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PSS Meeting Minutes

Fall 2008 Minutes

12/4/08

Accomplishments

  • Effluent turbidity continues to be consistently under 1 NTU
  • Successfully creating floc blankets
  • Began running experiments
  • Adjusted alum stock concentration so that system can be run for extended periods of time
  • Alum stock now being controlled by a separate peristaltic pump

Outcomes

  • Continuing to run system and make adjustments
  • Continuing to thoroughly document system

Issues

  • Floc blanket depth needs to be determined and held constant
  • Mesh broke up large flocs: mesh removed.
  • Sprung a leak! Problems with O-ring at waste effluent tube near top of column
  • Need to determine future of PSS team experiments. Lots to do.
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