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Previous research indicated that an alum dosage of 45 mg/L is considered to be ideal. This preliminary data is the base for further research. The graphs below show the effluent turbidity plotted against time for capture velocities of 0.058, 0.116, 0.174, and 0.231 mm/sec. Image Modified
Figure 1: Effluent Turbidity vs. Time for Floc Blanket on low, alum dose = 45 mg/L

Image Modified
Figure 2: Effluent Turbidity vs. Time for Floc Blanket on high, alum dose = 45 mg/L

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