Activated Sludge Separation Problems PDF Download
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Author | : Valter Tandoi |
Publisher | : IWA Publishing |
Total Pages | : 324 |
Release | : 2017-09-15 |
Genre | : Science |
ISBN | : 1780408633 |
Download Activated Sludge Separation Problems Book in PDF, ePub and Kindle
Activated Sludge Separation Problems: Theory, Control Measures, Practical Experiences, Second Edition, describes the most common activated sludge separation problems and explains the main reasons for the growth of the different filamentous microorganisms in activated sludge. The book summarizes the identification techniques for important groups of activated sludge microorganisms both based on conventional microscopic analysis and using the biological molecular tools available today (FISH and PCR). This new edition, with 70% new and updated material, also provides explanation of basic activated sludge process principles and of parameters necessary for process control and operation. The theory of secondary clarifies is described to the extent necessary for understanding the construction and operation of secondary clarifiers. The activated sludge reactor and secondary clarifies are treated as one system and the interactions are explained. The wide range of experiences around the world is documented and the methods to avoid the proliferation of these organisms are presented and critically reviewed. Activated Sludge Separation Problems consists of six chapters, presenting up-to-date technical and scientific aspects of these processes. The new edition also features an extended list of literature references for further reading. The book will be a valuable help for students of environmental engineering, wastewater specialists, plant operators and designers of activated sludge plants. It is also useful for specialists in wastewater operation laboratories, especially for those studying activated sludge separation properties.
Author | : V. Tandoi |
Publisher | : |
Total Pages | : |
Release | : 2006 |
Genre | : |
ISBN | : |
Download Activated sludge separation problems Book in PDF, ePub and Kindle
Author | : Wesley Eckenfelder |
Publisher | : CRC Press |
Total Pages | : 334 |
Release | : 1998-08-04 |
Genre | : Technology & Engineering |
ISBN | : 0203968565 |
Download Activated Sludge Book in PDF, ePub and Kindle
Contents: Process Theory Kinetics and Sludge Quality Control: Activated Sludge Process - Process Theory - Activated Sludge Separation Problems - References Activated Sludge Treatment of Municipal Wastewater U.S.A. Practice: General Approach - Clarifier Design - Aeration Tank (Reactor) Design - Appurtenance Design - Configurations - ReferencesEurope
Author | : David Jenkins |
Publisher | : CRC Press |
Total Pages | : 224 |
Release | : 1993-05-03 |
Genre | : Technology & Engineering |
ISBN | : 9780873718738 |
Download Manual on the Causes and Control of Activated Sludge Bulking and Foaming, Second Edition Book in PDF, ePub and Kindle
This manual describes methods for diagnosing and rectifying activated sludge solids separation problems, which are one of the most common causes of permit violations in activated sludge wastewater treatment plants. The book is written in an easy-to-understand format that will help you resolve real-life problems. Lab techniques, theoretical considerations, design and control methods, and case histories are provided. The clear discussions make it ideal not only for practitioners and consultants, but also for students and professors. Every environmental consulting company, wastewater treatment plant, laboratory, and university should have at least one copy of this hands-on practical manual.
Author | : Michael H. Gerardi |
Publisher | : John Wiley & Sons |
Total Pages | : 191 |
Release | : 2003-06-17 |
Genre | : Science |
ISBN | : 0471272744 |
Download Settleability Problems and Loss of Solids in the Activated Sludge Process Book in PDF, ePub and Kindle
The activated sludge process is the most versatile, commonly used wastewater treatment system in North America; however, many activated sludge processes frequently experience operational problems related to poor compaction or settleability of secondary solids and loss of secondary solids from the clarifier. Eschewing the technical jargon and copious chemical equations found in the majority of wastewater studies, Settleability Problems and Loss of Solids in the Activated Sludge Process speaks directly to plant operators, showing them how to identify and solve common problems and achieve maximum efficiency. Michael H. Gerardi’s hands-on guide addresses the most common plant operational problems, such as increased costs, loss of treatment efficiency, and permit violations. Using numerous tables and illustrations, Settleability Problems provides microscopic and analytical techniques for troubleshooting and identifying the conditions responsible for settleability problems and loss of solids. It includes pictures of wet mounts and smears of acceptable and unacceptable microscopic conditions of the activated sludge and presents corrective measures for operational problems. Chapters include: Undesired Filamentous Growth Nutrient-Deficient Floc Particles Denitrification Slug Discharge of Soluble cBOD Viscous Bulking or Zoogloeal Growth Production and Accumulation of Foam and Scum Volume II in the series, Settleability Problems will prove to be of unparalleled value to wastewater treatment plant operators as well as students of wastewater microbiology.
Author | : Jiri Wanner |
Publisher | : CRC Press |
Total Pages | : 338 |
Release | : 2014-07-22 |
Genre | : Technology & Engineering |
ISBN | : 1498710816 |
Download Activated Sludge Book in PDF, ePub and Kindle
Filamentous bulking and foaming are the most frequent operational problems in activated sludge plants. This recent book provides a comprehensive, concise guide to the microbiological and technical aspects of bulking and foaming control. The result of over 25 years of research, the book stresses practical control measures based on kinetic and me
Author | : David Jenkins |
Publisher | : CRC Press |
Total Pages | : 216 |
Release | : 2003-08-27 |
Genre | : Technology & Engineering |
ISBN | : 9781566706476 |
Download Manual on the Causes and Control of Activated Sludge Bulking, Foaming, and Other Solids Separation Problems, 3rd Edition Book in PDF, ePub and Kindle
The most common activated sludge operating problems causing poor plant performance are related to solids separation. Especially common are bulking and foaming. Without a proper scientific foundation to support the efforts of wastewater treatment plant management, many attempts to thwart bulking and foaming have failed. Manual on Solving Activated Sludge Bulking, Foaming, and Other Solids Separation Problems provides the critical scientific and practical underpinnings needed to understand and combat these problems. The third edition of this flagship text is a comprehensive, concise guide to the microbiological and technical aspects of controlling all types of solid separation problems. The scientific theory is applied to real-world scenarios, greatly increasing the number of real-world examples of successful control methods. New information is also included on filamentous organism growth and its application in the control of sludge bulking and foaming. Now plant operators, regulators and wastewater engineers have a complete guide for battling these formidable design and operating problems.
