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Author: Frank R. Spellman
Publisher: CRC Press
ISBN: 9781566764834
Category : Technology & Engineering
Languages : en
Pages : 300
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Book Description
FROM THE PREFACE The processes used to remove water from biosolids and change their form from a liquid to a damp solid are critical to the operation of other downstream processes in wastewater treatment. An ideal dewatering operation would capture all of the biosolids solids at minimum cost and the resultant dry biosolids solids or cake would be capable of being handled without causing unnecessary problems. Process reliability, ease of operation, and compatibility with the treatment plant environment are also optimum. This text is designed to provide a detailed look at several dewatering options. It must be pointed out, however, that this text takes a strong, biased view toward centrifugation as the dewatering process that is most reliable, maintenance free, cost effective, and capable of producing the highest quality end-product when compared to the other options in a holistic manner. Therefore, the underlying theme of this text is wrapped around the premise that it is better to centrifuge it! Having said this, it must also be pointed out that all major biosolids dewatering processes are discussed in this text, in detail. Several examples of actual operating systems are presented, and preventive maintenance and cost considerations are presented and discussed. In recent years there has been a tendency in some technical texts like this one to focus on the theoretical and laboratory analyses of dewatering operations. While such research and documented findings can lead to improved understanding of the scientific and engineering concepts associated with dewatering biosolids, this text is presented in such a fashion so as to be user-friendly. It is an operator's text that can also afford the decision-maker the opportunity to make informed choices about selecting a dewatering system for his/her plant use. Dewatering Biosolids will be of interest to people in all aspects of wastewater plant operation. Useful as a handbook for operators, this plain language text is also of importance to anyone considering altering or adapting their wastewater operating system.
Author: Frank R. Spellman
Publisher: CRC Press
ISBN: 9781566764834
Category : Technology & Engineering
Languages : en
Pages : 300
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Book Description
FROM THE PREFACE The processes used to remove water from biosolids and change their form from a liquid to a damp solid are critical to the operation of other downstream processes in wastewater treatment. An ideal dewatering operation would capture all of the biosolids solids at minimum cost and the resultant dry biosolids solids or cake would be capable of being handled without causing unnecessary problems. Process reliability, ease of operation, and compatibility with the treatment plant environment are also optimum. This text is designed to provide a detailed look at several dewatering options. It must be pointed out, however, that this text takes a strong, biased view toward centrifugation as the dewatering process that is most reliable, maintenance free, cost effective, and capable of producing the highest quality end-product when compared to the other options in a holistic manner. Therefore, the underlying theme of this text is wrapped around the premise that it is better to centrifuge it! Having said this, it must also be pointed out that all major biosolids dewatering processes are discussed in this text, in detail. Several examples of actual operating systems are presented, and preventive maintenance and cost considerations are presented and discussed. In recent years there has been a tendency in some technical texts like this one to focus on the theoretical and laboratory analyses of dewatering operations. While such research and documented findings can lead to improved understanding of the scientific and engineering concepts associated with dewatering biosolids, this text is presented in such a fashion so as to be user-friendly. It is an operator's text that can also afford the decision-maker the opportunity to make informed choices about selecting a dewatering system for his/her plant use. Dewatering Biosolids will be of interest to people in all aspects of wastewater plant operation. Useful as a handbook for operators, this plain language text is also of importance to anyone considering altering or adapting their wastewater operating system.
Author: Mark J. Girovich
Publisher: CRC Press
ISBN: 9780824797065
Category : Science
Languages : en
Pages : 472
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Book Description
This work details the economic, regulatory and environmental protection issues related to biosolids management and use. It evaluates current treatment technologies and management strategies for the beneficial utilization of municipal wastewater residuals. Cost information regarding the relative economic merits of special reuse and disposal methods, is presented.
