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Wastewater Treatment Practice

Wastewater Treatment Practice. 1. Name the 3 steps of the wastewater treatment plan. 2. What is the purpose of the primary treatment step?. 3. What is the purpose of the secondary step?. 4. What is the purpose of the advanced treatment step?. 5. . Which step is this? What is the name?.

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Wastewater Treatment Practice

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  1. Wastewater Treatment Practice

  2. 1. Name the 3 steps of the wastewater treatment plan.

  3. 2. What is the purpose of the primary treatment step?

  4. 3. What is the purpose of the secondary step?

  5. 4. What is the purpose of the advanced treatment step?

  6. 5. Which step is this? What is the name?

  7. 6. Which step is this? What is the name?

  8. 7. Which step is this? What is the name?

  9. 8. What is the path of wastewater, starting from our homes?

  10. 9. Why is important to not flush down toxic chemicals like drano down the toilet?

  11. 10. What are the 4 tests that a wastewater treatment plant does on the water at various steps of he process?

  12. 11. Explain what the pH test is used for

  13. 12. The pH scale goes from _____ to ______. The most acidic being the ______ numbers.

  14. 13. Why is it important to maintain a wastewater pH between 6.6-8.5?

  15. 14. Explain what the purpose of the ammonia test is

  16. 15. What is the main source of ammonia in our wastewater?

  17. 16. Name the 2 reasons that ammonia is bad

  18. 17. What is the process of bacteria eating the ammonia and turning it into a nitrate called?

  19. 18. Why do we need to dilute the wastewater sample by 50% before using the ammonia test? What do you need to do afterwards to account for the 50% dilution?

  20. 19. Explain what the turbidity test is used for

  21. 20. Why is turbidity bad for fish?

  22. 21. What instrument do we use to measure turbidity?

  23. 22. Why do we cover the colorimeter when reading the blank and sample?

  24. 23. Why do we need to blank the colorimeter before using?

  25. 24. Explain what the Chemical Oxygen Demand test is used for

  26. 25. Explain the cause and effect of eutrophication.

  27. 26. What are the measuring units of pH, ammonia levels and turbidity?

  28. 27. A pH of 5 is acidic/basic?

  29. 28. Does coffee increase or decrease the turbidity?

  30. 29. • Between the original wastewater and after primary treatment, what happened to • the pH? • The turbidity? • Ammonia level? If changed, explain why.

  31. 30. • Between the primary treatment and after secondary treatment, what happened to • the pH? • The turbidity? • Ammonia level? If changed, explain why.

  32. 31. • Between the secondary treatment and after advanced treatment, what happened to • the pH? • The turbidity? • Ammonia level? If changed, explain why.

  33. 32. What kind of organisms were found in the activated sludge?

  34. 33. Why was it important to maintain oxygen levels during the secondary treatment?

  35. 34. What is the difference between aerobic and anaerobic bacteria? What kind of bacteria are in the sludge?

  36. 35. What is the purpose of Aluminum Sulfate?

  37. 36. Advanced treatment involves the following 2 steps:

  38. 37. What does the wastewater facility use to disinfect water? (2 options)

  39. 38. How does the plant remove chlorine form the water?

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