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October 24, 2008

Accomplishments

  • cleaned floc tank Sunday, Wednesday, Thursday and Halloween
  • setup the tube flocculator
  • manipulated the increment alum dosing in the operator selected state
  • attempted to use peristaltic pump with tube flocculator
  • replaced tapered baffles with uniform baffles to run increment alum tests
  • worked on wiki page

Outcomes

  • created turbidity profiles on Sun, Tues, Weds and Fri
  • improved our method of creating turbidity profiles, by normalizing data and adding more data points
  • replaced soft tubing in the tube floc with rigid tubing.
  • Sunday's turbidity profile inaccurate because incrememnt alum dosing was not set
  • also cleaning and sampling method varied each test so data cannot be compared
  • two tests on uniform baffles will be run next week with increment alum dosing then the uniform baffles will be replaced by the tapered baffles

Issues

  • will need functional pumps for tube flocculator
  • need to replace bulb on tank light
  • understand how to setup and operate increment alum doing with the process controller
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