1. Review of Environmental Engineering II

2. Water quality management Water pollutants sources – Point sources – Nonpoint sources Water pollutants – Oxygen demanding material – Nutrients – Pathogenic organisms – Suspended solids – Salts – Toxic metals – Heat – ….

3. Water quality management Water quality management in rivers – Effect of pollution on river – Effect of oxygen-demanding waste on rivers Biochemical Oxygen Demand （ BOD ） COD – DO sag curve Oxygen deficit DO sag equation – Management strategy

4. Water treatment Importance of water Characteristics of water – Physical – Chemical – Microbiological – Radiological Water standard Water classification – Ground water – Surface water

5. Water treatment Treatment systems – Water treatment facilities – Treatment process Coagulation Softening – Lime-Soda Softening – Ion-exchange softening Mixing and flocculation Flocculation Sedimentation Filtration Disinfection – Other treatment process of drinking water

6. Wastewater treatment Perspective Characteristic of domestic wastewater On-site disposal systems – Septic system Municipal wastewater treatment system – Pretreatment – Primary treatment – Secondary treatment – Advanced wastewater treatment Sludge treatment