Wall Decay Coefficients - Ohiowater.org

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Model Inputs for Water Quality Runs • Bulk and wall decay coefficients • Chlorine concentration at clearwells • Hydraulic time step – 60 min • Water quality time step – 2 min • Simulation time – 21 days
Chlorine Calibration Goals • Age ↑ - Chlorine↓ • Older water – further out in the system • 0-12 hrs → 0.1 • 12-24 hrs → 0.15 • >24 hrs → 0.2
Page 1 and 2: Determination of Chlorine Bulk and
Page 3 and 4: Greater Cincinnati Water Works: Sys
Page 5 and 6: Model Calibration Flow Chart All Pi
Page 7 and 8: Field Testing to Monitor Chlorine R
Page 9 and 10: Water Surface Elevation (ft) Model
Page 11 and 12: Chlorine Bulk Decay Coefficients
Page 13 and 14: Bolton Plant First Order Bulk Decay
Page 15 and 16: Wall Decay Coefficients: Software B
Page 17 and 18: Wall Decay Coefficients: Multiple C
Page 19: Wall Decay Coefficients: Overview W
Page 23 and 24: Calibration Results: Bulk Decay Opt
Page 25 and 26: Wall Decay Coeficient, Kw Wall Deca
Page 27 and 28: Calibration Results: Wall Decay Com
Page 29 and 30: Conclusions (cont’d) • Chlorine
Page 31: Questions??? Haishan.Piao@ GCWW.Cin

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