Author | : Michael G Richard |
Publisher | : IWA Publishing |
Total Pages | : 0 |
Release | : 2003-08-31 |
Genre | : Science |
ISBN | : 9781843390466 |
Download Manual on the Causes and Control of Activated Sludge Bulking, Foaming and other Solids Separation Problems Book in PDF, ePub and Kindle
The most common activated sludge operating problems causing poor plant performance are related to solids separation. Especially common are bulking and foaming. Without a proper scientific foundation to support the efforts of wastewater treatment plant management, many attempts to thwart bulking and foaming have failed. Manual on the Causes and Control of Activated Sludge Bulking, Foaming and other Solids Separation Problems provides the critical scientific and practical underpinnings needed to understand and combat these problems. The third edition of this flagship text is a comprehensive, concise guide to the microbiological and technical aspects of controlling all types of solid separation problems. The scientific theory is applied to real-world scenarios, greatly increasing the number of real-world examples of successful control methods. New information is also included on filamentous organism growth and its application in the control of sludge bulking and foaming. Now plant operators, regulators and wastewater engineers have a complete guide for battling these formidable design and operating problems. Features of the Manual include: Discussion of the mechanisms of the bioflocculation involved in the formation of activated sludge flocs Many new case histories of the practical diagnosis and resolution of activated sludge solids separation problems Re-examination of the filament backbone concept of floc structure, with additional focus on strong flocs that are devoid of filamentous organisms Analysis of bulking and foaming caused by nocardioform organisms and Microthrix parvicella, with emphasis on their origins and control methods New photographs and descriptions of filamentous organisms responsible for bulking and foaming Results of recent studies of activated sludge and previously unknown microorganisms - and the potential use of molecular biological tools in diagnosing bulking and foaming problems.
Author | : Damir Brdjanovic |
Publisher | : IWA Publishing |
Total Pages | : 472 |
Release | : 2015-02-15 |
Genre | : Science |
ISBN | : 1780404638 |
Download Applications of Activated Sludge Models Book in PDF, ePub and Kindle
In 1982 the International Association on Water Pollution Research and Control (IAWPRC), as it was then called, established a Task Group on Mathematical Modelling for Design and Operation of Activated Sludge Processes. The aim of the Task Group was to create a common platform that could be used for the future development of models for COD and N removal with a minimum of complexity. As the collaborative result of the work of several modelling groups, the Activated Sludge Model No. 1 (ASM1) was published in 1987, exactly 25 years ago. The ASM1 can be considered as the reference model, since this model triggered the general acceptance of wastewater treatment modelling, first in the research community and later on also in practice. ASM1 has become a reference for many scientific and practical projects, and has been implemented (in some cases with modifications) in most of the commercial software available for modelling and simulation of plants for N removal. The models have grown more complex over the years, from ASM1, including N removal processes, to ASM2 (and its variations) including P removal processes, and ASM3 that corrects the deficiencies of ASM1 and is based on a metabolic approach to modelling. So far, ASM1 is the most widely applied. Applications of Activated Sludge Models has been prepared in celebration of 25 years of ASM1 and in tribute to the activated sludge modelling pioneer, the late Professor G.v.R. Marrais. It consists of a dozen of practical applications for ASM models to model development, plant optimization, extension, upgrade, retrofit and troubleshooting, carried out by the members of the Delft modelling group over the last two decades.
Author | : Nicholas F Gray |
Publisher | : World Scientific |
Total Pages | : 626 |
Release | : 2023-02-27 |
Genre | : Technology & Engineering |
ISBN | : 180061389X |
Download Activated Sludge: Developments And Sustainable Solutions Book in PDF, ePub and Kindle
Activated sludge is the most widely used biological wastewater treatment process globally to date, although its high energy demand makes it a major contributor of greenhouse gas emissions. Over recent decades it has been constantly modified and retrofitted to treat ever higher loads or improve effluent standards which have often resulted in even greater carbon emissions. Conventional activated sludge treatment is at a crossroads where new sustainable solutions are required if we are to protect the quality of our rivers and meet net-zero carbon targets.The book details current operation and design with special emphasis on the biological aspects of the process. From the microbial kinetics to the fascinating process of floc formation and development, the book explores the development of our understanding of the process looking at new sustainable designs, including biological nutrient removal and new aeration systems. Sludge separation problems and control options are explained, with a trouble-shooting guide to non-bulking problems. Environmental issues including noise, odor, aerosols, micro-plastics and nanoparticles are all reviewed, as is pathogen removal and the problem of antibiotic resistant genes and bacteria. The development of membrane bioreactors has increased process reliability and effluent quality, while integrated fixed-film activated sludge processes are more efficient and compact. The book concludes by exploring how activated sludge can become more sustainable, for example, by carbon harvesting and byproduct recovery.This interdisciplinary book is essential reading for both engineers and scientists whether training at university or practitioners and consultants in the wastewater industry.Related Link(s)