DIGESTER GAS ENERGY RECOVERY ALTERNATIVES

More documents

Recommendations

Info

Possible Implementation of Direct DriveEngine at JPWWTP & SWWTPJPWWTP: Operation of 400 HP fluidized bedincinerator blower– Electrical savings of ~ $210,000 / yearSWWTP: Operation of 700 HP center aeration blower– Electrical savings of ~ $365,000 / yearBrake Horsepower9008007006005004003002001000Brake Horsepower vs Digester Gas FlowSWWTP CENTER AERATIONBLOWERFLUIDIZED BED INCINERATORBLOWER0 50000 100000 150000 200000 250000Digester Gas Flow (CFD)Cost of approximately$30,000 per 100 HPcapacity
Alternatives – Clean Natural Gas SaleOption 1: Public / Private Partnership– Gas cleaning system ($1.5 million) provided by private company– City pays electrical costs– City and private company split revenue of gas saleJPWWTP Revenue from Pipeline Sale$25,000$20,000Monthly Income$15,000$10,000$5,000Income from SaleElectric Costs$0JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecemberMonthJPWWTP (2007 data) net revenue of $95,000– $170,000 in gas sale (after 50 / 50 split)– $75,000 in annual electric cost
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 and 14: Levels of TreatmentPipeline Quality
Page 15: Possible Implementation of Electric
Page 19 and 20: Alternatives - CNG VehiclesInstalla
Page 21 and 22: Summary and ConclusionsElectrical a

DIGESTER GAS ENERGY RECOVERY ALTERNATIVES

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?