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Mgl3 no3 n conc mgl3 nh3 n concmgl3 45 simulation

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Unformatted text preview: Anae robi c Anox i c Ae robi c E ffl u e n t • Simulated Nitrogen profiles were similar to Nitrogen were similar to that of measured profiles in the pilot plant. • Simulated PO4-P Concentration in anaerobic 10 basin was much different from that of 5 measured values due to DO & NO3-N 0 Influent Anaerobic Anoxic Aerobic Effluent Concentration. KOLON E&C CO.,LTD 5. Additional Results (1) 5.1.4. Simulation for optimal conditions Influent Distribution Ratio 0:1, 1:9, 2:8, 3:7, 4:6, 5:5, 7:3, 8:2 Internal Internal Recycle 0, 50, 100, 150, 200, 250, 300 % Return Sludge 10, 20, 30, 40, 50, 60, 70, 80, 90 % Sludge Waste 0.5, 0.75, 1.0, 1.25, 1.5, 1.75, 2.0, 2.25, 2.5, 2.75 % Optimal Conditions Conditions Operation Conditions for Simulation Effluent (mg/L) Contents Influent Distribution Ratio Internal Recycle Return Sludge Sludge Waste CODCr T-N T-P Conditions & Conc. 5:5 150 % 50 % 1.75 % 33.38 15.88 1.06 KOLON E&C CO.,LTD 5. Additional Results (1) 5.1.4. Simulation for optimal conditions HRT Optimal Conditions Conditions Effluent (mg/L) (mg/L) Influent Flow (m3/d) HRT (d) CODCr T-N T-P 20 9 33.38 15.88 1.06 • Increase in HRT has no effects on T-N 18 10 33.28 15.81 1.11 removal removal. 16 11.25 33.09 15.78 1.17 14 12.86 32.80 15.79 1.31 12 12 15 32.56 15.84 1.56 • Rather, T-P concentration was increased with increasing HRT. Basin Cell Partition • Basin Cell Partition => similar to Flug Flow • Cell Partition was effective in increasing T-N and T-P removals. and removals Contents CODCr T-N T-P Conc. (mg/L) (mg/L) 32.70 15.04 0.72 KOLON E&C CO.,LTD 5. Additional Results (1) 5.1.4. Simulation for optimal conditions Methanol Addition Effluent (mg/L) (mg/L) Addition Rate (L/d) CODCr T-N T-P 0 33.38 15.88 1.06 1 34.86 15.39 0.68 3 35.90 15.04 0.59 5 36.67 14.60 0.58 10 38.81 13.48 0.57 Pre-Fermentation Liquid Contents CODCr T-N T-P pH Conc. 35,000 mg/L 600 mg/L 200 mg/L 4 Effluent (mg/L) (mg/L) Addition Rate Rate (L/d) CODCr T-N T-P 0 33.38 15.88 1.0...
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