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The Role of Hydrogen Production in Landfill Gas Utilization

The Role of Hydrogen Production in Landfill Gas Utilization. Prepared By Kurt Kornbluth, Dr. Paul Erickson , Zach Mccafferty Department of Mechanical and Aeronautical Engineering and Rob Williams, Biological and Agricultural Engineering. Project Activities. 1st Stakeholders workshop

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The Role of Hydrogen Production in Landfill Gas Utilization

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  1. The Role of Hydrogen Production in Landfill Gas Utilization Prepared By Kurt Kornbluth, Dr. Paul Erickson, Zach Mccafferty Department of Mechanical and Aeronautical Engineering and Rob Williams, Biological and Agricultural Engineering

  2. Project Activities • 1st Stakeholders workshop Define Research Focus • 2nd Stakeholders workshop Present Draft Report • Final Report

  3. Report Focus • California LFG Potential • Producing Vehicle-grade hydrogen from LFG • Methods/Economics • Hydrogen enrichment of LFG to reduce NOx emissions • Methods/Economics

  4. California LFG Potential Spadra Mission Canyon Puente Hills

  5. LFG Methane Model Result 85 billion cubic feet per year (BCF/y) methane produced and ~ 55 BCF/y recoverable in 2005 * Updated from California Biomass Collaborative Resource Reports

  6. Hydrogen Potential From LFG in CA Assumes fuel cell vehicle efficiency is equivalent to 60 mpg gasoline

  7. LFG to Hydrogen for Vehicle Fuel

  8. Scenarios Considered

  9. Results

  10. Hydrogen Enrichment of Landfill Gas (HLFG)

  11. NOx ReductionScenarios

  12. Results

  13. Results Summary • H2 potential from LFG is 2% of California’s gasoline usage • H2 from LFG may be cost-competitive but technical hurdles exist in pre and post-process clean up • Early H2 fueling stations will be demonstration-scale only • HLFG has potential for lowering NOx emissions but is only viable If Hydrogen is produced via the LFG fuel-stream

  14. Recommendations • Proof-of-concept HLFG in an IC engine • Demonstration-scale project for LFG-to-hydrogen for vehicle fuel

  15. Questions?

  16. SCS Engineers Estimate

  17. Estimating Hydrogen Potential from California Landfill Gas • Predicted LFG production from California landfills (2005-2025) • Then estimate Hydrogen potential from LFG using assuming basic steam-methane-reforming (SMR) of natural gas

  18. Landfill Gas Potential from California Landfills (2005-2025) • Based on waste-in-place (WIP) since 1970 and projected future disposal • WIP since 1970 is approximately 1.1 billion tons • Disposal growth from 42 to 53 million tons per year (2005-2025)

  19. Landfill Gas Potential from California Landfills (2005-2025) • Model similar to LandGEM (USEPA) first order decay model for LFG estimate • Assumes waste has ultimate methane yield of 3,200 ft3/ton Model output for 1 ton of waste buried in year 0

  20. Scope Flare Vent Energy Recovery CO2 recovery/sequestration LFG (CH4, CO2) CO2 removal/ purification High Purity CH4 H2 Production Clean-up Landfill H2 Enrichment Fuel Cell Electricity Transportation Power Generation

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