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A Residual Chlorine Removal Method To Allow Drinking Water Monitoring By Biological Early Warning Systems
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Book Synopsis A Residual Chlorine Removal Method to Allow Drinking Water Monitoring by Biological Early Warning Systems by :
Download or read book A Residual Chlorine Removal Method to Allow Drinking Water Monitoring by Biological Early Warning Systems written by and published by . This book was released on 2005 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aquatic biomonitors can provide continuous, real-time monitoring for toxicity in source water supplies, but they cannot be used to directly monitor chlorinated drinking waters because of aquatic organism sensitivity to residual chlorine. The threshold for a toxicity alarm by a biomonitor using bluegills (Lepomis macrochirus) was between 0.015 and 0.066 mg/L total residual chlorine (TRC). A portable dechlorinator that injected 6 mg/L sodium bisulfite into water containing 1.5 to 2.0 mg/L TRC was effective in removing TRC-related toxicity during a nine month evaluation at a water treatment plant. Three biomonitor alarms that occurred were not caused by dechlorinator malfunctions. In one-hour laboratory exposures to sodium bisulfite alone, the biomonitor did not respond until concentrations exceeded 48 mg/L. This study demonstrated the feasibility of using a biomonitor in conjunction with a portable dechlorinator for continuous monitoring of chlorinated drinking waters. Future studies should evaluate dechlorinator suitability in waters with total organic carbon levels exceeding 2 mg/L or that have been disinfected with chloramines.
Book Synopsis Rapid Chemical and Biological Techniques for Water Monitoring by : Catherine Gonzalez
Download or read book Rapid Chemical and Biological Techniques for Water Monitoring written by Catherine Gonzalez and published by John Wiley & Sons. This book was released on 2009-03-30 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rapid Chemical and Biological Techniques for Water Monitoring presents in one volume the broad spectrum of monitoring tools, both available and under development, and provides an assessment of their potential for underpinning environmental management and legislation. The book explores screening methods in the context of water policies; chemical methods; biological methods; potential use of screening methods; quality assurance and validation methods; integration of screening methods in water monitoring strategies. The text provides a timely source of information for post-graduates, researchers, and professionals involved in water management at all levels.
Book Synopsis Guidelines for Drinking-water Quality by : World Health Organization
Download or read book Guidelines for Drinking-water Quality written by World Health Organization and published by World Health Organization. This book was released on 1993 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume describes the methods used in the surveillance of drinking water quality in the light of the special problems of small-community supplies, particularly in developing countries, and outlines the strategies necessary to ensure that surveillance is effective.
Book Synopsis Guidance Manual for Disposal of Chlorinated Water by : Maria Tikkanen
Download or read book Guidance Manual for Disposal of Chlorinated Water written by Maria Tikkanen and published by American Water Works Association. This book was released on 2001 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Assessment of Chloramine and Chlorine Residual Decay in the Distribution System by : Zaid K. Chowdhury
Download or read book Assessment of Chloramine and Chlorine Residual Decay in the Distribution System written by Zaid K. Chowdhury and published by IWA Publishing. This book was released on 2007-03-01 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Maintaining chlorine and chloramine residual is a key factor that determines potability of distributed water. Decay of these disinfectants is affected by various water quality and infrastructure related factors. Understanding the decay of residuals in the distribution system is critical with respect to safe delivery of drinking water and in developing water quality models that can be used by utilities for the operation of potable water delivery systems. In order to comply with microbial and disinfection byproduct (M/DBP) regulations, water suppliers are continually investing in treatment processes for achieving greater levels of inactivation and DBP precursor removal. As a result of these changes in water quality, maintaining a disinfectant residual in the distribution system can be challenging Bench-scale testing has been used to determine the effect of advanced treatment (enhanced coagulation, granular activated carbon adsorption, ozonation, biofiltration, and ultraviolet irradiation) on chlorine and chloramine decay. Additional studies examine the effects of disinfectant dose, temperature, pH, blending, and rechlorination. The effects of water quality on pipe-wall demand were evaluated using the distribution system simulator at the U.S. Environmental Protection Agency's Test and Evaluation Center. Several models are developed regarding disinfectant decay, making it easier to predict chlorine demand after changes in treatment. The multi-species water quality analysis and network path analysis extensions to EPANET will make the modeling package more robust and will allow utilities to predict chlorine residual at any point in their distribution system with greater confidence.
