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Ucg

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Transcript

  • 1. UCG COMMERCIALISATION
      • CONCLUSION
        • UCG gas production process is ready for commercialisation
      • EVIDENCE
        • Very long history of coal gas production and use
        • Long history of UCG gas production and use
        • Proven technology for UCG gas production and use
        • Perceived barriers to development overcome
        • Current commercial potential is high
  • 2. COAL GAS HISTORY
      • 1802 - First street lights in UK using coal gas
      • 1812 - First gas works in UK
      • 1820s- First coal gas light in Sydney
      • 1862 - Hong Kong & China Gas Co. formed
      • 1870s- Gas cooking introduced to Australia
      • 1965-1975 Natural gas replaces coal gas in Australia
      • 2002 - Hong Kong and China Gas Co produces and distributes 9 million cu.m. gas per day through 2800 km of pipe
      • 2002 - IGCC plants operating in many countries
  • 3. UCG GAS HISTORY
      • FSU - Over 15 m t coal gasified since 1950s. Est. cost US$10 billion
      • USA - 50,000 t coal gasified since 1970s. Est. cost US$300m
      • Europe - Less than 10,000 t coal gasified
            • since 1950s. Est. cost US$100m
      • Australia - Over 32,000 t coal gasified 2000 – 2002. Est. cost US$5m
  • 4. TECHNOLOGY FOR COMMERCIAL USE
    • Gas Production - more than 70 years of gas production and pilot test work
    • Gas Clean-up – filter systems developed for IGCC plants in US and Europe
    • Power Generation - low BTU combustors developed for turbines in IGCC plants
  • 5. CURRENT COMMERCIAL POTENTIAL
    • Chinchilla pilot burn has established
      • Continuous gas production for 30 months
      • Demonstration of decommissioning
      • Proven environmental acceptance
      • Feasibility studies for power generation from 40 to 400MW, using proven plant
      • Highly competitive economics (<US1.5c/kWh)
  • 6. UCG PILOT PLANT BURN CHINCHILLA, QLD
  • 7. CHINCHILLA GAS PRODUCTION Dec 1999 – April 2002 After Blinderman et al. (2002)
  • 8. UCG COMMERCIAL BENEFITS
    • Wellhead gas costs less than 50% of natural gas on an energy equivalent basis
    • Base load p ower costs using UCG gas comparable with much large r supercritical coal-fired stations
    • Additional revenue from sale of by-products
    • CO2 emissions for CCGT power plant 2 5 % less than best coal-fired stations
    • Added emission benefits with CO2 sequestration
    • Wide range of alternative uses for UCG syngas
  • 9. COMMERCIAL ISSUES BEING OVERCOME
    • No access to FSU experience to the West
    • Resolved using Exergy UCG technology
    • Concerns for environmental issues
      • Satisfied by monitoring evidence
    • Perceived high cost of production
    • Resolved by Chinchilla costed plant design
    • Focus on Govt.-funded R&D
    • Industry support being developed
    • Financing for “first-of-a-kind” project
        • Issues identified – task incomplete