Overview

Water treatment is a growing field in North America, with seventy US states and localities and ten Canadian provinces requiring certification for water treatment plant operators. This book provides a step-by-step look at the most current water treatment technologies, balancing academic theory and professional practice. A compilation of studies conducted over the past decade at the Bloomington, Illinois Water Treatment Plant, it presents studies that are useful as templates for comparable long-term studies at other water utilities. This is an unparalleled gathering of techniques, processes, and data, including test results for every potential taste and odor control method.

Full Product Details

Author:   John T. O'Connor ,  Tom O'Connor ,  Rick Twait
Publisher:   John Wiley & Sons Inc
Imprint:   John Wiley & Sons Inc
Dimensions:   Width: 18.50cm , Height: 1.90cm , Length: 26.20cm
Weight:   0.617kg
ISBN:  

9780470288610

ISBN 10:   0470288612
Pages:   266
Publication Date:   13 February 2009
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Hardback
Publisher's Status:   Active
Availability:   Out of stock  
The supplier is temporarily out of stock of this item. It will be ordered for you on backorder and shipped when it becomes available.

Table of Contents

Preface ix 1 Microscopic Particle Analysis 1 Bloomington Water Sources and Treatment Plant Processes 3 Number of Bacterial Cells in Natural and Treated Waters 11 Results of Microscopic Enumeration 11 Comparative Evaluation of Lime Softener/Clarifiers 14 Effect of Backwash on Filter Performance 14 Electronic Particle Counting for Evaluation of Filter Performance 18 Photomicrographs Using Epifluorescence Microscopy 19 Light Microscopy 20 References 20 2 Plant Process Evaluations 23 Particles Observed at Various Water Treatment Stages 23 Improving Filter Performance Following Backwash 26 References 32 3 Lime Softening 33 Plant Performance Evaluations 33 Removal of Organic Matter 40 Reference 40 4 Acidification Protocol 41 Regulation of Turbidity as a Microbiological Surrogate 41 Advanced Analytical Methods for Evaluation of Water Treatment Plant Performance 42 Formation of Particles During Treatment 44 Implications for Assessment of Water Treatment Plant Process Efficiency 46 Interim Enhanced Surface Water Treatment Rule 46 Acidification 47 Acidification Protocol 50 Alternate Exceedance Levels 51 References 51 5 Filter Operations 53 Particle Removal During Filtration 53 The Bloomington Filters 53 Filter Operations 57 Granular Activated Carbon Performance and Characteristics 60 Filter Media Size Distribution 64 Microbial Growth on Filter Media 68 Filter Effluent: Calcium Carbonate Post-Precipitation 70 Filter Washing 71 Procedure for Evaluating Biological Activity on Filter Media 73 Recommended Testing of Auxiliary Air Scour 73 References 74 6 Grit Removal 75 Gritting 76 ClariCone Settling Velocities Versus Applied Flow 81 Grit Removal Modification 83 Recarbonation Following Slurry Blanket Upset 85 Particle Size Analysis: Effect of Gritting 87 Post Grit 88 pH and Conductivity 89 Effect of Grit Removal on Blanket Stability 91 Revised Grit Removal Protocol 91 7 Lime Softener Performance Enhancements 95 Modified Lime Slurry Feed Points 95 Evaluation of Grit Removal Process 97 Reduction in Blanket Upsets Lime Overfeeds and Carbon Dioxide Requirements 100 Recarbonation Basins: Post-Precipitation Particle Size Analysis 100 Results of the Evaluation of the Gritting Process 102 Evaluation of the Inline Degritter 103 8 Lime Softener Operational Enhancements 107 Treatment Chemistry 108 Flow Rates to ClariCones 108 Energy Input to Impart Spiral Flow 109 Modification of Kinetic Energy Input 110 Effect of Gritting on Slurry Blanket 111 Effect of Blowdown on Sludge Blanket 112 Frequency of Intense Cleaning 112 Maintenance of Lime Delivery System 114 9 Granular Activated Carbon 117 Benefits of Granular Activated Carbon 117 Costs of Carbon 118 Reference 120 10 Plant Operations Manual 121 Development of Operations Manual and Guidelines Documents 121 Bloomington Water Supply History 121 Water Treatment Plant Processes 128 Laboratory Facilities 151 Shop Facilities 152 Operator’s Laboratory 154 Communications Between Operators and Operational Continuity 154 Future Development of Operational Guidelines 155 Reference 155 11 Taste-and-Odor Control 157 Nutrient Sources and Organism Growth 158 Laboratory Capabilities for Assessing Lake and Treated Water Quality 159 Destratification 162 Lake Source Water Protection 163 Odor Control: Operating Procedures and Processes 164 Finished Water Taste and Odor Monitoring 165 Operational Alternatives 165 Evaluation of Potential for Modified or Enhanced Treatment Process 165 Biodegradation: Bloomington’s Water Treatment Plant Operations Manual 169 Microscopic Examination and Description of Micrographs 170 Taste and Odor Remission and PAC Studies 171 Dominant Organisms in Evergreen Lake 172 Potential Future Trials 172 References 172 12 GAC Adsorption and Microbial Degradation 175 Removal of Geosmin on GAC 175 Removal of Geosmin Using Ozonated Air 181 Lake Water Monitoring for Geosmin and MIB 183 Follow-up Study of Temperature Effects 186 Ultraviolet Light plus Hydrogen Peroxide 187 Early Detection and Control of Impending Taste-and-Odor Episodes at Evergreen Lake 189 Implications for Plant Operational Control 190 Appendix A: Procedures for Total Bacterial Cell Count by Epifluorescence Microscopy 193 Appendix B: Potential Studies Involving Microscopic Particle Analysis: Particle Identification Enumeration and Sizing 199 Appendix C: Development of Operator Guidelines 203 Index 235

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Author Information

DR. JOHN T. O'CONNOR, PE, is the CEO of H2O'C Engineering in Columbia, Missouri (www.h2oc.com). He earned his BS in civil engineering from The Cooper Union and his doctorate in engineering from The Johns Hopkins University. He has also served as the chief of the Illinois State Water Survey and as chairman of the Department of Civil Engineering at the University of Missouri-Columbia. Dr. O'Connor has authored over 100 technical publications related to water quality and treatment. TOM O'CONNOR, PE, is a principal of H2O'C Engineering in Columbia, Missouri (www.h2oc.com). He earned a bachelor's degree in electrical engineering and a master's in business administration from the University of Missouri; is an expert in environmental and energy issues; and specializes in the design, evaluation, optimization, and modeling of water and wastewater systems. RICK TWAIT earned a bachelor's degree in environmental science from Bradley University and is Superintendent of Water Purification at the Bloomington, Illinois, Water Treatment Plant. He is an aquatic biologist, limnologist, and former researcher at the Illinois State Water Survey.

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