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Spring 2009 Minutes
February 27, 2009
Working Group: Bubbles
Accomplishments
- Collected data
- Solved DO probe bubble problem
- Posted summaries of articles
- Wrote Meeting Minutes
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- Redo AutoCAD drawing of system
- Plans for action
- Doubt about accuracy of DO probe
Working Group: Sand Filter
Accomplishments
- Ran four tests: without sand, sand at 50mL/min, sand at 100mL/min, and sand at 200mL/min
- Add more references in the Annotated Bibliography
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- DO read that the initial DO is lower than the outflow DO for all experiments.
- When the setup starts to run, the inflow DO is too low (as low as 4 mg/L).
- Despite the recalibration of both DO probe, the DO reading still remain incorrect.
- An attempt to fix the DO probe reading: we switch the orginal inflow DO probe with another DO probe.
- The flow rate of the setup is not consistent.
Any Overall Team Comments:
- Great work.