Digesters - Metropolitan Water Reclamation District of Greater Chicago
Digesters - Metropolitan Water Reclamation District of Greater Chicago Digesters - Metropolitan Water Reclamation District of Greater Chicago
Energy Flow Modeling• Different Operational Scenarios PossibleDigester Gas?PlantHeatingBoilersMBMFacilityCogenerationNatural GasPlant HeatDemandPlantElectricDemandPower Plant
Triple Bottom Line ScoringScenario ScoreCategory Weight Sub Category Max Score ENG-NG ST-A ST-B ST-CCost Savings 8 5.8 7.2 8.0 7.3Economic 50Sensitivity 2 0 2 2 2Total Economic 10 5.8 9.2 10.0 9.3Weighted Score 500 290 460 500 465GHG Reduction 4 4.0 1.9 2.1 2.2Environmental 30Air Pollutants 6 2 5 5 5Total Environmental 10 6.0 6.9 7.1 7.2Weighted Score 300 180 207 213 215Operability 4 1 4 2 2Maintainability 5 1 5 4 4Social 20 Implementability 1 0 1 0 0Total Social 10 2.0 10.0 6.0 6.0Weighted Score 200 40 200 120 120TOTALOVERALLSCORE1000 510 867 833 800
- Page 3: Presentation Outline• Background/
- Page 9 and 10: Projected Digester PerformanceVSR
- Page 12 and 13: Digester Gas Production - Modeling
- Page 15 and 16: Energy Consumption at SWRP• Build
- Page 24 and 25: Energy Flow Scenarios:Digester Gas?
- Page 26 and 27: Energy Flow Modeling Framework26
- Page 28 and 29: Model Components - Gas Cleanings H2
- Page 30 and 31: Model Components - Plant Energy Dem
- Page 32 and 33: Projecting Future Energy Prices•
- Page 34 and 35: Energy Flow Model - ScenariosScenar
- Page 36 and 37: Energy Flow Model - Results$2,000,0
- Page 38 and 39: Engine Operation Alternatives• Ba
- Page 40 and 41: Updated Model Parameters• New Per
- Page 42: Sensitivity Analysis - Electricity
- Page 45 and 46: Triple Bottom Line Analysis• Econ
- Page 47 and 48: Other Reference InstallationsMetrop
- Page 49 and 50: Calls and Field Visits - Steam Turb
- Page 51 and 52: Conclusions/Discussion• A Combine
- Page 53: Sizing of Cogeneration SystemsCogen
Triple Bottom Line ScoringScenario ScoreCategory Weight Sub Category Max Score ENG-NG ST-A ST-B ST-CCost Savings 8 5.8 7.2 8.0 7.3Economic 50Sensitivity 2 0 2 2 2Total Economic 10 5.8 9.2 10.0 9.3Weighted Score 500 290 460 500 465GHG Reduction 4 4.0 1.9 2.1 2.2Environmental 30Air Pollutants 6 2 5 5 5Total Environmental 10 6.0 6.9 7.1 7.2Weighted Score 300 180 207 213 215Operability 4 1 4 2 2Maintainability 5 1 5 4 4Social 20 Implementability 1 0 1 0 0Total Social 10 2.0 10.0 6.0 6.0Weighted Score 200 40 200 120 120TOTALOVERALLSCORE1000 510 867 833 800
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