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In the latest design, the Non-Linear CDC makes it possible for an operator to set the chemical dose without referring to any tables. This could be a significant advantage. The disadvantage is that this design is more complex and thus we will need to work this carefully to ensure that the CDC technology is sustainable.
Current Research Team
Summer Fall 2010 CDC Research
- The summer research team will serve to validate the Nonlinear Chemical Doser by measuring both precision and accuracy. A battery of tests will be performed to determine the best manufacturing techniques, document surface tension issues and to determine if material selection plays a role in accuracy or precision.
- The team will also investigate various materials and determine the most appropriate components to use. The team will document and standardize these components so that end users can either obtain them locally or understand when parts may need to come from an outside source with the idea being to limit the parts coming from outside sources.
Future Research Goals
- Our goals are 1)To become familiar with the current apparatus, design parameters and constraints. 2) To design a Nonlinear Chemical Dose Controller that can be scaled up or down depending on an input plant flow rate. Also, we would like to improve the design so that it will incorporate the different chemicals used in the plant in addition to alum such as chlorine.3)To create appropriate databases for the materials used (i.e.: float valves, frame, tubing). Additionally, we will be further investigating frame and component materials that are compatible with the chemicals and can be found locallyThis research team will continue to improve on the design of the Nonlinear Dose Controller (NDC) that was developed during the Academic Year 2009/2010. This team will continue with validation studies completed during the Summer 2010 term. The fundamental design of the NDC will be changed to accommodate dosing all process chemicals. Additionally, as the design and components are finalized, this information needs to be incorporated into the Automated Design Tool.
Past Research Teams
Academic Year 2009/2010 Nonlinear Chemical Doser
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- The design of the entrance tank for high flow rate plants such as Gracias.
- Validate the Nonlinear Chemical Doser by measuring both precision and accuracy to determine the best manufacturing techniques, document surface tension issues and to determine if material selection plays a role in accuracy or precision.
- Investigation of various materials and determine the most appropriate components to use.