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9781932078879: Sludge Engineering
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Presents and explains the theory of sludge treatment Covers US and European disposal regulations and practices

Intended for advanced students and practitioners of wastewater engineering, this text offers the theory and quantitative rationale for treating wastewater and industrial sludges , with public safety and efficiency in mind. The authors bring both an instructional and engineering background to the subject of sludge, presenting the necessary calculations as well as clearly explained design alternatives for each process in sludge handling. The authors are fully attuned to the controversies surrounding sludge disposal and carefully lay out US and European regulations that govern current technologies. The book offers important information on emerging practices for safe and legal sludge disposal. Numerous case studies and sample problems are included.

Partial List of Content:CHAPTER 1: SLUDGE SOURCES, QUANTITIES, AND MANAGEMENT 1.1 Sludge Sources 1.2 Sludge Quantities 1.3 Rationale of Sludge Management in a Wastewater Treatment Plant 1.4 Sludge Disposal: Laws and Regulations 1.5 Sludge Disposal: Sustainability 1.6 Conclusions 1.7 References 1.8 Problems CHAPTER 2: SLUDGE CHARACTERISTICS 2.1 Physical Characteristics of Sludge 2.2 Chemical Characteristics of Sludge 2.3 Biological Characteristics of Sludge 2.4 Conclusions 2.5 References 2.6 Problems CHAPTER 3: SLUDGE STABILIZATION 3.1 Stability Parameters 3.2 Biological Stabilization of Sludge 3.3 Chemical Stabilization 3.4 Physical Stabilization 3.5 Conclusions 3.6 References 3.7 Problems CHAPTER 4: SLUDGE PUMPING AND CONVEYING 4.1 Liquid Sludge Pumping 4.2 Dewatered Sludge Pumping and Conveying 4.3 Dried Sludge Conveying 4.4 In-line Measurement of Sludge Density 4.5 References 4.6 Problems CHAPTER 5: SLUDGE THICKENING 5.1 Gravitational Thickening 5.2 Flotation Thickening 5.3 Gravity Belt Thickening 5.4 Other Methods of Thickening 5.5 Conclusions 5.6 References 5.7 Problems CHAPTER 6: SLUDGE DEWATERING 6.1 Sand Beds 6.2 Lagoons 6.3 Wedge Wire Beds 6.4 Freezing Beds 6.5 Vacuum Filters 6.6 Filter Presses 6.7 Belt Filters 6.8 Centrifuges 6.9 Limits of Dewatering 6.10 Conclusions 6.11 References 6.12 Problems CHAPTER 7: SLUDGE CONDITIONING 7.1 Chemical Conditioning 7.2 Heat Conditioning 7.3 Elutriation 7.4 Freeze-Thaw Conditioning 7.5 Bulking Materials 7.6 Conclusions 7.7 References 7.8 Problems CHAPTER 8: SLUDGE DRYING AND COMBUSTION 8.1 Sludge Drying 8.2 Sludge Combustion 8.3 Alternative Thermal Technologies 8.4 Conclusions 8.5 References 8.6 Problems CHAPTER 9: CHEMICAL SLUDGES 9.1 Chemical Treatment of Wastewater 303 9.2 Alum Sludge from Water Treatment Plants 305 9.3 Iron Sludges from Wastewater Treatment Plants 308 9.4 Lime and Water Softening Sludges 309 9.5 Metal Hydroxides 314 9.5 Ultimate Disposal of Industrial Sludges 315 9.6 Conclusions 316 9.7 References 317 9.8 Problems 317 CHAPTER 10: LAND DISPOSAL OF SLUDGE AS BIOSOLIDS 10.1 Benefits of Sludge Disposal on Land 10.2 Land Application of Biosolids 10.3 Calculating Land Area Requirements for Biosolids 10.4 Application Methods for Liquid and Dewatered Biosolids 10.5 Conclusions 10.6 References 10.7 Problems CHAPTER 11: OTHER OPTIONS FOR SLUDGE DISPOSAL AND BENEFICIAL USE 11.1 Pyrolysis and Gasification 11.2 Oil from Sludge 11.3 Building Materials from Sludge 11.4 Deep Well Injection 11.5 Disposal into the Marine Environment 11.6 Disposal of Sludge into Landfills 11.7 Conclusions 11.8 References 11.9 Problems CHAPTER 12: REGULATIONS GOVERNING SLUDGE DISPOSAL 12.1 Regulations Governing Sludge Disposal on Land in the United States 12.2 Review of Regulations and Potential Health Concerns with Sludge Land Application 12.3 Future Trends in Land Application Regulations 12.4 Regulations in E

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About the Author:
F. Dilek Sanin is a Professor of Environmental Engineering at Middle East Technical University, Ankara, Turkey

William W. Clarkson is an Associate Professor of Civil and Environmental Engineering at Oklahoma State University-Tulsa

P. Aarne Vesilind is a Professor of Engineering, Emeritus at Bucknell University, Lewisburg Pennsylvania

Review:
Review by Ludovico Spinosa of the book Sludge Engineering by Sanin, Clarkson and Vesilind

When a new title appears on the shelf of bookshops, two questions arise: the first one is if we do really need it, the second is which appeal it has. With reference to the first question, it is to evidence that since forty years only few, very few, texts entirely dedicated to the subject of sludge have been published, being the sludge problem almost always confined in a small part of books on wastewater treatment. This lack has been particularly felt during the last years when the need to achieve a sustainable sludge management strategy has become of greater concern because the conventional and more traditional recycling options, like direct utilisation in agriculture and other land uses, are progressively restricted, and in some cases banned, by legislation, so the development of management procedures to maximize recovery of useful materials and/or energy in a sustainable way has become necessary. And this book faces problems related to sludge management under this light considered that the development of sustainable systems cannot be simply solved in terms of economy and technology, but need to be solved in terms of benefits for future generations. As far as the second question is concerned, the appeal of the book mainly relies on its technical content that, thanks to the specific and recognised competence and experience of the authors, discusses all the items to be considered in sludge management from an engineering point of view, being duty of engineers to develop the technological tools to meet the even stricter standards imposed by normative. However, the book is written in a form not only useful for both students and practicing engineers, but also for professionals with different backgrounds to widen their view on this subject. Another very interesting aspect of the book is that each chapter does contain a specific concluding section, thus giving the reader the possibility to correctly frame all the concepts developed in the chapter itself. Finally let me say that I personally like that the authors clearly and correctly don t use in a generalized manner, as often happens, the term biosolids instead of sludge , but only when this material is used for beneficial land application. --Ludovico Spinosa, CNR-IRSA, Bari, Italy

"Even though the management of wastewater sludges and biosolids may represent half of the overall cost of wastewater treatment, many texts on wastewater treatment neglect these important issues. Vesilind's 1979 text was a landmark in choosing to solely address these topics. Sanin, Clarkson, and Vesilind have finally given this work a well-deserved update. Especially useful are new sections covering land application practices and sludge/biosolids regulations. Sludge issues are truly international in scope and this is also reflected in the new book, covering both policies and practices with a global perspective. This is the best available text for any course on sludge and biosolids management." --Steven K. Dentel, Ph.D., P.E., DEE; Professor, Department of Civil and Environmental Engineering; University of Delaware

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  • PublisherDestech Pubns Inc
  • Publication date2010
  • ISBN 10 1932078878
  • ISBN 13 9781932078879
  • BindingHardcover
  • Number of pages393

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F. Dilek Sanin, Ph.D., William W. Clarkson, P. Aarne Vesilin
Published by DEStech Publications, Inc. (2010)
ISBN 10: 1932078878 ISBN 13: 9781932078879
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