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| Left, a student team competes at the Residuals and Biosolids 2011 Wastewater Challenge. Photo courtesy of Yoo. |
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Teams designed a treatment system to handle the a scenario of a failed levee system. The challenge was to design a system that would control the runoff by intercepting flow, treating the water using common household items, running the water through a composting facility, and discharging it into a wetland. Enough of the water, containing low levels of dissolved oxygen and high levels of nitrate, orthophosphorus, and turbidity, had to be passed through the treatment system to reduce nutrients, keep a neutral acidity, and raise dissolved-oxygen levels in the time allotted. The teams submitted design notebooks and were scored on design simplicity and sustainability, efficiency and structural–operational durability, creative use of engineering principles, and overall safety.
Cal State University–Fullerton team members Nikolas Vokhshoori and Michael Dummer placed first, receiving $1500, and University of California–Irvine team members Robert Davis, Garrett Kehoe, Daryl Santos, and Wayne Wu placed second, receiving $1000. Award money and team plaques presented to the two winning teams were funded through sponsorship. For more information, see www.wef.org/WastewaterChallenge.
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