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My part consisted of designing the middle of the unit, the foam filtration body itself. The design focused on a unit that consisted of utilized a polyvinyl chloride (pvc) pipe with a diameter that varied based on the needed volume of filtered water. Foam was to be supported at the bottom of the filter column by a screen. Additionally, one orifice would be drilled into the top and bottom of the column to let water enter and exit the filtration unit respectively. The orifices were designed so that the flow through the filter would be constant (meaning that the inlet flow would be equivalent to the exit flow). After leaving the column, the filtered water would then be chlorinated and sent to a distribution tank.
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