Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

  • If a sludge blanket occurred in the previous week in both tanks, measure the height of the blanket in the tanks by the layer of clear water at the top. I am assuming that the level of the blanket will be fairly high, maybe even submerging the lamella. If this is the case, we will want to play around with the height of the sludge blanket, since the lamella are not designed for this kind of interaction with the sludge blanket. We will try to lower the height of the sludge blanket by opening the drainage valve at the bottom of the tank a little bit. If the blanket responds accordingly, we will want to see if it will remain at that height, or just resume its previous height by checking on the level of the sludge blanket the following day. If this is successful, we will continue to lower it more until the sludge blanket no longer responds in the same manner. During this time, we will be measuring the effluent to see what the best height of the sludge blanket is for the clearest water.
  • If a sludge blanket has not occurred in the previous week in the lamella tank, begin to play with a siphon to see if we can form a sludge blanket at a lower height, by continuously draining some of the water from the height we desire (similar to Matt Murst's experiment PPST Goals Fall 2008. ..Do calculations for a tube diameter for this siphon so as to obtain a flow of about 1% of the total flow out of the sedimentation tank.
  • In spare time, work on the glossary of term and contact page for the Cornell University Water Filtration Plant Operators.

Write Final Report and prepare presentation (12/12/08)

...