PartⅠ Water Resource and Legislation 1
Unit1 1
The Hydrologic Cycle 1
Reading Material A Water Resources and Hydrology 5
Reading Material B Environmental Engineering as a Profession 6
Unit2 8
The World Fresh Water Resource 8
Reading Material Water as the Basis for Development 13
Unit3 15
Water Legislation 15
Reading Material Water Rights 20
The National Safe Drinking Water Act 23
Unit4 23
Reading Materials Safe Drinking Water Act—Public Notification 28
Unit5 30
Legislation and Regulation for Water Pollution Control 30
Reading Material The Clean Water Act 34
PartⅡ Water Supply 36
Unit6 36
Water Supply System 36
Reading Material Water Demand 41
Unit7 44
Selection of Water Treatment Processes 44
Reading Material Raw Water Classification 49
Unit8 52
Mixing and Flocculation 52
Reading Material Coagulation 57
Unit9 59
Sedimentation 59
Reading Material A Water Treatment 65
Reading Material B Bottled Water 67
Unit10 69
Filtration 69
Reading Material The History of Sand Filters 75
Unit11 78
Disinfection 78
Reading Material Bacteriological Measurements 84
Unit12 86
Distribution System Configuration and Analysis 86
Reading Material Distribution System Inspection and Maintenance 91
Unit13 94
Selection of Processes for Water Treatment Sludges 94
Reading Material Regulation of Water Treatment Plant Residuals 100
PartⅢ Wastewater Treatment 102
Unit14 102
Water Pollutants and Their Sources 102
Reading Material A Nonpoint Source Pollution—The Nation s Largest Water Quality Problem 108
Reading Material B Biochemical Oxygen Demand 110
Unit15 112
Wastewater Collection Systems 112
Reading Material Onsite Wastewater Disposal 116
Unit16 119
Conventional Wastewater Treatment Processes 119
Reading Material Central Wastewater Treatment 124
Unit17 127
Activated Sludge Processes 127
Reading Material Pretreatment and Primary Treatment 132
Unit18 135
Biological Filters 135
Reading Material A Rotating Biological Contactors 141
Reading Material B Heavy Metals Removal 143
Unit19 146
Anaerobic Treatment 146
Reading Material Anaerobic Reactors 152
Unit20 156
Advanced Wastewater Treatment 156
Reading Material Lake Eutrophication 161
Unit21 165
Sludge Stabilization 165
Reading Material A Sludge Thickening 169
Reading Material B Sludge Conditioning 170
Unit22 172
Sludge Dewatering 172
Reading Material Ultimate Disposal 178
PartⅣ Environmental Engineering and Management 181
Unit23 181
Air Pollutants Source and Effect 181
Reading Material Acid Rain 187
Unit24 190
Air Pollution Law 190
Reading Material Smog 195
Treatment of Air Pollutants 198
Unit25 198
Reading Material A Guide to Indoor Air Quality 206
Unit26 209
Characterization of Solid Wastes 209
Reading Material Household Hazardous Wastes 214
Unit27 217
Solid Wastes Disposal 217
Reading Material Produce Less Waste by Practicing the 3Rs 222
Unit28 226
Sanitary Landfill 226
Reading Material A From Dumptown to Recycle City 232
Reading Material B Refuse Collection and Transfer Operations 233
The Procedure of Environmental Impact Assessment 236
Unit29 236
Reading Material Greenhouse Gases and Global Warming 241
Unit30 244
The Purposes of Environmental Impact Assessment 244
Reading Material The Importance of Biodiversity 250
Unit31 253
Sustainable Development and Sustainability 253
Reading Material Sustainable Production and Use of Chemicals 258
Unit32 261
Environmental Economics 261
Reading Material Economic Concepts of Environmental Management 267
AppendixⅠ Key to Exercises 271
AppendixⅡ Glossary 275