Book Synopsis Drinking Water Distribution Systems by : National Research Council
Download or read book Drinking Water Distribution Systems written by National Research Council and published by National Academies Press. This book was released on 2006-12-22 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Guidance Manual for Compliance with the Filtration and Disinfection Requirements for Public Water Systems Using Surface Water Sources by : David J. Hiltebrand
Download or read book Guidance Manual for Compliance with the Filtration and Disinfection Requirements for Public Water Systems Using Surface Water Sources written by David J. Hiltebrand and published by . This book was released on 1991 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt: This manual suggests design operating and performance criteria for specific surface water quality conditions to provide the optimum protection from microbiological contaminants.
Book Synopsis Twort's Water Supply by : Malcolm J. Brandt
Download or read book Twort's Water Supply written by Malcolm J. Brandt and published by Butterworth-Heinemann. This book was released on 2016-09-03 with total page 968 pages. Available in PDF, EPUB and Kindle. Book excerpt: Twort's Water Supply, Seventh Edition, has been expanded to provide the latest tools and techniques to meet engineering challenges over dwindling natural resources. Approximately 1.1 billion people in rural and peri-urban communities of developing countries do not have access to safe drinking water. The mortality from diarrhea-related diseases amounts to 2.2 million people each year from the consumption of unsafe water. This update reflects the latest WHO, European, UK, and US standards, including the European Water Framework Directive. The book also includes an expansion of waste and sludge disposal, including energy and sustainability, and new chapters on intakes, chemical storage, handling, and sampling. Written for both professionals and students, this book is essential reading for anyone working in water engineering. Features expanded coverage of waste and sludge disposal to include energy use and sustainability Includes a new chapter on intakes Includes a new chapter on chemical storage and handling
Book Synopsis Handbook of Cyanobacterial Monitoring and Cyanotoxin Analysis by : Jussi Meriluoto
Download or read book Handbook of Cyanobacterial Monitoring and Cyanotoxin Analysis written by Jussi Meriluoto and published by John Wiley & Sons. This book was released on 2017-01-30 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt: A valuable handbook containing reviews, practical methods and standard operating procedures. A valuable and practical working handbook containing introductory and specialist content that tackles a major and growing field of environmental, microbiological and ecotoxicological monitoring and analysis Includes introductory reviews, practical analytical chapters and a comprehensive listing of almost thirty Standard Operating Procedures (SOPs) For use in the laboratory, in academic and government institutions and industrial settings Those readers will appreciate the research that validates and updates cyanotoxin monitoring and analysis plus adding to approaches for setting standard methods that can be applied worldwide. Wayne Carmichael, Analytical and Bioanalytical Chemistry (2018).
Book Synopsis Industrial Water Treatment Process Technology by : Parimal Pal
Download or read book Industrial Water Treatment Process Technology written by Parimal Pal and published by Butterworth-Heinemann. This book was released on 2017-03-31 with total page 615 pages. Available in PDF, EPUB and Kindle. Book excerpt: Industrial Water Treatment Process Technology begins with a brief overview of the challenges in water resource management, covering issues of plenty and scarcity-spatial variation, as well as water quality standards. In this book, the author includes a clear and rigorous exposition of the various water resource management approaches such as: separation and purification (end of discharge pipe), zero discharge approach (green process development), flow management approach, and preservation and control approach. This coverage is followed by deeper discussion of individual technologies and their applications. Covers water treatment approaches including: separation and purification—end of discharge pipe; zero discharge approach; flow management approach; and preservation and control approach Discusses water treatment process selection, trouble shooting, design, operation, and physico-chemical and treatment Discusses industry-specific water treatment processes
Book Synopsis The Science of Water by : Frank R. Spellman
Download or read book The Science of Water written by Frank R. Spellman and published by CRC Press. This book was released on 2018-11-14 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Science of Water: Concepts and Applications, Third Edition contains a wealth of scientific information and is based on real-world experience. Building on the second edition, this text applies the latest data and research in the field, and addresses water contamination as a growing problem. The book material covers a wide range of water contamin
Book Synopsis Nanofiltration Membranes by : Lau Woei Jye
