11 18 Gasification
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11 18 Gasification

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11 18 Gasification 11 18 Gasification Presentation Transcript

  • Alternative Energy Term: Gasification
  • Gasification
    • Gasification is a process that converts carbonaceous materials into a gas mixture called synthesis gas or Syngas and is itself a fuel.
    • Gasification is a method for extracting energy from many different types of organic materials
  • Gasification
    • Made from any Biomass or carbon source
    • Carbon material CO & H (syngas)
    • Syngas may be burned directly in internal combustion engines
    • Syngas can be used to produce methanol and hydrogen, or converted into synthetic fuel.
    Steam
  • Gasification vs Combustion
    • Combustion oxidizes materials in the presence of O 2 to produce heat, H 2 0 and CO 2
    • Gasification restricts O 2 and produces CO and H 2 . Gasification operates at high temperatures & pressure (2,600°F & 1000psi)
    • The gas is then burnt to produce energy and maintain the temperature of the reaction
  • Coal Gasification
    • Widely used to create electricity
    • Clean air act and emission restrictions are ending most burning of coal for electricity so now it is gasified
  • Wood Gasification
    • Old technology replaced by cheap oil
    • Seeing a resurgence
  • Byproducts
    • Slag
    • Ash
  • $79
    • http://www.almostfreefuel.com/gasification.html