Cover image for Sewer processes : microbial and chemical process engineering of sewer networks
Sewer processes : microbial and chemical process engineering of sewer networks
Hvitved-Jacobsen, Thorkild.
Personal Author:
Publication Information:
Boca Raton, Fla. : CRC Press, [2002]

Physical Description:
xi, 237 pages : illustrations ; 24 cm
Format :


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Material Type
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TD736 .H85 2002 Adult Non-Fiction Non-Fiction Area

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Sewer Processes: Microbial and Chemical Process Engineering of Sewer Networks concentrates on process engineering of sewer networks from a chemical and microbiological point of view to be applied by sanitary and environmental engineers, and students. By considering the sewer as a chemical and biological reactor, the book extends beyond traditional hydraulics and pollutant transport to explain how in-sewer processes can be applied to managing, operating, and designing sewer networks. By understanding this concept and the data it generates, new modeling tools and design parameters can be developed that will assist engineers in reducing microbial and chemical pollution.

The book establishes sewer processes as an integral part of managing, designing, and operating an urban wastewater system. It presents in-sewer processes from a fundamental and conceptual point of view for easy understanding by students. Both engineers and students will find the book's models and practical examples useful. It demonstrates a range of sewer and treatment issues, such as odor control, corrosion, and integrated wastewater treatment. It also explains how environmental process engineering principles can be applied to sewer design, resulting in better wastewater treatment and cleaner water entering receiving areas.

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Microbial and chemical transformations occur in sewers as wastewater moves from homes to treatment plants in either sanitary sewer networks, where inputs are limited to wastewater releases, or in combined sewer systems, where wastewater from homes flows in the same sewers as the storm water from rain. Hvitved-Jacobsen (Aalborg Univ., Denmark) describes scientifically the aerobic and anaerobic microbial processes that take place in sewers. Important transport processes such as oxygen transfer and release of odors are included. The sewer processes are treated as a multiphase process by considering the gas phase above the liquid as well as the solid phase or biofilm below the liquid. This book can be used as a resource for environmental engineering courses; it will also be very useful to those who design, manage, and service sewer systems. The book differs from other books on sewer systems in that it includes a process dimension by considering the sewer as a chemical and biological reactor. Appropriate chapter references. General readers; upper-division undergraduates through professionals; two-year technical program students. L. E. Erickson Kansas State University

Table of Contents

Prefacep. ix
Chapter 1. Sewer Systems and Processesp. 1
1.1 Introduction and Purposep. 1
1.2 Sewer Developments in a Historical Perspectivep. 4
1.3 Types and Performance of Sewer Networksp. 5
1.4 The Sewer as a Reactor for Microbial Processesp. 7
1.5 A New Approachp. 9
Chapter 2. Chemical and Physicochemical Aspects of In-Sewer Processesp. 11
2.1 Redox Reactionsp. 11
2.2 Chemical Kinetics in a Microbiological Systemp. 25
2.3 Referencesp. 36
Chapter 3. Wastewater in Sewers--Substrates and Microbiologyp. 37
3.1 Quality of Wastewaterp. 37
3.2 Microbial Reactions and Quality of Substratep. 40
3.3 Referencesp. 63
Chapter 4. Air-Water Equilibrium and Mass Transfer--Odors and Reaeration in Sewersp. 65
4.1 Air-Water Equilibrium Conditionsp. 66
4.2 Air-Water Transport Processesp. 73
4.3 Odorous Compounds in Sewer Networksp. 77
4.4 Reaeration in Sewer Networksp. 85
4.5 Referencesp. 91
Chapter 5. Aerobic and Anoxic Processes--Process Concept and Modelp. 95
5.1 Illustration of Aerobic Transformations in Sewersp. 96
5.2 A Concept for the Aerobic Microbial Transformations of Wastewater in Sewersp. 99
5.3 Process Descriptionsp. 106
5.4 Sewer Process Modelp. 112
5.5 Oxygen Mass Balance and Modeling in Sewersp. 115
5.6 Anoxic Transformations in Sewersp. 121
5.7 Referencesp. 125
Chapter 6. Anaerobic Processes--Sulfide Formation and Integrated Modelingp. 129
6.1 Hydrogen Sulfide in Sewers--A Historical Overviewp. 129
6.2 Hydrodgen Sulfide in Sewer Networksp. 131
6.3 Anaerobic Microbial Transformations of Organic Matter in Sewersp. 158
6.4 An Integrated Aerobic-Anaerobic Model Concept for Microbial Wastewater Transformationsp. 160
6.5 Referencesp. 166
Chapter 7. Methods for Sewer Process Studies and Model Calibrationp. 171
7.1 Methods for Field-, Pilot-, and Bench-Scale Studiesp. 171
7.2 Methods for Determination of Components and Parameters for Sewer Process Modelingp. 181
7.3 Final Remarksp. 200
7.4 Referencesp. 201
Chapter 8. Applications--Integrated Process Design and Operation of Sewersp. 205
8.1 Wastewater Design--An Integrated Approach for Wastewater Treatmentp. 205
8.2 Structural and Operational Impacts on Wastewater Quality Transformations in Sewersp. 206
8.3 Tools for Prediction of Sewer Processesp. 211
8.4 Model Simulations of Sewer and Treatment Plant Interactionsp. 214
8.5 Sewer Processes in an Integrated and Sustainable Perspectivep. 223
8.6 Referencesp. 227
Appendix A Nomenclaturep. 229
Indexp. 233
About the Authorp. 237