Author: Lawrence K. Wang
Publisher: Springer Science & Business Media
ISBN: 1603271708
Category : Technology & Engineering
Languages : en
Pages : 752
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Book Description
The past 30 years have seen the emergence of a growing desire worldwide that positive actions be taken to restore and protect the environment from the degrading effects of all forms of pollution—air, water, soil, and noise. Because pollution is a direct or indirect consequence of waste, the seemingly idealistic demand for “zero discharge” can be construed as an unrealistic demand for zero waste. However, as long as waste continues to exist, we can only attempt to abate the subsequent pollution by converting it to a less noxious form. Three major questions usually arise when a particular type of pollution has been identi?ed: (1) How serious is the pollution? (2) Is the technology to abate it available? and (3) Do the costs of abatement justify the degree of abatement achieved? This book is one of the volumes of the Handbook of Environmental Engineering series. The principal intention of this series is to help readers formulate answers to the last two questions above. The traditional approach of applying tried-and-true solutions to speci?c pollution problems has been a major contributing factor to the success of environmental en- neering, and has accounted in large measure for the establishment of a “methodology of pollution control. ” However, the realization of the ever-increasing complexity and interrelated nature of current environmental problems renders it imperative that intelligent planning of pollution abatement systems be undertaken.
Author: Frank R. Spellman
Publisher: CRC Press
ISBN: 9781566764612
Category : Technology & Engineering
Languages : en
Pages : 268
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Book Description
FROM THE INTRODUCTION The purpose of this text is to address one small but important and significant aspect (or process) of making man-made waste disposal more earth-friendly: biosolids composting. Since 1970, much progress has been made in sewage treatment technology. Corrective actions in treating domestic and industrial wastes have advanced to the point and have been underway for a long enough period now so that today one can visit most local lakes and streams and clearly see the lake or river bottom near a shallow shoreline. This, of course, is an example of an environmental improvement that can be readily seen. This visible improvement is also a "predictor" of what the future can hold for present and future generations who respect lakes and streams, and thus the environment. Recent improvements in the water quality of streams and lakes are only a small part of the progress that has been made. Improvements in wastewater technology have also worked to improve the quality of water we use; that is, the water we drink. This last statement may seem strange to some readers. How does wastewater treatment improve the quality of potable water when we do not receive our drinking water from wastewater treatment plant effluent? Effluent from wastewater treatment plants in not normally cross-connected with their municipality's drinking water supply. Many communities draw water from streams and rivers for use in domestic potable water supplies and these same streams and rivers serve as outfalls, normally upstream, for wastewater treatment plant effluent. Communities are growing. Populations within these burgeoning communities are also growing. Along with growth in community size and in population is a corresponding growth in the need for more potable water. Thus, the stream or river that provides the water supply and serves as the outfall for wastewater treatment plant effluent is put under increasing demand for its main product: potable water. Wastewater Biosolids to Compost covers EPA 503 regulations, testing procedures, advancements in odor control, marketing the product, and composting program economics.
Author: Frank R. Spellman
Publisher: CRC Press
ISBN: 1466553375
Category : Technology & Engineering
Languages : en
Pages : 926
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Book Description
Handbook of Water and Wastewater Treatment Plant Operations the first thorough resource manual developed exclusively for water and wastewater plant operators has been updated and expanded. An industry standard now in its third edition, this book addresses management issues and security needs, contains coverage on pharmaceuticals and personal care products (PPCPs), and includes regulatory changes. The author explains the material in layman’s terms, providing real-world operating scenarios with problem-solving practice sets for each scenario. This provides readers with the ability to incorporate math with both theory and practical application. The book contains additional emphasis on operator safety, new chapters on energy conservation and sustainability, and basic science for operators. What’s New in the Third Edition: Prepares operators for licensure exams Provides additional math problems and solutions to better prepare users for certification exams Updates all chapters to reflect the developments in the field Enables users to properly operate water and wastewater plants and suggests troubleshooting procedures for returning a plant to optimum operation levels A complete compilation of water science, treatment information, process control procedures, problem-solving techniques, safety and health information, and administrative and technological trends, this text serves as a resource for professionals working in water and wastewater operations and operators preparing for wastewater licensure exams. It can also be used as a supplemental textbook for undergraduate and graduate students studying environmental science, water science, and environmental engineering.
