drinking water disinfection techniques

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Drinking Water Disinfection Techniques

Author : Jyoti Kishen Kumar
ISBN : 9781439877401
Genre : Technology & Engineering
File Size : 28. 87 MB
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Water is our natural heritage, our miracle of life. However, our increasingly technological society has become indifferent to water. Far from being pure, modern drinking water around the world contains many undesirable chemical and bacterial contaminants. The existing techniques employed for the disinfection of water are either energy-intensive or have by-products harmful to human health. Drinking Water Disinfection Techniques reviews these processes and explores novel technologies for water disinfection synergistic with existing techniques. The book covers a wide audience and gives a comprehensive review of various physical, chemical, and hybrid techniques commonly used for the disinfection of water as well as newer emerging technologies in terms of their mode of action, scale of operation, efficacy, merits, and demerits. It broadly addresses the issues related to water disinfection in three sections: Disinfection techniques—chemical, physical, and hybrid (combination)—and their likely scale of operation efficacy Disinfection by-product as a function of water source and the type of treatment Emerging and novel techniques, including new work on cavitation, an economical, energy-efficient, and simple alternative to the conventional methods of disinfection Drinking Water Disinfection Techniques effectively combines the chemical, physical, biological, and engineering principles of water disinfection in one text. Discussing both conventional and novel techniques used for disinfection and the economics involved, the book gives a comprehensive review of various physical, chemical, and hybrid techniques used for disinfection to create potable water.

Drinking Water And Health Volume 7

Author : National Research Council
ISBN : 9780309037419
Genre : Nature
File Size : 58. 50 MB
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Chlorination in various forms has been the predominant method of drinking water disinfection in the United States for more than 70 years. The seventh volume of the Drinking Water and Health series addresses current methods of drinking water disinfection and compares standard chlorination techniques with alternative methods. Currently used techniques are discussed in terms of their chemical activity, and their efficacy against waterborne pathogens, including bacteria, cysts, and viruses, is compared. Charts, tables, graphs, and case studies are used to analyze the effectiveness of chlorination, chloramination, and ozonation as disinfectant processes and to compare these methods for their production of toxic by-products. Epidemiological case studies on the toxicological effects of chemical by-products in drinking water are also presented.

Control Of Disinfection By Products In Drinking Water Systems

Author : Anastasia Nikolau
ISBN : 1600213227
Genre : Nature
File Size : 81. 22 MB
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The occurrence of disinfection by-products (DBPs) in drinking water has been an issue of major concern during several decades. The formation of many DBPs species during water disinfection has been documented, while new by-products are still being detected, as the analytical instrumentation available becomes more accurate and sensitive. Most of the DBPs have been proven to have toxic effects on living organisms; therefore they pose risks to human health during drinking water consumption. The factors affecting their formation have been extensively investigated, their transport and fate have been studied, modelling efforts for several of them have been performed, in order to understand better their behaviour and therefore try to minimise their occurrence in waters. Techniques for their removal from water have also been applied, and a variety of disinfection methods or combinations of disinfecting agents have been investigated with the aim to produce safe drinking water containing the minimum possible concentrations of DBPs. This book deals with the advances in control of DBPs in drinking water systems. Further than an providing an overview of existing disinfection techniques and by-products, up-to-date information on the parameters affecting the procedures of DBPs formation, analytical methods for their determination, toxicity, regulation, it pays special emphasis on the advanced treatment methods applied recently for DBPs control and presents recent promising findings as well as case studies in this field, as the relevant research is proceeding, producing more knowledge and practical solutions in regard to the disinfected drinking water quality.

Drinking Water Management

Author : Jebagnanam Cyril Kanmony
ISBN : 8183243460
Genre : Drinking water
File Size : 27. 48 MB
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Study with special reference to Kanyakumari District of Tamil Nadu, India.

