Experiment 1: Alum dose = 45 mg/L
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. 
Figure 1: Effluent Turbidity vs. Time for Floc Blanket on low, alum dose = 45 mg/L
Figure 2: Effluent Turbidity vs. Time for Floc Blanket on high, alum dose = 45 mg/L
Conclusions
With both a low and high floc blanket, an average effluent turbidity less than 1 NTU was achieved for all capture velocities except for 0.231 mm/sec with a high floc blanket. There was an overall trend of lower average effluent turbidity with lower capture velocity.
It is expected that the effluent turbidity will increase with a higher capture velocity. This is because a larger range of particle velocities that will make their way into the effluent (when the capture velocity is .058 mm/s only particles with a velocity less than this will get into the effluent, however when the capture velocity is .231 mm/s particles moving faster than .058 will now make their way into the effluent). This is evident in both graphs, as the general pattern of the data for all four capture velocities demonstrates this trend. In the high floc blanket state, for 0.231 mm/sec, the highest capture velocity that was tested, the effluent turbidity is significantly higher than the other three capture velocities. This could be because floc particles rolled up the tube and into the effluent. A re-run of this experiment would confirm if floc roll-up is occuring at this capture velocity