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The StaRS Filter Theory team rebuilt an apparatus with an inlet system that used an orifice, rather than copper mesh or slotted pipes. Experiments were run to test the head loss across our system with certain coagulant dosages and determine the relationship between the coagulant doses and head loss across sand. Our ultimate goal is to build a mathematical model that can be used to access the filtration performance parameters and reflects the filter's effluent turbidity, head loss, and time until turbidity breakthrough or excessively high head loss.
Spring 2016
The StaRS Filter Theory team will adjust the experimental apparatus, specifically the flow accumulator and flocculator. Using MathCAD, we hypothesize that using 1/8 inch tubing in the flocculator will allow us to reach a reasonable G while creating a desired size of flocs. With our new apparatus, we have goals to test filter performance given various coagulant doses. The data collected from these experiments will be used to create a mathematical model to examine how coagulant mass affects the filter's effluent turbidity, head loss, and breakthrough time.
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