Question

1. Contrast type I and type II sedimentation. 2. List 3 design parameters for clarifiers. 3. Write an equation to calculate vo based on sedimentation tank geometry and flowrate. 4. Calculate clarifier removal efficiency by comparing v, and vo. 5. Identify the coagulant which produces the denser (heavier) floc: Alum or Ferric Chloride. 6. Define effective size for filtration media. 7. Define filtration rate 8. Contrast the cleaning process for slow and rapid sand filters. Directed reading for section 6-6 and 6-7 to come prepared for Monday's class: 9. Identify the grain size distribution index (e.g. dso) that controls the backwashing rate for a 10. Contrast disinfection and sterilization. 11. Name a chemical commonly added to water for disinfection (the name of the element is sufficient) 12. Name a type of disinfection that does not use any chemical addition.

Answer 1

as per HomeworkLib policy we can answer one question at a time but since your questions were short so I answered 5 but from next time please ask questions as per HomeworkLib rules so that we can help you better. and please rate also. Your ratings are highly appreciated.