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Preliminary experimental results suggest that 90 ppi (pores per inch) outperforms the larger pore size foam of 60 ppi. Our team will further test the filtration performance of the 90 ppi foam with aid of alum coagulant and rapid mix. To accomplish this, an alum dosing and rapid mix unit will be added to our experimental setup. Additionally, we would like to further test the effects of higher flow rates on the percentage of colloid removal, and mechanisms of failure of the filter foam.
Presentations
See presentations given by past design teams.