Static Mixers for Coagulation and Disinfection PDF Download
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Author: A. Amirtharajah
Publisher: American Water Works Association
ISBN: 158321111X
Category : Mixing
Languages : en
Pages : 254
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Book Description
Static mixers are an attractive alternative for the mixing of chemicals in water treatment plants. The attraction comes from the fact that static mixers do not require an external input of energy and do not have moving parts. Static mixers consist of mixing elements fixed on the inside of a pipe of channel. The elements do not move. Chemicals, added just upstream of the mixers, mix with the bulk fluid because of the complex, three-dimensional fluid motion generated by the elements. The goal of this project is to explore the use of static mixers in two of the key processes in drinking water treatment: for the mixing of coagulants for destabilization and the mixing of disinfectants for the inactivation of Cryptosporidium parvum oocysts in disinfection. The role of mixing in both of these processes is not well understood. But for each process experimental and theoretical evidence suggests that, at least in some circumstances, the mixing environment provided when chemicals are introduced into the flow will affect the resulting destabilization or inactivation.
Author: A. Amirtharajah
Publisher: American Water Works Association
ISBN: 158321111X
Category : Mixing
Languages : en
Pages : 254
Get Book Here
Book Description
Static mixers are an attractive alternative for the mixing of chemicals in water treatment plants. The attraction comes from the fact that static mixers do not require an external input of energy and do not have moving parts. Static mixers consist of mixing elements fixed on the inside of a pipe of channel. The elements do not move. Chemicals, added just upstream of the mixers, mix with the bulk fluid because of the complex, three-dimensional fluid motion generated by the elements. The goal of this project is to explore the use of static mixers in two of the key processes in drinking water treatment: for the mixing of coagulants for destabilization and the mixing of disinfectants for the inactivation of Cryptosporidium parvum oocysts in disinfection. The role of mixing in both of these processes is not well understood. But for each process experimental and theoretical evidence suggests that, at least in some circumstances, the mixing environment provided when chemicals are introduced into the flow will affect the resulting destabilization or inactivation.
Author: Appiah Amirtharajah
Publisher:
ISBN:
Category : Coagulation
Languages : en
Pages : 262
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Book Description
Author: Brian Michael Skeens
Publisher:
ISBN:
Category : Mixing
Languages : en
Pages : 200
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Book Description
Author: Bradford Forrest Schulgen
Publisher:
ISBN:
Category : Mixing
Languages : en
Pages : 262
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Book Description
Author: AWWA Research Foundation
Publisher: American Water Works Association
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 448
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Book Description
Author: Mark M. Clark
Publisher: American Water Works Association
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 184
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Book Description
Author: Corrina C. Kennedy
Publisher:
ISBN:
Category : Aluminum oxide
Languages : en
Pages : 410
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Book Description
![Rapid Mixing with HEV Static Mixers [microform] : the Effects on Aluminum Hydroxide Precipitation and Coagulation with Alum PDF](https://books.google.com/books/content/images/frontcover/79qBtgAACAAJ?fife=w80-h100)
Author: Corrina C. Kennedy
Publisher: Library and Archives Canada = Bibliothèque et Archives Canada
ISBN:
Category : Aluminum oxide
Languages : en
Pages : 410
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Book Description
Author: James DeWolfe
Publisher: American Water Works Association
ISBN: 9781583212899
Category : Science
Languages : en
Pages : 210
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Book Description
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.
Author: Susumu Kawamura
Publisher: John Wiley & Sons
ISBN: 9780471350934
Category : Technology & Engineering
Languages : en
Pages : 724
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Book Description
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.
