Optimization Of Coagulation Processes Based Upon Mixing Energy Evaluations
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Optimization Of Coagulation Processes Based Upon Mixing Energy Evaluations
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Author : James Brian Knisely
language : en
Publisher:
Release Date : 1992
Optimization Of Coagulation Processes Based Upon Mixing Energy Evaluations written by James Brian Knisely and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.
Initial Mixing In Coagulation Processes
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Author : Richard J. Stenquist
language : en
Publisher:
Release Date : 1972
Initial Mixing In Coagulation Processes written by Richard J. Stenquist and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Mixing categories.
Selection And Design Of Mixing Processes For Coagulation
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Author : Mark M. Clark
language : en
Publisher: American Water Works Association
Release Date : 1994
Selection And Design Of Mixing Processes For Coagulation written by Mark M. Clark 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 1994 with Technology & Engineering categories.
Investigation Of The Mixing Energy Consumption Affecting Coagulation And Floc Aggregation
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Author : Yamuna S. Vadasarukkai
language : en
Publisher:
Release Date : 2016
Investigation Of The Mixing Energy Consumption Affecting Coagulation And Floc Aggregation written by Yamuna S. Vadasarukkai and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Energy is an essential commodity invariably used for proper performance of major processes used in municipal water treatment. This research was primarily driven by the potential rise in energy demand in the water sector. In particular, the research focuses on rapid mix system, continuous-flow stirred tanks specifically designed for chemical dispersion in the coagulation process. Energy-intensive rapid mixing is often practiced in treatment plants for chemical-particle interactions, which is assumed essential for particle aggregation. The central hypothesis of this thesis was that removal of targeted impurities from drinking water supplies (e.g., natural dissolved organic matter) was achievable at a much lower mixing velocity during the rapid mix stage of coagulation. Insoluble precipitates (e.g., floc aggregates) resulting from coagulation can be effectively separated from drinking water in subsequent solid-liquid separation processes, including flocculation, clarification, and filtration. This thesis integrates water quality and floc characterization techniques to evaluate the influence of mixing energy utilized during coagulation. Mixing energy was quantified from the root mean square velocity gradient (i.e., the G-value). A modified mixing arrangement was used to set the coagulation G-value ranging from 0 to 1450 s-1, keeping chemical (coagulant dose, pH) and physical conditions (temperature) similar. An in-line holographic microscopy technique was used for a non-destructive, direct measurement of floc characteristics (e.g., floc counts, sizes, relative floc velocities) on a laboratory workbench and in a full-scale flocculation tank. Major experimental findings from this present study confirmed that reduced coagulation mixing energy not only removed targeted impurities from the water but also produced enough flocs, which were effectively removed during settling. Specifically, the results presented offered a new range of reduced mixing intensities (110 s-1
Guidance Manual For Coagulant Changeover
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Author : James DeWolfe
language : en
Publisher: American Water Works Association
Release Date : 2003
Guidance Manual For Coagulant Changeover written by James DeWolfe 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 2003 with Science categories.
This manual is a source document for utilities that are considering a coagulant changeover. It is intended to provide an appreciation of what must be considered for a successful changeover based on the input of U.S. and Canadian utilities (Chapters 1 and 6). New regulatory requirements will likely have the broadest and most substantial impact on primary coagulant use (Chapter 3). The Interim Enhanced Surface Water Treatment Rule (IESWTR) and Stage 1 Disinfectant and Disinfection Byproducts Rule (Stage 1 DBPR) will make finished water requirements more stringent to address microbial removal and the impacts of disinfection. Enhanced Coagulation and/or other operational and treatment practices will be used to achieve these requirements. The science of coagulation (Chapter 4) requires a special focus to address the intricacies of coagulation chemistry. The manual provides a step-by-step methodology to conduct a coagulant changeover using a detailed protocol (Chapter 5) -- background, executive summary.
Operational Control Of Coagulation And Filtration Processes 3rd Ed M37
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Author : AWWA Staff
language : en
Publisher: American Water Works Association
Release Date : 2011-01-12
Operational Control Of Coagulation And Filtration Processes 3rd Ed M37 written by AWWA Staff 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 2011-01-12 with Water categories.
Water Engineering
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Author : Nazih K. Shammas
language : en
Publisher: John Wiley & Sons
Release Date : 2015-05-27
Water Engineering written by Nazih K. Shammas and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-05-27 with Technology & Engineering categories.
