Welcome to everybody

Professor DR MD IDRIS ALI

Principle Technical Teacher’s Traninig CollegeTejgaon, Dhaka 1208

Subject: River Water Treatment

Topic: River Water treatment Plant.

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.

Tista Barrage of Bangladesh

Barrage on the River Tista

Heavily Silted Water of the

Tista River

Water craft Control Gate

Stage Measurement Structure

Hydrograph Drawing and Analysis Station and Turbidity Measurement Station

River Water Treatment Plant

Intake Chamber

GRIT Chamber

Flocculation Chamber

Sedimentation Chamber

Filter Chamber

Storage tank

Systematic Diagram of a Water Treatment Plant

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.

Thank you