DIGESTER GAS ENERGY RECOVERY ALTERNATIVES

More documents

Recommendations

Info

Alternatives - CogenerationTypical electrical efficiency: 28 to 33% efficientPer 1 MGD of plant capacity*:– 500 to 600 kWh per day generated– $15,000 + per year in electricity savingsTypical thermal efficiency: 45 to 60% efficientPer 1 MGD of plant capacity*– 3 to 3.5 MMBTU per day in recoverable heat– $7,000 + per year in natural gas savings* Assuming no other usage of digester gas
Possible Implementation of ElectricityGenerating Engine at JPWWTP & SWWTPPlantAverage GasFlowEngineSizekWh perMonthGeneratedPlant MonthlyPower UsagePercent of PlantPower UsageJackson Pike 240,000 CFD 570 kW 411,000 kWh 4.51 MM kWh 9%Southerly 380,000 CFD 900 kW 651,000 kWh 5.03 MM kWh 13%JPWWTP: $390,000 per year in electrical savingsSWWTP: $625,000 per year in electrical savingsGE Jenbacher Engine– Approx $100,000 per 100 kW
Page 1 and 2: DIGESTER GASENERGY RECOVERYALTERNAT
Page 3 and 4: Digester Gas ProductionAnaerobic di
Page 5 and 6: SWWTP Digester Gas ProductionAt tim
Page 7 and 8: Digester Gas Trace ConstituentsHydr
Page 9 and 10: Hydrogen Sulfide RemovalSorption te
Page 11 and 12: Carbon Dioxide RemovalGenerally not
Page 13: Levels of TreatmentPipeline Quality
Page 17 and 18: Alternatives - Clean Natural Gas Sa
Page 19 and 20: Alternatives - CNG VehiclesInstalla
Page 21 and 22: Summary and ConclusionsElectrical a

DIGESTER GAS ENERGY RECOVERY ALTERNATIVES

Create successful ePaper yourself

Delete template?

Save as template?