Details the design and process of water supply systems, tracing the progression from source to sink Organized and logical flow, tracing the connections in the water-supply system from the water’s source to its eventual use Emphasized coverage of water supply infrastructure and the design of water treatment processes Inclusion of fundamentals and practical examples so as to connect theory with the realities of design Provision of useful reference for practicing engineers who require a more in-depth coverage, higher level students studying drinking water systems as well as students in preparation for the FE/PE examinations Inclusion of examples and homework questions in both SI and US units
Coagulation And Flocculation In Water And Wastewater Treatment
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Author : John Bratby
language : en
Publisher: IWA Publishing
Release Date : 2006-10-15
Coagulation And Flocculation In Water And Wastewater Treatment written by John Bratby and has been published by IWA Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-10-15 with Science categories.
Coagulation and Flocculation in Water and Wastewater Treatment provides a comprehensive account of coagulation and flocculation techniques and technologies in a single volume covering theoretical principles to practical applications. Thoroughly revised and updated since the 1st Edition it has been progressively modified and increased in scope to cater for the requirements of practitioners involved with water and wastewater treatment. A thorough gamut of treatment scenarios is attempted, including turbidity, color and organics removal, including the technical aspects of enhanced coagulation. The effects of temperature and ionic content are described as well as the removal of specific substances such as arsenic and phosphorus. Chemical phosphorus removal is dealt with in detail, Rapid mixing for efficient coagulant utilization, and flocculation are dealt with in specific chapters. Water treatment plant waste sludge disposal is dealt with in considerable detail, in an Appendix devoted to this subject. Invaluble for water scientists, engineers and students of this field, Coagulation and Flocculation in Water and Wastewater Treatment is a convenient reference handbook in the form of numerous examples and appended information.
Integrated Design Of Water Treatment Facilities
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Author : Susumu Kawamura
language : en
Publisher: Wiley-Interscience
Release Date : 1991-03-07
Integrated Design Of Water Treatment Facilities written by Susumu Kawamura and has been published by Wiley-Interscience this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991-03-07 with Technology & Engineering categories.
Based on the author's over 35 years of experience in all phases of the design of water treatment facilities, it covers research pilot studies, preliminary design studies and the actual design, construction and plant management as well--and is especially geared toward professional engineers and college students who seek emphasis on the practical rather than principle, method rather than methodology. Unlike other books on the subject, this work covers the entire project sequence, describing not only very basic and essential design criteria for each process but also how to design each phase in a way that will maximize overall process efficiency while minimizing operation and maintenance costs. As such, it will serve not only as a useful guide and reference for design of water treatment plants, but also as a tool for project and operations control.
Integrated Design And Operation Of Water Treatment Facilities
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Author : Susumu Kawamura
language : en
Publisher: John Wiley & Sons
Release Date : 2000-09-14
Integrated Design And Operation Of Water Treatment Facilities written by Susumu Kawamura and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-09-14 with Technology & Engineering categories.
Completely up-to-date coverage of water treatment facility design and operation This Second Edition of Susumu Kawamura's landmark volume offerscomprehensive coverage of water treatment facility design, from thebasic principles to the latest innovations. It covers a broadspectrum of water treatment process designs in detail and offersclear guidelines on how to choose the unit, process, and equipmentthat will maximize overall efficiency and minimize maintenancecosts. This book also explores many important operational issuesthat affect today's plant operators and facility designers. This new edition introduces several new subjects, including valueengineering, watershed management, dissolved air flotation process,filtered reservoir (clearwell) design, and electrical systemdesign. It provides expanded and updated coverage of objectives forfinished water quality, instrumentation and control, disinfectionprocess, ozonation, disinfection by-product control, the GACprocess, and the membrane filtration process. Other importantfeatures of this Second Edition include: * Practical guidance on the design of every water treatment plantcomponent * New information on plant layout, cost estimation, sedimentationissues, and more * English and SI units throughout * Help in designing for compliance with water treatment-relatedgovernment regulations Supplemented with hundreds of illustrations, charts, and tables,Integrated Design and Operation of Water Treatment Facilities,Second Edition is an indispensable, hands-on resource for civilengineers and managers, whether working on new facilities orredesigning and rebuilding existing facilities.
