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Organic Waste Fuels Vehicle Fleet in Sacramento

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24 diapositives · 423 Views · Jul 31, 2014

Organic Waste Fuels Vehicle Fleet in Sacramento. Omni Resort June 24. 2014. Project Overview. Convert Food Waste to energy (fuel) and fertilizer. Divert organics from landfill Produce Low Carbon CNG V ehicle Fuel. Project Background. South Area Transfer Station Sacramento, CA

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  1. Organic Waste Fuels Vehicle Fleet in Sacramento Omni Resort June 24. 2014

  2. Project Overview • Convert Food Waste to energy (fuel) and fertilizer. • Divert organics from landfill • Produce Low Carbon CNG Vehicle Fuel

  3. ProjectBackground South Area Transfer Station Sacramento, CA Unused site Sacramento County RFP Clean World and Atlas Disposal were awarded the project BioCNG selected for biogas to vehicle fuel upgrading Public-private partnership • Clean World owns and operates the digester • Atlas Disposal owns the CNG fueling station 3

  4. SATS Site Before After

  5. Feedstocks Source-separated organics Off-spec. packaged food 25 Tons per day- recently expandedto 100 TPD capacity

  6. Pre-processing Technology DODA System • Removes Contaminants • Grinds and slurries wastes • De-packages off-spec food.

  7. Anaerobic Digestion Process

  8. Anaerobic Phased Solids • Separate hydrolysis and methane formation • 3 tank system • Thermophilic temperature • High Solids ( 25%) Capability

  9. Biogas to Vehicle Fuel

  10. Biogas/Vehicle Fuel Benefits • Significant savings over gasoline and diesel • Lock in future fuel cost long term • “Greenest” fuel resulting in a significant carbon footprint reduction • Complies with CNG fuel specs and engine warranties 11

  11. Biogas Treatment Requirements/Considerations • Hydrogen Sulfide Removal • Gas Compression • Moisture Removal • Siloxane/VOC Removal • Carbon Dioxide Removal • Fuel Requirements: • Engine Manufacturers Specifications, SAE J1616

  12. Skid-mounted BioCNG 100 • Currently handling 50-75 scfm • Produces the equivalent of 330 to 400 gallons of diesel fuel per day* • Phase 2 increases production up to 1,400 DGE *All biogas produced by the Clean World digester is currently being processed forvehicle fuel. 13

  13. Package Engine Generator • Operates in parallel with vehicle fuel production • Includes gas conditioning • A portion of waste gas from fuel production will go to the generator.

  14. 250 psig “buffer” storage 4,500 psig CNG storage Fast-fill dispensers CNG Fueling Station

  15. Bio-CNG v. Diesel Emission Reductions10 garbage trucks converted from diesel to Bio-CNG – reduce 1,000+ tons CO2e annually Regional Freight Truck Transit Buses Garbage Truck CO2e Emissions (tons) Municipal Sweeper Miles Driven (x1000)

  16. Federal Renewable Fuel Standard Credits • Renewable Identification Numbers (RINs) • Means to track, register and monetize environmental attributes of alternative vehicle fuels • Available through 2022 • Direct payment from producers– not a tax credit • The Advanced Biofuel (D-5) RIN is currently trading at $0.52= $0.87/ DGE

  17. California Low Carbon Fuel Standard • CARB digester pathway= -15g/MJ carbon intensity • Compared to diesel net carbon credit 110g/MJ • $40/ton CO2=$ 4.64/decatherm(MMBtu) • $0.60/ DGE

  18. A Success Story A Productive Partnership Clean World Atlas Disposal BioCNG Advanced Technology A Growing Business Multiple Environmental Benefits

  19. Thank You Jay Kemp, PE, BCEE Engineering Manager Jay.kemp@biocng.us Katie Oliver-Applications Engineer Katie.Oliver@cleanworld.com 22

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