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Biomass to Liquids

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The Carbo-V® Process is a three-stage gasification process involving the following sub-processes:

  • low temperature gasification,
  • high temperature gasification and
  • endothermic entrained bed gasification.

During the first stage of the process, the biomass (with a water content of 15 – 20 %) is continually carbonized through partial oxidation (low temperature pyrolysis) with air or oxygen at temperatures between 400 and 500 °C, i.e. it is broken down into a gas containing tar (volatile parts) and solid carbon (char).

During the second stage of the process, the gas containing tar is post-oxidized hypostoichiometrically using air and/or oxygen in a combustion chamber operating above the melting point of the fuel’s ash to turn it into a hot gasification medium.

During the third stage of the process, the char is ground down into pulverized fuel and is blown into the hot gasification medium. The pulverized fuel and the gasification medium react endothermically in the gasification reactor and are converted into a raw synthesis gas. Once this has been treated in the appropriate manner, it can be used as a combustible gas for generating electricity, steam and heat or as a synthesis gas for producing SunDiesel.

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Written by Casey McConnell

March 31, 2008 at 6:09 am

Posted in Bioenergy

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