Water Treatment

Author :
ISBN : 9781613001080
Genre : Water
File Size : 43. 82 MB
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Disinfection Byproducts In Drinking Water

Author : Yuefeng Xie
ISBN : 0203486919
Genre : Technology & Engineering
File Size : 83. 97 MB
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The EPA has established regulations which classify four types of disinfection byproducts - TTHMs, haloacetic acids, bromate, and chlorite - and requires public water systems limit these byproducts to specific levels. Most of the information required to comply with these standards is either scattered throughout the literature or derived from conferences or symposiums. Disinfection Byproducts in Drinking Water: Formation, Analysis, and Control pulls all the information together to provide a needed organized presentation of disinfection byproduct analysis, formation, and control. The author begins with an introduction to all disinfection byproducts (DBPs), including their nomenclatures, molecular structures, and formation. He discusses the effects of various water quality parameters on the formation and stability of DBPs in drinking water. He further examines DBP degradation reactions, the effects of various water treatment processes on the formation and removal of DBPs, various technologies for DBP removal and control in drinking water, and the formation and control of inorganic DBPs. The text also reviews past, current, and future regulations, as well as current analytical methods and data evaluation for disinfection byproducts monitoring. Bringing together the findings of many notable researchers in the field, Disinfection Byproducts in Drinking Water serves as a practical guide to understanding the formation of disinfection byproducts and explaining how they are analyzed and controlled. Chemists in plants and laboratories will value the analytical techniques offered in the book, and plant engineers will benefit from the formation and control information.

Computational Fluid Dynamics In Drinking Water Treatment

Author : Bas Wols
ISBN : 9781780400310
Genre : Science
File Size : 77. 72 MB
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Computational Fluid Dynamics (CFD) uses advanced numerical models to predict flow, mixing and (bio)-chemical reactions. In drinking water engineering, CFD is increasingly applied to predict the performance of treatment installations and to optimise these installations. A lack of understanding of the hydraulics in drinking water treatment systems has resulted in suboptimal design of installations. The formation of unwanted disinfection-by-products and the energy consumption or use of chemicals is therefore higher than necessary. The aim of this work is to better understand the hydraulic and (bio)-chemical processes in drinking water treatment installations using experimental and numerical techniques. By combining these techniques, CFD modelling is further developed as a tool to evaluate the performance of these installations. This leads to new insights in the applicability of models in ozone and UV systems, and new insights in design concepts of these systems. CFD modelling proves to be a powerful tool to understand the hydrodynamic and (bio)-chemical processes in drinking water systems. If applied properly, accounting for the complex turbulent motions and validated by experiments, this tool leads to a better design of UV reactors, ozone systems and other systems dictated by hydraulics.

Modern Techniques In Water And Wastewater Treatment

Author : LO Kolarik
ISBN : 9780643105782
Genre : Science
File Size : 85. 12 MB
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This book is the outcome of the CSIRO/UNIDO workshop in wastewater treatment. The papers presented at the workshop and published in this book provide an insight into the characteristics and applicability of the various methods used to treat water and wastewater as well as examples of both the theory and practice of these technologies. The authors include research scientists, technical consultants and industry practitioners who provide a wide range of views.

Treatment Techniques For Controlling Trihalomethanes In Drinking Water

Author : James M. Symons
ISBN : UCR:31210025034735
Genre : Drinking water
File Size : 55. 92 MB
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Choosing Disinfection Alternatives For Water Wastewater Treatment Plants

Author : Frank R. Spellman
ISBN : 1566767571
Genre : Technology & Engineering
File Size : 89. 97 MB
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Safe drinking water and effluent have long been dependent on the large-scale use of chlorine. Process Safety Management (PSM) and the Risk Management Program (RMP), safety regulations now enforced by OSHA and EPA are leading to serious reconsideration of chlorination as the preferred disinfection method. Renewed concern about the safety of chlorination by-products is also driving water and wastewater specialists and plant personnel to consider alternatives to traditional chlorine application. Choosing Disinfection Alternatives for Water/Wastewater Treatment is a practical explanation of all available disinfection technologies in light of management criteria: legal compliance, plant safety, effuent quality, and cost. This text is designed for all who must understand and act on the challenge of finding safe and equally effective methods of wastwater and water disinfection besides traditional chlorination.

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