical disinfectants (free chlorine, chloramines, and chlorine dioxide) compared with UV light pretreatment, as well as the impact of pipe material (polycarbonate or cast iron) and E. coli mutations. Field studies include both surface water and groundwater.
Influence Of Distribution System Infrastructure On Bacterial Regrowth
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Author : Jonathan Clement
language : en
Publisher: IWA Publishing
Release Date : 2004-01-01
Influence Of Distribution System Infrastructure On Bacterial Regrowth written by Jonathan Clement and has been published by IWA Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-01-01 with Science categories.
This study has shown that higher levels of carbon supported greater biofilm growth and planktonic populations on the materials that were tested, although the effect was most pronounced on iron pipe. Utilities with significant amounts of iron pipe in their distribution systems may be faced with the greatest regrowth potential. For utilities that also distribute water that is high in natural carbon, this problem may be compounded. Therefore, reducing the organic carbon in the finished water may be effective for any utility wishing to reduce regrowth problems in their distribution system. Other alternatives for utilities wishing to reduce biofilms in the distribution system can include any or all of the following: replacing or relining iron pipe in the system, increasing disinfectant, and implementing effective corrosion control. Originally published by AwwaRF for its subscribers in 2003
Managing Bacterial Regrowth And Presence In Drinking Water Distribution Systems
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Author : Soumya Srinivasan
language : en
Publisher:
Release Date : 2008
Managing Bacterial Regrowth And Presence In Drinking Water Distribution Systems written by Soumya Srinivasan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.
Drinking Water Distribution Systems
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2007-01-22
Drinking Water Distribution Systems written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-01-22 with Science categories.
Protecting and maintaining water distributions systems is crucial to ensuring high quality drinking water. Distribution systems-consisting of pipes, pumps, valves, storage tanks, reservoirs, meters, fittings, and other hydraulic appurtenances-carry drinking water from a centralized treatment plant or well supplies to consumers' taps. Spanning almost 1 million miles in the United States, distribution systems represent the vast majority of physical infrastructure for water supplies, and thus constitute the primary management challenge from both an operational and public health standpoint. Recent data on waterborne disease outbreaks suggest that distribution systems remain a source of contamination that has yet to be fully addressed. This report evaluates approaches for risk characterization and recent data, and it identifies a variety of strategies that could be considered to reduce the risks posed by water-quality deteriorating events in distribution systems. Particular attention is given to backflow events via cross connections, the potential for contamination of the distribution system during construction and repair activities, maintenance of storage facilities, and the role of premise plumbing in public health risk. The report also identifies advances in detection, monitoring and modeling, analytical methods, and research and development opportunities that will enable the water supply industry to further reduce risks associated with drinking water distribution systems.
Water Treatment And Pathogen Control
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Author : LeChevallier M.W.
language : en
Publisher: World Health Organization
Release Date : 2004-09-24
Water Treatment And Pathogen Control written by LeChevallier M.W. and has been published by World Health Organization this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-09-24 with Business & Economics categories.
Annotation This publication provides a critical analysis of the literature on removal and inactivation of pathogenic microbes in water to aid the water quality specialist and design engineer in making decisions regarding microbial water quality.
Microbial Growth In Drinking Water Supplies
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Author : Dick van der Kooij
language : en
Publisher: IWA Publishing
Release Date : 2013-09-14
Microbial Growth In Drinking Water Supplies written by Dick van der Kooij and has been published by IWA Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-09-14 with Science categories.
Maintaining the microbial quality in distribution systems and connected installations remains a challenge for the water supply companies all over the world, despite many years of research. This book identifies the main concerns and knowledge gaps related to regrowth and stimulates cooperation in future research. Microbial Growth in Drinking Water Supplies provides an overview of the regrowth issue in different countries and the water quality problems related to regrowth. The book assesses the causes of regrowth in drinking water and the prevention of regrowth by water treatment and distribution. Editors: Dirk van der Kooij and Paul W.J.J. van der Wielen, KWR Watercycle Research Institute, The Netherlands