Water Treatment Plant Design, 5th Edition WATER TREATMENT PLANT DESIGN Copyright 2012 American Water Works Association and American Society of Civil Engineers 00-AWWA_FM_pi-xviii.indd 1 5/18/12 3:25 PM Water Treatment Plant Design, 5th Edition ABOUT THE AMERICAN WATER WORKS ASSOCIATION The American Water Works Association is the authoritative resource for knowledge, information, and advocacy to improve the quality and supply of water in North America and beyond. AWWA is the largest organization of water professionals in the world. AWWA advances public health, safety, and welfare by uniting the efforts of the full spectrum of the entire water community. Through our collective strength we become better stewards of water for the greatest good of the people and the environment. American Water Works Association 6666 W. Quincy Ave. Denver, CO 80235 303.794.7711 www.awwa.org Executive Director: David LaFrance Director of Publishing: Liz Haigh Publications Manager: Gay Porter De Nileon ABOUT THE ENVIRONMENTAL & WATER RESOURCES INSTITUTE OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS Founded in 1852, the American Society of Civil Engineers (ASCE) represents more than 146,000 members of the civil engineering profession worldwide, and is America’s oldest national engineering society. Created in 1999, the Environmental & Water Resources Institute (EWRI) is an Institute of the American Society of Civil Engineers. EWRI services are designed to complement ASCE’s traditional civil engineering base and to attract new categories of members who seek to enhance their professional and technical development in the fields of environmental and water resource engineering. For more information on membership, publications, and conferences, contact: EWRI of ASCE 1801 Alexander Bell Drive Reston, VA 20191 USA (703) 295-6000 www.asce.org Copyright 2012 American Water Works Association and American Society of Civil Engineers 00-AWWA_FM_pi-xviii.indd 2 5/18/12 3:25 PM Water Treatment Plant Design, 5th Edition WATER TREATMENT PLANT DESIGN American Water Works Association American Society of Civil Engineers Stephen J. Randtke, Ph.D., P.E. Editor Michael B. Horsley, P.E. Editor Fifth Edition New York Chicago San Francisco Lisbon London Madrid Mexico City Milan New Delhi San Juan Seoul Singapore Sydney Toronto Copyright 2012 American Water Works Association and American Society of Civil Engineers 00-AWWA_FM_pi-xviii.indd 3 5/18/12 3:26 PM Water Treatment Plant Design, 5th Edition Cataloging-in-Publication Data is on file with the Library of Congress. McGraw-Hill books are available at special quantity discounts to use as premiums and sales promotions, or for use in corporate training programs. To contact a representative, please e-mail us at bulksales@mcgraw-hill.com. Water Treatment Plant Design, Fifth Edition Copyright © 2012, 2005, 1998 by American Water Works Association and American Society of Civil Engineers. All rights reserved. Printed in the United States of America. Except as permitted under the United States Copyright Act of 1976, no part of this publication may be reproduced or distributed in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. Copyright © 1990 by McGraw-Hill, Inc. The first edition was published in 1969 by American Water Works Association. 1 2 3 4 5 6 7 8 9 0 DOC/DOC 1 8 7 6 5 4 3 2 ISBN 978-0-07-174572-7 MHID 0-07-174572-6 This book is printed on acid-free paper. Sponsoring Editor Larry S. Hager Editing Supervisor Stephen M. 