Author: Frank R. Spellman
Publisher: CRC Press
ISBN: 1000063186
Category : Technology & Engineering
Languages : en
Pages : 723
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Book Description
The Handbook of Water and Wastewater Treatment Plant Operations is the first thorough resource manual developed exclusively for water and wastewater plant operators. Now regarded as an industry standard, this fourth edition has been updated throughout, and explains the material in easy-to-understand language. It also provides real-world case studies and operating scenarios, as well as problem-solving practice sets for each scenario. Features: Updates the material to reflect the developments in the field Includes new math operations with solutions, as well as over 250 new sample questions Adds updated coverage of energy conservation measures with applicable case studies Enables users to properly operate water and wastewater plants and suggests troubleshooting procedures for returning a plant to optimum operation levels Prepares operators for licensure exams A complete compilation of water science, treatment information, process control procedures, problem-solving techniques, safety and health information, and administrative and technological trends, this text serves as a resource for professionals working in water and wastewater operations and operators preparing for wastewater licensure exams. It can also be used as a supplemental textbook for undergraduate and graduate students studying environmental science, water science, and environmental engineering.
Author: Frank R. Spellman
Publisher: DEStech Publications, Inc
ISBN: 9781932078091
Category : Education
Languages : en
Pages : 254
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Book Description
This book gives plant operators and students of wastewater a simple and math-based introduction to all major unit processes in the modern wastewater treatment plant. The work is designed for operators and managers to run plants and to advance their careers by passing state licensure exams.
Author: Frank R. Spellman
Publisher: CRC Press
ISBN: 1000837874
Category : Science
Languages : en
Pages : 889
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Book Description
This new edition provides a practical view of pollution and its impact on the natural environment. Driven by the hope of a sustainable future, it stresses the importance of environmental law and resource sustainability and offers a wealth of information based on real-world observations and expert experience. It presents a basic overview of environmental pollution, emphasizes key terms, and addresses specific concepts in advanced algebra, fundamental engineering, and statistics. In addition, it considers socioeconomic, political, and cultural influences and provides an understanding of how to effectively treat and prevent air pollution, implement industrial hygiene principles, and manage solid waste, water, and wastewater operations. The Handbook of Environmental Engineering is written in a down-to-earth style for a wide audience, as it appeals to technical readers, consultants, policymakers, as well as a wide range of general readers. Features: Updated throughout, with a new chapter on modern trends in environmental engineering, the book further emphasizes climate change effects on water/wastewater infrastructure Examines the physical, chemical, and biological processes fundamental to understanding the environment fate and engineered treatment of environmental contaminants Presents technologies to prevent pollution at the source as well as treatment and disposal methods for remediation Identifies multiple environmental pollutants and explains the effects of each Includes the latest environmental regulatory requirements.
Author:
Publisher:
ISBN:
Category : Organic wastes as fertilizer
Languages : en
Pages : 194
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Book Description
Author: Rumana Riffat
Publisher: CRC Press
ISBN: 1000575136
Category : Technology & Engineering
Languages : en
Pages : 430
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Book Description
The 2nd edition of Fundamentals of Wastewater Treatment and Design introduces readers to the fundamental concepts of wastewater treatment, followed by engineering design of unit processes for sustainable treatment of municipal wastewater and resource recovery. It has been completely updated with new chapters to reflect current advances in design, resource recovery practices and research. Another highlight is the addition of the last chapter, which provides a culminating design experience of both urban and rural wastewater treatment systems. Filling the need for a textbook focused on wastewater, it covers history, current practices, emerging concerns, future directions and pertinent regulations that have shaped the objectives of this important area of engineering. Basic principles of reaction kinetics, reactor design and environmental microbiology are introduced along with natural purification processes. It also details the design of unit processes for primary, secondary and advanced treatment, as well as solids processing and removal. Recovery of water, energy and nutrients are explained with the help of process concepts and design applications. This textbook is designed for undergraduate and graduate students who have some knowledge of environmental chemistry and fluid mechanics. Professionals in the wastewater industry will also find this a handy reference.
