HANDBOOK OF BIOLOGICAL WASTEWATER TREATMENT DESIGN AND OPTIMISATION OF ACTIVATED SLUDGE SYSTEMS

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Handbook Of Biological Wastewater Treatment

Author : Adrianus C. van Haandel
ISBN : 9781780400006
Genre : Technology & Engineering
File Size : 33.49 MB
Format : PDF
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Handbook of Biological Wastewater Treatment: Second Edition deals with the optimized design of biological and chemical nutrient removal. It presents the state-of-the-art theory concerning the various aspects of the activated sludge system and develops procedures for optimized cost based design and operation.
Category: Technology & Engineering

Handbook Of Biological Wastewater Treatment

Author : Adrianus van Haandel
ISBN : 1780407750
Genre : Science
File Size : 33.50 MB
Format : PDF
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The scope of this comprehensive new edition of Handbook of Biological Wastewater Treatment ranges from the design of the activated sludge system, final settlers, auxiliary units (sludge thickeners and digesters) to pre-treatment units such as primary settlers and UASB reactors. The core of the book deals with the optimized design of biological and chemical nutrient removal. The book presents the state-of-the-art theory concerning the various aspects of the activated sludge system and develops procedures for optimized cost-based design and operation. It offers a truly integrated cost-based design method that can be easily implemented in spreadsheets and adapted to the particular needs of the user. Handbook of Biological Wastewater Treatment: Second Edition incorporates valuable new material that improves the instructive qualities of the first edition. The book has a new structure that makes the material more readily understandable and the numerous additional examples clarify the text. On the website www.wastewaterhandbook.com three free excel design spreadsheets for different configurations (secondary treatment with and without primary settling and nitrogen removal) can be downloaded to get the reader started with their own design projects. New sections have been added throughout: to explain the difference between true and apparent yield while the section on the F/M ratio, and especially the reasons not to use it, has been expanded; to demonstrate the effect of the oxygen recycle to the anoxic zones on both the denitrification capacity and the concept of available nitrate is explained in more detail. the latest developments on the causes and solution to sludge bulking and scum formation to show the rapid developments of innovative nitrogen removal and sludge separation problems the anaerobic pre-treatment section is completely rewritten based on the experiences obtained from an extensive review of large full-scale UASB based sewage treatment plants a new section on industrial anaerobic wastewater treatment three new appendices have been added. These deal with the calibration of the denitrification model, empirical design guidelines for final settler design (STORA/STOWA and ATV) and with the potential for development of denitrification in the final settler. A new chapter on moving bed biofilm reactors Handbook of Biological Wastewater Treatment: Second Edition is written for post graduate students and engineers in consulting firms and environmental protection agencies. It is an invaluable resource for everybody working in the field of wastewater treatment. Lecturer support material is available when adopted for university courses. This includes course material for the first 7 modules in the form of PDF printouts and an exercise file with questions and answers and a symbol list. AUTHORS Prof. dr. ir. A.C. van Haandel, Federal University of Campina Grande - Brazil Ir. J.G.M. van der Lubbe, Biothane Systems International - Veolia, The Netherlands Table of Contents INTRODUCTION ORGANIC MATERIAL AND BACTERIAL METABOLISM ORGANIC MATERIAL REMOVAL AERATION NITROGEN REMOVAL INNOVATIVE SYSTEMS FOR NITROGEN REMOVAL PHOSPHORUS REMOVAL SLUDGE SETTLING SLUDGE BULKING AND SCUM FORMATION MEMBRANE BIOREACTORS MOVING BED BIOFILM REACTORS SLUDGE TREATMENT AND DISPOSAL ANAEROBIC PRETREATMENT INTEGRATED COST-BASED DESIGN AND OPERATION Appendices DETERMINATION OF THE OXYGEN UPTAKE RATE CALIBRATION OF THE GENERAL MODEL THE NON-IDEAL ACTIVATED SLUDGE SYSTEM DETERMINATION OF NITRIFICATION KINETICS DETERMINATION OF DENITRIFICATION KINETICS EXTENSIONS TO THE IDEAL MODEL EMPIRIC METHODS FOR FINAL SETTLER SIZING RISK OF DENITRIFICATION IN THE FINAL SETTLER AEROBIC GRANULATED SLUDGE
Category: Science

Guidelines For Using Activated Sludge Models

Author : Sylvie Gillot
ISBN : 9781843391746
Genre : Technology & Engineering
File Size : 63.62 MB
Format : PDF, Docs
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Mathematical modelling of activated sludge systems is used widely for plant design, optimisation, training, controller design and research. The quality of simulation studies varies depending on the project objectives, finances and expertise available. Consideration has to be given to the model accuracy and the amount of time required to carry out a simulation study to produce the desired accuracy. Inconsistent approaches and insufficient documentation make quality assessment and comparison of simulation results difficult or almost impossible. A general framework for the application of activated sludge models is needed in order to overcome these obstacles. The genesis of the Good Modelling Practice (GIMP) Task Group lies in a workshop held at the 4th IWA World Water Congress in Marrakech, Morocco where members of research groups active in wastewater treatment modelling came together to develop plans to synthesize the best practices of modellers from all over the world. The most cited protocols were included in the work: HSG (Hochschulgruppe), STOWA, BIOMATH and WERF. The goal of the group was to set up an internationally accepted framework to deal with the ASM type models in practice. This framework makes modelling more straightforward and systematic to use especially for practitioners and consultants. Additionally, it helps to define quality levels for simulation results, provides a procedure to assess this quality and assists in the proper use of the models. The framework describes a methodology for goal-oriented application of activated sludge models demonstrated by means of a concise guideline about the procedure of a simulation study and some illustrative case studies. Case studies give examples for the required data quality and quantity and the effort for calibration/validation with respect to a defined goal. Additional features in Guidelines for Using Activated Sludge Models include a chapter on modelling industrial wastewater, an overview on the history, current practice and future of activated sludge modelling and several explanatory case studies. It can be used as an introductory book to learn about Good Modelling Practice (GMP) in activated sludge modelling and will be of special interest for process engineers who have no prior knowledge of modelling or for lecturers who need a textbook for their students. The STIR can also be used as a modelling reference book and includes an extended appendix with additional information and details of methodologies.
Category: Technology & Engineering

