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"Water Environment Federation, Alexandria, Virginia; Water Environment Reserach Foundation; U.S. Environmental Protection Agency."
The Latest Methods for Nutrient Removal from Wastewater This Water Environment Federation resource provides comprehensive information on biological and chemical methods for nitrogen and phosphorus removal from wastewater. Nutrient Removal covers environmental and regulatory issues and provides an integrated approach for combined nitrogen and phosphorus removal, including details on ammonia and dewatering liquors treatment. Natural treatment systems are also discussed in this definitive guide. Nutrient Removal covers: Nutrients and their effects on the environment Regulation of nutrients in the effluents of wastewater treatment plants Overview of the nutrient removal processes Principles of biological nitrogen removal Nitrification Nitrogen removal processes, configuration, and process-sizing criteria for combined nitrification and denitrification processes Chemical and biological phosphorus removal Sidestream nitrogen removal Structured process models for nutrient removal Troubleshooting for full-scale nutrient removal facilities Aquatic natural treatment systems
'Automation of wastewater treatment facilities' discusses the selection of instruments, installation, sizing of control elements, and the best choice for controllers and computers for automated wastewater plants. Table of contents - Chapter 1- Introduction; Chapter 2 - The Business Case for Automation; Chapter 3 - What Is a Complete Automation Design?; Chapter 4 - Process and Implementation Diagrams; Chapter 5 - General Characteristics; Chapter 6 - Sensors; Chapter 7 - Final Control Elements; Chapter 8 - Control Panels or Stations; Chapter 9 - Connectivity Options for Process Control Systems; Chapter 10 - Automatic Process Control; Chapter 11 - Human-Machine Interfaces; Chapter 12; Process Controllers; Chapter 13 - Process Control Narratives; Chapter 14 - Advanced Applications for Wastewater Treatment; Chapter 15 - Instrumentation and Control System Specifications; Chapter 16 - Instrumentation Maintenance; Chapter 17 - Instrumentation Troubleshooting; Chapter 18 - Instrumentation Training; Index.
As the world’s population has increased, sources of clean water have decreased, shifting the focus toward pollution reduction and control. Disposal of wastes and wastewater without treatment is no longer an option. Fundamentals of Wastewater Treatment and Engineering introduces readers to the essential concepts of wastewater treatment, as well as the engineering design of unit processes for the sustainable treatment of municipal wastewater. Filling the need for a textbook focused on wastewater, it first covers history, current practices, emerging concerns, and pertinent regulations and then examines the basic principles of reaction kinetics, reactor design, and environmental microbiology, along with natural purification processes. The text also details the design of unit processes for primary, secondary, and advanced treatment as well as solids processing and removal. Using detailed calculations, it discusses energy production from wastewater. Comprehensive and accessible, the book addresses each design concept with the help of an underlying theory, followed by a mathematical model or formulation. Worked-out problems demonstrate how the mathematical formulations are applied in design. Throughout, the text incorporates recent advances in treatment technologies. Based on a course taught by the author for the past 18 years, the book is designed for undergraduate and graduate students who have some knowledge of environmental chemistry and fluid mechanics. Readers will get a strong grounding in the principles and learn how to design the unit processes used in municipal wastewater treatment operations. Professionals in the wastewater industry will also find this a handy reference.
In the past, industrial wastewater treatment primarily focused on the removal of BOD and suspended solids. In recent years, however, the focus has changed to aquatic toxicity, priority pollutants, and volatile organics. This required changes in how we design and operate biological treatment plants. Many existing plants must be retrofitted. New approaches to meet new requirements are discussed in detail. The authors, with a combined experience of sixty years, have presented case studies for a wide variety of industrial wastewaters including pulp and paper, food processing, chemical and pharmaceuticals, and textile wastewaters. Data interpretation and process design are developed through the use of seventeen examples. Procedures for the laboratory and pilot plant generation of process design data are presented. Emphasis is placed on meeting the many new regulations governing industrial wastewater discharges.
Calling for ecologically and economically sound wastewater treatment systems, the authors of Natural Wastewater Treatment Systems explore the use of wetlands, sprinkler or deep irrigation, groundwater recharge, and other natural systems as sustainable methods for the treatment and management of wastewater. Based on work by prominent experts in natural waste treatment, this text provides a thorough explanation on how soil and plants can successfully sustain microbial populations in the treatment of wastewater. Determining that natural systems cost less to construct and operate, and require less energy than mechanical treatment alternatives, this book also explains how these processes produce lower amounts of residual solids, and use little or no chemicals. What’s New in the Second Edition: This revised edition includes current design and regulatory and operational developments in the natural wastewater treatment field. It provides detailed examples and analyses along with significant operational data in each chapter. It also considers how processes provide passive treatment with a minimum of mechanical elements, and describes new approaches to partially mixed ponds, including dual-powered aeration ponds. Introduces the planning procedures and treatment mechanisms responsible for treatment in ponds, wetlands, land application, and soil absorption systems Provides new case studies of constructed wetlands and water reuse systems Presents design criteria and methods of pond treatment and pond effluent upgrading Describes constructed wetlands design procedures, process applications, treatment performance data, and land treatment concepts and design equations Includes information on constituents of emerging concern (CEC) and their fate in natural systems The text discusses wastewater pond systems, free water surface constructed wetlands, subsurface and vertical flow constructed wetlands, land treatment, sludge management, and onsite wastewater systems. It describes residuals and biosolids management, including nitrogen removal pretreatment methods, and uses U.S. customary and metric units in all chapters. It presents case studies of new applications of natural systems and includes worked examples of design equations for ponds and land treatment. It also provides a biosolids regulatory update from a top EPA scientist, and algae reduction technologies for ponds and wetlands. Designed for practicing wastewater engineers and scientists involved in the planning, design, and operation of ponds, wetlands, land treatment, biosolids, and onsite soil-based treatment systems, the book integrates many natural treatment systems into one single source.
Chemical Process Equipment is a results-oriented reference for engineers who specify, design, maintain or run chemical and process plants. This book delivers information on the selection, sizing and operation of process equipment in a format that enables quick and accurate decision making on standard process and equipment choices, saving time, improving productivity, and building understanding. Coverage emphasizes common real-world equipment design rather than experimental or esoteric and focuses on maximizing performance. Legacy reference for chemical and related engineers who work with vendors to design, specify and make final equipment selection decisions Copious examples of successful applications, with supporting schematics and data to illustrate the functioning and performance of equipment Provides equipment rating forms and manufacturers’ data, worked examples, valuable shortcut methods, and rules of thumb to demonstrate and support the design process Heavily illustrated with line drawings and schematics to aid understanding, as well as graphs and tables to illustrate performance data

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