6.7.4. Aeration and Settling

Try these first

1. 1.

   What is aeration?

   Hint

   Think about what happens when air mixes with water.

2. 2.

   Why is settling used?

   Hint

   Consider what happens to dirt in still water.

3. 3.

   What is the main goal of aeration in water treatment?

   • To remove suspended solids
   • To introduce air and remove VOCs
   • To clarify water

   Hint

   Think about what pollutants aeration targets.

4. 4.

   Settling is used to:

   • True
   • False

   Hint

   Does settling improve or worsen water quality?

5. 5.

   Design a small-scale treatment system for a construction site that includes both aeration and settling. Discuss the materials and processes you would use.

   Hint

   Consider local regulations on waste and treatment processes.

6. 6.

   Explain the effects of skipping either aeration or settling when treating water and the potential consequences for concrete quality.

   Hint

   How each process affects the quality of construction materials.