Download or read book Nanofiltration Membranes written by Lau Woei Jye and published by CRC Press. This book was released on 2016-12-19 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covering fabrication, characterization, and applications nanofiltration (NF) membranes, this book provides a comprehensive overview of the development of NF membrane technology over the past decade. It uniquely covers a variety of fabrication techniques, comparing the procedures of each technique to produce polymeric membranes of different morphologies. The book also discusses advances in the materials used in thin film composite (TFC) polyamide membrane fabrication and their influences on properties with respect to structural and separation characteristics. A comprehensive review on NF characterization methods and techniques is provided, assessing physical and chemical properties and separation characteristics and stability. Technical challenges in fabricating a new generation of NF membranes are also reviewed and the possible approaches to overcome the challenges are provided. The book concludes with relevant case studies on the use of NF membranes in industrial implementation of both aqueous and nonaqueous media. Details the latest progress on the fabrication techniques of asymmetric and composite NF membranes. Discusses characterization methods used in assessing membrane physical/chemical properties, separation characteristics, and performance stability. Describes the potential of advanced materials in improving properties of polyamide selective layer as well as microporous substrate. Reviews the technical challenges in fabricating a new generation of composite membrane—thin film nanocomposite (TFN) membrane—possible approaches to overcome challenges. Offers case studies on the applications of NF membranes for both aqueous and nonaqueous media.
Book Synopsis Aquatic Organic Matter Fluorescence by : Paula G. Coble
Download or read book Aquatic Organic Matter Fluorescence written by Paula G. Coble and published by Cambridge University Press. This book was released on 2014-07-14 with total page 407 pages. Available in PDF, EPUB and Kindle. Book excerpt: A core text on principles, laboratory/field methodologies, and data interpretation for fluorescence applications in aquatic science, for advanced students and researchers.
Book Synopsis Biomonitors and Biomarkers as Indicators of Environmental Change 2 by : Frank M. Butterworth
Download or read book Biomonitors and Biomarkers as Indicators of Environmental Change 2 written by Frank M. Butterworth and published by Springer Science & Business Media. This book was released on 2012-02-02 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt: Monitoring the environment is absolutely essential if we are to identify hazards to human health, to assess environmental cleanup efforts, and to prevent further degradation of the ecosystem. Biomonitors and biomarkers combined with chemical monitoring offer the only approach to making these assessments. Based on an International Association of Great Lakes Research conference, this book is intended for researchers who want to incorporate new and different technologies in their development of specifically-crafted monitors; students who are learning the field of biomonitoring; and regulatory agencies that want to consider newer technologies to replace inadequate and less powerful test regimes.
Book Synopsis Watershed Management for Potable Water Supply by : National Research Council
Download or read book Watershed Management for Potable Water Supply written by National Research Council and published by National Academies Press. This book was released on 2000-02-17 with total page 569 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1997, New York City adopted a mammoth watershed agreement to protect its drinking water and avoid filtration of its large upstate surface water supply. Shortly thereafter, the NRC began an analysis of the agreement's scientific validity. The resulting book finds New York City's watershed agreement to be a good template for proactive watershed management that, if properly implemented, will maintain high water quality. However, it cautions that the agreement is not a guarantee of permanent filtration avoidance because of changing regulations, uncertainties regarding pollution sources, advances in treatment technologies, and natural variations in watershed conditions. The book recommends that New York City place its highest priority on pathogenic microorganisms in the watershed and direct its resources toward improving methods for detecting pathogens, understanding pathogen transport and fate, and demonstrating that best management practices will remove pathogens. Other recommendations, which are broadly applicable to surface water supplies across the country, target buffer zones, stormwater management, water quality monitoring, and effluent trading.
Book Synopsis Standard Methods for the Examination of Water and Wastewater by : American Public Health Association
Download or read book Standard Methods for the Examination of Water and Wastewater written by American Public Health Association and published by . This book was released on 1981 with total page 1254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1986 with total page 1140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
