前言 Part 1 Teaching Reading Material Unit 1 Sources of Water Supply Unit 2 Combating Water Pollution Unit 3 Water and Wastewater Treatment Methods Unit 4 Composition of Wastewater Unit 5 Sedimentation Unit 6 Filtration Unit 7 Mechanism of Coagulation Unit 8 Carbon Adsorption Unit 9 Water Softening Unit 10 Biological Treatment System Unit 11 Activated Sludge Processes Unit 12 Anaerobic Biological Treatment Unit 13 Tertiary Treatment of Wastewater Part 2 Supplementary Reading material Unit 1 AEROBIC BIOLOGICAL OXIDATION Unit 2 ANAEROBIC FERMENTATION AND OXIDATION Unit 3 BIOLOGICAL NITRIFICATION Unit 4 BIOLOGICAL DENITRIFICATION Unit 5 ION EXCHANGE Unit 6 MEMBRANE FILTRATION PROCESSES Unit 7 ADSORPTION Unit 8 BIOLOGICAL PHOSPHORUS REMOVAL Unit 9 SELECTION AND ADAPTATION Unit 10 SUSPENDED-GROWTH REACTORS AND BIOFILM REACTOR Unit 11 ROTATING BIOLOGICAL CONTACTORS REFERENCES