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I was a member of the StaRS Theory team. We redesigned and built the filter apparatus so that it better represents the Stacked Rapid Sand Filterstacked 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 Theory team by explaining the theory and lab setup to the other team members. We continued the previous semester's work in creating a work from Fall 2014 in running experiments and collecting data to create a mathematical model of the SRSF stacked rapid sand filter and discovering what inputs will change effluent turbidity and head loss.
Fall 2014 Contributions
I am a member of continued my work on the StaRS Theory team. We will analyze I analyzed the data from the previous semester and Spring 2014 and designed experiments to test hypotheses concerning the head loss and geometry of the stacked rapid sand filter. We will begin creating a mathematical model for the stacked rapid sand filterI 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.