Influent Turbidity Variation

Experiment 1: 5 NTU influent, 10 inch foam depth, 6 mm/s downflow velocity, 1.5 mg/L alum dose

Experiment 2: 10 NTU influent, 10 inch foam depth, 6 mm/s downflow velocity, 1.5 mg/L alum dose

Experiment 3: 15 NTU influent, 10 inch foam depth, 6 mm/s downflow velocity, 1.5 mg/L alum dose