| 1 | Introduction, Overview of Treatment Plants | 1,2,3,4,11 |
| 2 | Operation of Treatment Plants | 1,2,3,4,11 |
| 3 | Wastewater Characteristics | 1,2,5,11 |
| 4 | Screens, Grinders, Comminutors and Grit Champers | 1,2,5,11 |
| 5 | Sedimentation and Flotation | 1,2,5,6,7 |
| 6 | Operation Physical Treatment Plants | 1,2,5,6,7 |
| 7 | Packed Treatment and Oxidation Ditches | 1,2,5,6,7 |
| 8 | Sludge and Scum Collection Apparatus | 1,2,5,6,7 |
| 9 | Activated Sludge Systems | 1,2,5,6,7 |
| 10 | Operation of Activated Sludge Systems | 1,2,5,6,7 |
| 11 | Operation of Biological Treatment Plants | 1,2,5,6,7 |
| 12 | Analysis and Presentation of Measurement Results | 1,2,5,6,7 |
| 13 | Basic Mathematics Formulas and Applications Used in Operation of Treatment Plants | 1,2,5,6,7 |
| 14 | Sustainable environment; ecology, global environmental problems and sustainability | 1,2,3,4,5,6,7 |
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