Laminar Tube Flocculator
Introduction
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If you are new to the team or would like to know more about the upkeep of our experimental setup, check out the basics. An excellent resource for information on tube flocculator is Ian Tse's M.S. thesis: Fluid shear influences on hydraulic flocculation systems characterized using a newly developed method for quantitative analysis of flocculation performance. Detailed information on the Process Controller ProCoDA Software as well as descriptions of the data analysis process can be found in the appendix of this M.S. thesis.
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- Determine optimal positioning for floc break up points by comparing the residual turbidity of an evenly distributed clamp system with clamp systems that gradually decrease the number of clamps toward one or both ends of the flocculator. As residual turbidity decreases the flocculator performance improves.
- Compare the performance of tapered tube flocculation with regular tube flocculation. Design a tapered system -- small tube at the beginning, medium tube in the middle, and large tube at the end (same length for each size of the tubing) using 10 mg/L PACl dose and 28 m tube flocculator length (N://files.Cornell.edu/EN/aguaclara/RESEARCH/Tube Floc/Spring 2013/Experiments/Single PACl 10 mgL.pcm/). As tube size (diameter) increases, energy dissipation rate decreases, allowing flocs to continue to grow. The larger that flocs can grow, the lower the residual turbidity will be.2. Determine optimal positioning for floc break up points by comparing the residual turbidity of an evenly distributed clamp system with clamp systems that gradually decrease the number of clamps toward one or both ends of the flocculator. As residual turbidity decreases the flocculator performance improves.
Current Research (Spring
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2015)
* Design and implement a settled water turbidity (SWaT) measurement system that can more accurately measure low turbidities than the previous FReTA system. Using this new SWaT system, repeat experiments using only one clamp of variable size on the middle of the tubing arrangement. Compare the results of these experiments with the results of the same experiments run using the FReTA system from the Fall 2013 research.
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