Systematic Approach to Water Treatment Plant ... - Ohiowater.org

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Rapid and Flocculation Mixing Raw water Low lift pump Coagulant Mixing Chamber Flocculation Basin Settling basin Mixing Intensity (G-value) G = (P/μV) 1/2 G – velocity gradient, s -1 P – power input, ft·lb/s µ – dynamic viscosity, ft·s/ft 2 V – volume, ft 3
Rapid and Flocculation Mixing Raw water Low lift pump Coagulant Mixing Chamber Flocculation Basin Settling basin Operation Mixing Time G value, s -1 Rapid mixing 1 – 60 sec 600 - 1500 Flocculation 20 – 30 min 40 - 70
Page 1 and 2: SYSTEMATIC APPROACH TO WATER TREATM
Page 3 and 4: Chemical Feed Rate Optimization ‣
Page 5 and 6: Case 1 Three Rivers Filtration Plan
Page 7 and 8: Case 1: Treatment train Fe 2 (SO 4
Page 9 and 10: Case 1: Chemical feed optimization
Page 11 and 12: What are the Choices ‣ Metal salt
Page 13 and 14: Case 2 Holland Water Treatment Plan
Page 15 and 16: Case 2: Holland WTP Schematic Cl Co
Page 17 and 18: Alternative Coagulants Tested • P
Page 19 and 20: Results of Full-Scale Testing and C
Page 21: What Affected the Choice of Coagula
Page 25 and 26: Case 3: Plant Schematic Cl NaOH Alu
Page 27 and 28: Case 3: Computer simulation analysi
Page 29 and 30: Case 4 Holland Water Treatment Plan
Page 31 and 32: Water Quality Monitoring: UV254 ‣
Page 33 and 34: Case 5: Effect of UV254 on coagulan
Page 35 and 36: UV254 Analysis is Fast and Simple
Page 37 and 38: Summary Ensure that chemical feed

Systematic Approach to Water Treatment Plant ... - Ohiowater.org

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