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Experiment 2: Alum Dose = 35 mg/L

An alum dose of 35 mg/L is considered to be an under dose. The below graphs show the effluent turbidity vs. time for the same capture velocities used for Experiment 1.

Conclusions

Based on the results of this experiment, and alum dose of 35 mg/L is not an under dose. The system performed above expectations, so we are going to test the system with an alum dose at 25 mg/L to see how the tube settler performs with an actual under dose.

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