Faecal Sludge Management

Author : Linda Strande
ISBN : 9781780404738
Genre : Technology & Engineering
File Size : 46.38 MB
Format : PDF
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It is estimated that literally billions of residents in urban and peri-urban areas of Africa, Asia, and Latin America are served by onsite sanitation systems (e.g. various types of latrines and septic tanks). Until recently, the management of faecal sludge from these onsite systems has been grossly neglected, partially as a result of them being considered temporary solutions until sewer-based systems could be implemented. However, the perception of onsite or decentralized sanitation technologies for urban areas is gradually changing, and is increasingly being considered as long-term, sustainable options in urban areas, especially in low- and middle-income countries that lack sewer infrastructures. This is the first book dedicated to faecal sludge management. It compiles the current state of knowledge of the rapidly evolving field of faecal sludge management, and presents an integrated approach that includes technology, management, and planning based on Sandecs 20 years of experience in the field. Faecal Sludge Management: Systems Approach for Implementation and Operation addresses the organization of the entire faecal sludge management service chain, from the collection and transport of sludge, and the current state of knowledge of treatment options, to the final end use or disposal of treated sludge. The book also presents important factors to consider when evaluating and upscaling new treatment technology options. The book is designed for undergraduate and graduate students, and engineers and practitioners in the field who have some basic knowledge of environmental and/or wastewater engineering.
Category: Technology & Engineering

Advanced Water Supply And Wastewater Treatment A Road To Safer Society And Environment

Author : Petr Hlavinek
ISBN : 9789400702790
Genre : Technology & Engineering
File Size : 64.35 MB
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Stable, safe, secure and readily available water supply is one of the key factors in ensuring a good level of the public health and a stable society. Scientific assessments show that about 80 % of diseases and one-third of the total death toll in the developing countries are caused by the low quality of the drinking water. Other countries are also suffering from water shortages and insufficient quality of the drinking water. Many rivers in Europe and in other parts of the world are significantly polluted by insufficiently treated or untreated wastewater discharge. This book is based on the discussions and papers prepared for the NATO Advanced Research Workshop that took place in Lviv, Ukraine, and addressed recent advances in water supply and wastewater treatment as a prerequisite for a safer society and environment. The contributions critically assess the existing knowledge on urban water management and provide an overview of the current water management issues, especially in the countries in transition in Central and Eastern Europe and in the Mediterranean Dialogue countries.
Category: Technology & Engineering

Experimental Methods In Wastewater Treatment

Author : Mark C. M. van Loosdrecht
ISBN : 9781780404745
Genre : Science
File Size : 84.14 MB
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Over the past twenty years, the knowledge and understanding of wastewater treatment has advanced extensively and moved away from empirically based approaches to a fundamentally-based first principles approach embracing chemistry, microbiology, and physical and bioprocess engineering, often involving experimental laboratory work and techniques. Many of these experimental methods and techniques have matured to the degree that they have been accepted as reliable tools in wastewater treatment research and practice. For sector professionals, especially a new generation of young scientists and engineers entering the wastewater treatment profession, the quantity, complexity and diversity of these new developments can be overwhelming, particularly in developing countries where access to advanced level laboratory courses in wastewater treatment is not readily available. In addition, information on innovative experimental methods is scattered across scientific literature and only partially available in the form of textbooks or guidelines. This book seeks to address these deficiencies. It assembles and integrates the innovative experimental methods developed by research groups and practitioners around the world. Experimental Methods in Wastewater Treatment forms part of the internet-based curriculum in wastewater treatment at UNESCO-IHE and, as such, may also be used together with video records of experimental methods performed and narrated by the authors including guidelines on what to do and what not to do. The book is written for undergraduate and postgraduate students, researchers, laboratory staff, plant operators, consultants, and other sector professionals.
Category: Science

Activated Sludge And Aerobic Biofilm Reactors

Author : Marcos von Sperling
ISBN : 9781843391654
Genre : Science
File Size : 69.39 MB
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The first part of the book is devoted to the activated sludge process, covering the removal of organic matter, nitrogen and phosphorus. A detailed analysis of the biological reactor (aeration tank) and the final sedimentation tanks is provided. The second part of the book covers aerobic biofilm reactors, especially trickling filters, rotating biological contractors and submerged aerated biofilters. For all the systems, the book presents in a clear and informative way the main concepts, working principles, expected removal efficiencies, design criteria, design examples, construction aspects and operational guidelines.
Category: Science

Waste Gas Treatment For Resource Recovery

Author : Piet N. L. Lens
ISBN : 9781843391272
Genre : Technology & Engineering
File Size : 66.48 MB
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Waste Gas Treatment for Resource Recovery presents
Category: Technology & Engineering