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Biomass Pyrolysis

December 10, 2009 Leave a comment Go to comments

Pyrolysis is the chemical decomposition of condensed organic substances by heating. Pyrolysis is the basis of several methods that are being developed for producing fuel from biomass, which may include either crops grown for the purpose or biological waste products from other industries. Vehicles were run on gas produced by pyrolysis of wood in times of war to replace unavailable fossil fuels. The improved electrical efficiency of the energy conversion via pyrolysis naturally means that the potential reduction in CO2 is greater than with combustion. Pyrolysis of biomass generates three different energy products in different quantities: coke, gas and oils. Pyrolysis as a first stage in a two-stage gasification plant for straw and other agricultural materials does deserve consideration.

The following technologies have been proposed for biomass pyrolysis:

  • Fixed beds
  • Augers
  • Ablative Processes
  • Fluidized Bed
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