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11 18 Gasification


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11 18 Gasification

  1. 1. Alternative Energy Term: Gasification
  2. 2. Gasification <ul><li>Gasification is a process that converts carbonaceous materials into a gas mixture called synthesis gas or Syngas and is itself a fuel. </li></ul><ul><li>Gasification is a method for extracting energy from many different types of organic materials </li></ul>
  3. 3. Gasification <ul><li>Made from any Biomass or carbon source </li></ul><ul><li>Carbon material CO & H (syngas) </li></ul><ul><li>Syngas may be burned directly in internal combustion engines </li></ul><ul><li>Syngas can be used to produce methanol and hydrogen, or converted into synthetic fuel. </li></ul>Steam
  4. 4. Gasification vs Combustion <ul><li>Combustion oxidizes materials in the presence of O 2 to produce heat, H 2 0 and CO 2 </li></ul><ul><li>Gasification restricts O 2 and produces CO and H 2 . Gasification operates at high temperatures & pressure (2,600°F & 1000psi) </li></ul><ul><li>The gas is then burnt to produce energy and maintain the temperature of the reaction </li></ul>
  5. 5. Coal Gasification <ul><li>Widely used to create electricity </li></ul><ul><li>Clean air act and emission restrictions are ending most burning of coal for electricity so now it is gasified </li></ul>
  6. 6. Wood Gasification <ul><li>Old technology replaced by cheap oil </li></ul><ul><li>Seeing a resurgence </li></ul>
  7. 7. Byproducts <ul><li>Slag </li></ul><ul><li>Ash </li></ul>
  8. 8. $79 <ul><li> </li></ul>