Experiment 1: Average Effluent Turbidity vs
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Velocity - Low Floc Blanket Formation
During Experiment 1, the following velocities were used: 5 m/day, 10 m/day, 15 m/day and 20 m/day. This experiment was set on low floc blanket formation.
Figure 1: Average Effluent Turbidity vs. Capture Velocity
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As expected, the effluent turbidity is much higher than that of the control experiment. The presence of saturated water in the influent has a very clear negative effect on the effluent turbidity. In order to quantitatively examine the performance of the experiment with saturated water, data from the control ramp experiment was referenced. The average difference in error between the results was found to be 3.857, with the effluent turbidity of the saturated water experiment generally higher than that of the control experiment. The bubbles released as a result of a pressure drop in the system disturbed floc formation, allowing less floc particles to settle and more, smaller, lighter particles to leave with the effluent. The occasional spikes in the data represent an air bubble floating up through the settler which creates a temporary spike in the turbidity.
Experiment 2: Average Effluent Turbidity
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vs Velocity - High Floc Blanket Formation
During Experiment 2, the following velocities were used: 5 m/day, 10 m/day, 15 m/day and 20 m/day. This experiment was set on high floc blanket formation.
Figure 1: Average Effluent Turbidity vs. Capture Velocity
Conclusion
Like Similar to the data collected for the saturated water experiment on low floc blanket on lowformation, the effluent turbidity for the experiment on high floc blanket on high formation is generally higher than that of the control experiment. In order to quantitatively examine the performance of the experiment with saturated water, data from the control ramp experiment was referenced. The average difference in error between the results was found to be .173, with the effluent turbidity of the control saturated water experiment. The difference isn't as great as that found in the experiment with the low floc blanket formation due to the intitially low effluent turbidity for this particular experiment. High floc blanket formation already results in an increase in effluent turbidity. The spikes in the turbidity represent an air bubble floating through the plate settler creating a temporary elevated turbidity