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Summer 2013 Contributions
I was a member of the StaRS Theory team Surface vs. Subsurface Filtration team. I ran experiments testing the different variables that cause clogging of the subsurface injection filter as well as measured the effect on effluent turbidity and head loss. The stacked rapid sand filter was compared to the conventional downflow rapid sand filter and the performance data was analyzed. I also modified the experimental apparatus and Process Controller method file as necessary.
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I was a member of the StaRS Filter Theory team team. We redesigned and built the filter apparatus so that it better represents the stacked rapid sand filter. Several issues in designing the experimental apparatus included keeping influent turbidity constant and reducing coagulant loss. We implemented and tested PID control so that influent turbidity stayed at a constant value and I monitored influent turbidity and clay pump control to test whether PID control was effective. I created part of the Process Controller method file to run experiments efficiently. I also compiled and analyzed data on effluent turbidity and head loss to evaluate filter performance.
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I volunteered for the StaRS Filter Theory team team by explaining the theory and lab setup to the other team members. We continued the work from Fall 2014 in running experiments and collecting data to create a mathematical model of the stacked rapid sand filter and discovering what inputs will change effluent turbidity and head loss.
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I continued my work on the StaRS Theory team. I analyzed the data from Spring 2014 and designed experiments to test hypotheses concerning the head loss and geometry of the stacked rapid sand filter. I also rebuilt the experimental apparatus and ran experiments testing whether there was significant head loss across the mesh of the inlet and exit pipes to the filter. I analyzed the head loss data from these experiments.
Spring 2015 Contributions
I am a member of the StaRS Filter Theory