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The Science of a Wastewater Treatment Plant 1

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The Science of a Wastewater Treatment Plant

1. What is Primary Treatment? What is removed? What are the steps of Primary Treatment?

2. How and why are “greaseballs” formed?

3. Primary Treatment Step 2 monitors what chemical? Why?

4. Primary Treatment Step 3 does what?

5. What is the role of the Primary clarifiers? How much of the suspended solids are removed by this process?

6. What is BOD?

7. Secondary Treatment is a biological process? What are “bugs”/bacteria and what are they used for? What component is primarily removed during this process?

8. What do the aeration basins do?

9. What is secondary treatment, part 3? What does this stage do?

10. What is the Final, or Third/last stage of wastewater treatment?

11. At this plant, where is the water discharged?

12. What is the fate of the solids/sludge…where does it go?