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

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Plant’s Best Choice (current practice) Alum and Cationic Polymer (fed separately) • Sludge reduced by up to 35 percent • Expected cost reduction by 25 - 30 percent (compared to alumer) • Consistent filtered turbidity • Improved operational control • Can be optimized to meet plant’s future goals
What Affected the Choice of Coagulant at HWTP • Raw water quality: turbidity and NOM • Operational goals: sludge production, effluent quality, chemical costs • Treatment train: sedimentation basins, filter configuration, feeding equipment
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: Results of Full-Scale Testing and C
Page 23 and 24: Rapid and Flocculation Mixing Raw w
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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