Influence Of Distribution System Infrastructure On Bacterial Regrowth
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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
Influence Of Distribution System Infrastructure On Bacterial Regrowth
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Author :
language : en
Publisher:
Release Date : 2003
Influence Of Distribution System Infrastructure On Bacterial Regrowth written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Bacterial growth categories.
Long Term Effects Of Disinfection Changes On Water Quality
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Author : John E. Dyksen
language : en
Publisher: American Water Works Association
Release Date : 2007
Long Term Effects Of Disinfection Changes On Water Quality written by John E. Dyksen 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 Water categories.
In response to many U.S. water utilities that are considering changing disinfectants from chlorine to alternative disinfectants, this research has been undertaken to gain knowledge of long-term effects.
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.
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.
Bacterial Regrowth In Distribution Systems
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Author : William G. Characklis
language : en
Publisher: American Water Works Association
Release Date : 1988
Bacterial Regrowth In Distribution Systems written by William G. Characklis 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 1988 with Algal blooms categories.
Advances In Biofilm Science And Engineering
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Author : Ryan Jordan
language : en
Publisher: Cytergy
Release Date : 2004
Advances In Biofilm Science And Engineering written by Ryan Jordan and has been published by Cytergy this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Biofilms categories.
Microbial biofilms provide challenges in many fields of science, technology, and engineering. Advances in Biofilm Science and Engineering offers a state of the art review of new science about microbial biofilms in the areas of biotechnology, healthcare, and medicine.The purpose of this text is to strengthen [the biofilm] information nucleus by offering six core discussions of established concepts in biofilm science. The audience for this text is not just academic; it is trade. This book is for physicians, industrial microbiologists, product managers, process engineers, policy makers and public health officials. [The] authors represent some of the brightest researchers in the field of biofilm science and engineering and comprise a small subset of the research community with a passion for bringing biofilm information to industrial and medical trade professionals.Table of ContentsForward, by Ryan JordanChapter 1. The History and Use of Heterotrophic Plate Counts in Water Systems, by Anne Camper (Center for Biofilm Engineering, Montana State University)Chapter 2. Methods for Biofilm Study and Assays for Biofilm Susceptibility and Target Recognition: Approaches to Deal with the Biofilm Mode of Life, by Howard Ceri, Merle E. Olson, D. Storey, and D. Morck (Biofilm Research Group and Biological Sciences, University of Calgary)Chapter 3. Extracellular Polymeric Substances, by H.C. Flemming and J. Wingender (Gerhard-Mercator-University Duisburg Insitute of Interfacial Biotechnology Department of Aquatic Microbiology, Duisburg, Germany)Chapter 4. Biofilms and Antimicrobial Resistance: Beyond Physiological and Chemical Elements, by Peter Gilbert and Andrew McBain (School of Pharmacy and Pharmaceutical Sciences, University of Manchester)Chapter 5. Diverse Mechanisms of Biofilm Formation, by Lisa Friedman and Roberto Kolter (Department of Microbiology and Molecular Genetics, Harvard Medical School)Chapter 6. Biofilm Formation and Control in Food Processing Environments, by Amy C. Lee Wong (Department of Food Microbiology and Toxicology, Food Research Institute, University of Wisconsin-Madison)
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.
Biodegradable Organic Matter In Drinking Water Treatment And Distribution
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Author : Michèle Prévost
language : en
Publisher:
Release Date : 2005
Biodegradable Organic Matter In Drinking Water Treatment And Distribution written by Michèle Prévost and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Technology & Engineering categories.
This compilation covers all aspects of biodegradable organic matter in drinking water by addressing the improvement made to water treatment and quality during the last 20 years. This book is a must for researchers and a valuable reference and guidance tool for all water producers.
Estimating Health Risks From Infrastructure Failures
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Author :
language : en
Publisher: American Water Works Association
Release Date : 2006
Estimating Health Risks From Infrastructure Failures written by 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 2006 with Drinking water categories.
Health risks from infrastructure failures are not well understood, despite the potential widespread introduction of chemical, microbial, and physical contaminants, as well as service disruptions. This study gathered input from various experts to define these issues. A strategy for intervention and mitigation was developed along with and mechanisms for timely, direct, inter-agency communication, coordination, and collaboration.