دانلود کتاب Microbiology of drinking water production and distribution

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Content: PREFACE xi 1 MICROBIAL CONTAMINANTS IN DRINKING WATER 1 1.1 Introduction 1 1.2 Transmission Routes of Pathogens and Parasites 1 1.3 Major Pathogens and Parasites of Health Concern in Drinking Water 6 Web Resources 27 Further Reading 27 2 MICROBIOLOGICAL ASPECTS OF DRINKING WATER TREATMENT 29 2.1 Introduction 29 2.2 Worldwide Concern Over Drinking Water Safety 30 2.3 Microbiological Quality of Source Water 33 2.4 Overview of Processes Involved in Drinking Water Treatment Plants 35 2.5 Process Microbiology and Fate of Pathogens and Parasites in Water Treatment Plants 36 2.6 Waste Residuals from Water Treatment Plants 55 2.7 Drinking Water Quality at the Consumer's Tap 55 Web Resources 62 Further Reading 63 3 DRINKING WATER DISINFECTION 65 3.1 Introduction 65 3.2 Chlorine 66 3.3 Chlorine Dioxide 72 3.4 Ozone 74 3.5 Ultraviolet Light 76 3.6 Use of Photocatalists in Water Disinfection 85 3.7 Physical Removal/Inactivation of Microbial Pathogens 86 Web Resources 89 Further Reading 89 4 DRINKING WATER DISTRIBUTION SYSTEMS: BIOFILM MICROBIOLOGY 91 4.1 Introduction 91 4.2 Biofilm Development in WDSs 93 4.3 Growh of Pathogens and Other Microorganisms in WDSs 105 4.4 Some Advantages and Disadvantages of Biofilms in Drinking Water Treatment and Distribution 109 4.5 Biofilm Control and Prevention 112 Web Resources 114 Further Reading 115 5 ESTHETIC AND OTHER CONCERNS ASSOCIATED WITH DRINKING WATER TREATMENT AND DISTRIBUTION 117 5.1 Introduction 117 5.2 Taste and Odor Problems in Drinking Water Treatment Plants 117 5.3 Algae and Cyanobacteria 121 5.4 Fungi 127 5.5 Actinomycetes 129 5.6 Protozoa 130 5.7 Invertebrates 132 5.8 Endotoxins 134 5.9 Iron, Manganese, and Sulfur Bacteria 134 5.10 Nitrifying Bacteria in Water Distribution Systems 135 Web Resources 137 Further Reading 138 6 BIOLOGICAL TREATMENT AND BIOSTABILITY OF DRINKING WATER 141 6.1 Introduction 141 6.2 Biological Treatment of Drinking Water 141 6.3 Assessment of Biostability of Drinking Water 143 Web Resources 151 Further Reading 151 7 BIOTERRORISM AND DRINKING WATER SAFETY 153 7.1 Introduction 153 7.2 Early History of Biological Warfare 153 7.3 BW Microbial Agents and Biotoxins 154 7.4 Deliberate Contamination ofWater Supplies with BW Agents or Biotoxins 161 7.5 Early Warning Systems for Assessing the Contamination of Source Waters or Water Distribution Systems 165 7.6 Protection of Drinking Water Supplies 168 7.7 Disinfection of BW-Contaminated Drinking Water 169 Web Resources 170 Further Reading 171 8 WATER TREATMENT TECHNOLOGIES FOR DEVELOPING COUNTRIES 173 8.1 Introduction: Water for a Thirsty Planet 173 8.2 Some Statistics ofWaterborne Diseases in Developing Countries 174 8.3 Some HWT Methods or Technologies in Use in Developing Countries 175 8.4 Personal Portable Water Treatment Systems for Travelers and Hikers 189 Web Resources 193 Further Reading 194 9 BOTTLED WATER MICROBIOLOGY 195 9.1 Introduction 195 9.2 Sources and Categories of Bottled Water 197 9.3 Bottled Water Microorganisms 199 9.4 Regulations Concerning Bottled Water 203 Web Resources 204 Further Reading 205 10 INTRODUCTION TO MICROBIAL RISK ASSESSMENT FOR DRINKING WATER 207 10.1 Health-Based Targets for Drinking Water 207 10.2 Quantitative Microbial Risk Assessment (QMRA) 208 10.3 Some Examples of Use of Risk Assessment to Assess the Risk of Infection or Disease From Exposure to Microbial Pathogens 212 Web Resources 216 Further Reading 216 REFERENCES 217 INDEX 289
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