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Copyright 2012 American Water Works Association and American Society of Civil Engineers 00-AWWA_FM_pi-xviii.indd 4 5/18/12 3:26 PM Water Treatment Plant Design, 5th Edition CONTENTS Contributers xv Chapter 1. The Challenge of Water Treatment Plant Design Ian P. D. Wright, P.Eng. and Thomas J. Lane, P.E. 1.1 The Purpose of This Handbook / 1.1 Background / 1.1 Today’s Challenges / 1.3 Development of Water Treatment Design Projects / 1.7 References / 1.8 Chapter 2. Sustainability Juliana Tang, P.Eng., LEED A.P., Holly L. Shorney-Darby, Ph.D., P.E., Bruce E. Burris, P.E., BCEE, and Sean Bolongaro, P.Eng. 2.1 Introduction / 2.1 Sustainable Engineering / 2.2 Major Environmental Issues / 2.2 Analytical Tools / 2.3 Sustainable Design Standards / 2.7 Concepts of Sustainable Water Treatment / 2.9 Treatment and Sustainability Goals / 2.10 Water Supply / 2.10 Water Treatment Plant Design / 2.11 Integrated Design Process / 2.14 Project Specifications / 2.16 Infrastructure Construction / 2.17 Water Treatment Plant Operation / 2.18 Transmission and Distribution of Water / 2.19 Energy Efficiency in Water Treatment Plant Design / 2.19 Renewable Energy / 2.27 Examples of Current Initiatives / 2.39 References and Bibliography / 2.42 Chapter 3. Master Planning and Treatment Process Selection Matthew T. Valade, P.E. and George P. Fulton 3.1 The Master Plan / 3.1 Drinking Water Quality Goals / 3.4 Treatment Options / 3.8 References / 3.16 v Copyright 2012 American Water Works Association and American Society of Civil Engineers 00-AWWA_FM_pi-xviii.indd 5 5/18/12 3:26 PM Water Treatment Plant Design, 5th Edition vi CONTENTS Chapter 4. Design and Construction R. Gary Fuller, P.E., Holly L. Shorney-Darby, P.E., and Richard G. Stratton, P.E. 4.1 Preliminary Design / 4.2 Final Design / 4.6 Bid and Construction Assistance / 4.11 Alternate Delivery Approaches / 4.14 References and Bibliography / 4.16 Chapter 5. Intake Facilities Gerard R. Miller, Ph.D., Jeffrey W. Henson, P.E., and Steven N. Foellmi, P.E. 5.1 Introduction / 5.1 Types of Intake Systems / 5.3 Intake Design / 5.15 Other Intake Design Considerations / 5.26 Bibliography and References / 5.36 Chapter 6. Aeration and Air Stripping John E. Dyksen, P.E., Robert R. Raczko, P.E., and Christopher J. Savino 6.1 Introduction / 6.1 Principles of Aeration/Air Stripping / 6.2 General Design Considerations / 6.6 Waterfall Aeration/Air Stripping Design / 6.6 Diffusion-Type Aeration / 6.25 Mechanical Aeration / 6.29 Pressure Aeration / 6.29 Membrane Air Stripping / 6.30 Pilot Testing / 6.33 Bibliography and References / 6.35 Chapter 7. Mixing, Coagulation, and Flocculation Paul J. Delphos, P.E. and Raymond D. Letterman, Ph.D., P.E. 7.1 Introduction / 7.1 The Coagulation Process / 7.3 Coagulation and Membrane Technology / 7.7 Design of Chemical Mixing Facilities / 7.7 Flocculation Process Design / 7.16 Process Monitoring and Control / 7.26 Bibliography and References / 7.26 Chapter 8. Clarification William B. Dowbiggin, P.E., BCEE and Simon Breese, M.A.Sc., P.Eng. 8.1 Presedimentation / 8.1 Sedimentation with Coagulation / 8.5 Conventional Clarification Design / 8.7 High-Rate Clarification / 8.30 Summary of Loading Rates for Clarification with Coagulation / 8.56 Copyright 2012 American Water Works Association and American Society of Civil Engineers 00-AWWA_FM_pi-xviii.indd 6 5/18/12 3:26 PM Water Treatment Plant Design, 5th Edition CONTENTS vii Acknowledgments / 8.57 Bibliography and References / 8.57 Chapter 9. High-Rate Granular Media Filtration Kevin Castro, P.E., BCEE, Chandra Mysore, Ph.D., P.E., BCEE, and Michael