Part One Introduction 1 Unit 1 Hydrologic Cycle 1 Important Words and Expressions 3 Exercises 4 Reading Material A 4 Reading Material B 7 Unit 2 Water Legislation and Regulation 8 Important Words and Expressions 10 Exercises 11 Reading Material A 12 Reading Material B 14 Unit 3 Analytical Technique and Methodology 16 Important Words and Expressions 18 Exercises 19 Reading Material A 20 Reading Material B 22 Part Two Water Supply and Sewerage System 24 Unit 4 Water Supply System 24 Important Words and Expressions 25 Exercises 26 Reading Material A 27 Reading Material B 29 Unit 5 Wastewater Collection and Sewerage System Design 31 Important Words and Expressions 34 Exercises 35 Reading Material A 36 Reading Material B 39 Unit 6 Stormwater Collection and Sewer Design 41 Important Words and Expressions 43 Exercises 44 Reading Material A 45 Reading Material B 47 Unit 7 Pumps and Pumping Stations 50 Important Words and Expressions 53 Exercises 54 Reading Material A 55 Reading Material B 57 Part Three Physical-Chemical Treatment Process 60 Unit 8 Coagulation and Flocculation 60 Important Words and Expressions 62 Exercises 63 Reading Material A 64 Reading Material B 67 Unit 9 Sedimentation 69 Important Words and Expressions 72 Exercises 73 Reading Material A 74 Reading Material B 76 Unit 10 Filtration 79 Important Words and Expressions 81 Exercises 81 Reading Material A 82 Reading Material B 86 Unit 11 Chemical Oxidation 88 Important Words and Expressions 91 Exercises 92 Reading Material A 93 Reading Material B 96 Unit 12 Adsorption 99 Important Words and Expressions 102 Exercises 103 Reading Material A 104 Reading Material B 107 Unit 13 Membrane Filtration Processes 110 Important Words and Expressions 112 Exercises 113 Reading Material A 114 Reading Material B 116 Part Four Biological Treatment Process 118 Unit 14 Activated Sludge Process 118 Important Words and Expressions 120 Exercises 120 Reading Material A 121 Reading Material B 123 Unit 15 Attached Growth Biological Treatment Process 125 Important Words and Expressions 127 Exercises 128 Reading Material A 129 Reading Material B 131 Unit 16 Anaerobic Biological Treatment 134 Important Words and Expressions 136 Exercises 137 Reading Material A 138 Reading Material B 139 Part Five Sludge Treatment,Reuse and Disposal 142 Unit 17 Thickening 142 Important Words and Expressions 144 Exercises 144 Reading Material A 145 Reading Material B 148 Unit 18 Anaerobic Digestion 150 Important Words and Expressions 152 Exercises 153 Reading Material A 154 Reading Material B 157 Unit 19 Dewatering 160 Important Words and Expressions 163 Exercises 164 Reading Material A 164 Reading Material B 167 Unit 20 Sludge Utilization and Disposal 170 Important Words and Expressions 171 Exercises 172 Reading Material A 173 Reading Material B 175 Part Six Building Water Supply and Drainage 178 Unit 21 Cold Water Supply 178 Important Words and Expressions 180 Exercises 180 Reading Material A 181 Reading Material B 183 Unit 22 Building-Drainage System 185 Important Words and Expressions 187 Exercises 187 Reading Material A 188 Reading Material B 189 Unit 23 Fire-Fighting Systems 192 Important Words and Expressions 194 Exercises 195 Reading Material A 196 Reading Material B 197 References 200