1. Welcome to everybody

2. Professor DR MD IDRIS ALI Principle Technical Teacher’s Traninig College Tejgaon, Dhaka 1208

3. Subject: River Water Treatment Topic: River Water treatment Plant.

4. Learning Outcomes : 1.Students will describe working principle of river intake. 2.Students will explain working principle and construction procedure of grit chamber, flocculation and sedimentation chamber. 3.Students will explain filter media and filtration process.

5. Tista Barrage of Bangladesh Barrage on the River Tista Heavily Silted Water of the Tista River

6. Water craft Control Gate

7. Stage Measurement Structure Hydrograph Drawing and Analysis Station and Turbidity Measurement Station

8. River Water Treatment Plant

9. Intake Chamber GRIT Chamber Flocculation Chamber Sedimentation Chamber Filter Chamber Storage tank

10. Systematic Diagram of a Water Treatment Plant

11. Home Work 1.Describe working principle of river intake. 2.Write down importance of grit chamber. 3.Write down and explain flocculation and flocculation chamber. 4.Draw and Write down various elements of River intake. 5.Explain sedimentation and sedimentation chamber. 6.Explain filtration of water after sedimentation. 7.Draw a flow diagram of the plant.

12. Thank you