Chapman 9.1 Mechanisms of Filtration / 9.2 Design Considerations / 9.2 Filter Operation and Maintenance / 9.40 Biological Filtration / 9.46 Biological Activated Carbon (BAC) / 9.48 Acknowledgements / 9.56 References / 9.56 Chapter 10. Slow Sand and Diatomaceous Earth Filtration M. Robin Collins, Ph.D., P.E., Mark P. Youngstrom, P.E., and Michael V. Broder, P.E. 10.1 Introduction / 10.1 Slow Sand Filtration / 10.2 Diatomaceous Earth Filtration / 10.33 Acknowledgments / 10.47 Bibliography and References / 10.47 Chapter 11. Oxidation and Disinfection James C. Hesby, P.E., Nick L. Burns, P.E., and Michael A. Oneby, P.E. 11.1 Introduction / 11.1 Regulatory Framework / 11.3 Treatment by Chemical Oxidation / 11.12 Chlorination / 11.16 Chloramination / 11.20 Chlorine Dioxide / 11.26 Permanganate / 11.27 Ozone / 11.29 Advanced Oxidation Processes / 11.51 Acknowledgments / 11.54 Bibliography and References / 11.54 Chapter 12. Ultraviolet Disinfection Paul D. Swaim, P.E., Christine A. Cotton, P.E., and Karl G. Linden, Ph.D. 12.1 Principles of UV Disinfection / 12.2 Applications for UV Technologies / 12.6 Regulatory Requirements for UV Disinfection in North America / 12.8 Water Quality and Treatment Effects on UV Disinfection / 12.12 UV Disinfection Equipment / 12.15 UV Disinfection Facility Planning, Design, and Project Implementation / 12.21 Validation Testing / 12.36 Construction, Testing, Start-Up, and O&M / 12.38 Bibliography and References / 12.41 Copyright 2012 American Water Works Association and American Society of Civil Engineers 00-AWWA_FM_pi-xviii.indd 7 5/18/12 3:26 PM Water Treatment Plant Design, 5th Edition viii CONTENTS Chapter 13. Precipitative Softening Doug Elder, P.E., Stephen J. Randtke, Ph.D., P.E., and Michael B. Horsley, P.E. 13.1 Water Hardness and Softening Treatment / 13.2 Pretreatment / 13.6 Softening Processes / 13.7 Residuals Production / 13.14 Softening Process Basins / 13.15 Regulatory Considerations / 13.21 Precipitative Softening Facility Design Considerations / 13.21 Recent Trends in Softening / 13.24 Sustainability Considerations / 13.25 References / 13.26 Chapter 14. Ion-Exchange Applications in Water Treatment Michael C. Gottlieb and G. Scott Watkins 14.1 Introduction / 14.1 Ion-Exchange Media / 14.3 The Ion-Exchange Process / 14.8 Cation-Exchange Processes / 14.10 Anion-Exchange Processes / 14.15 Terrorist-Related Substances / 14.31 Ion-Exchange Demineralization / 14.33 Regeneration Methods / 14.35 Basics of Ion-Exchange System Design / 14.38 Operation and Maintenance / 14.52 Plant Design and Costs / 14.56 Boundaries Between Suppliers, Consultants, and End Users / 14.64 Recent Trends in Ion Exchange / 14.64 Bibliography and References / 14.65 Chapter 15. Membrane Processes Robert A. Bergman, P.E., Jesus Garcia-Aleman, P.Eng., Ph.D., and Rory Morgan, B.Eng, MEngSc, CEng 15.1 Types of Membrane Processes / 15.2 Membrane System Components and Design Considerations / 15.7 Membrane Unit Design / 15.29 Posttreatment, Residuals, and Other Membrane Process Design Considerations / 15.52 Bibliography and References / 15.60 Chapter 16. Activated Carbon Adsorption Richard Brady, P.E., BCEE and Melissa Moran, P.E., BCEE 16.1 Characteristics of Activated Carbon / 16.1 Design of Powdered Activated Carbon Facilities / 16.6 Design of Granular Activated Carbon Facilities / 16.16 Options for Spent Granular Activated Carbon / 16.40 Acknowledgments / 16.44 References / 16.45 Copyright 2012 American Water Works Association and American Society of Civil Engineers 00-AWWA_FM_pi-xviii.indd 8 5/18/12 3:26 PM