Modeling Wood Gasification in a Countercurrent Fixed-Bed Reactor

  title={Modeling Wood Gasification in a Countercurrent Fixed-Bed Reactor},
  author={Colomba Di Blasi},
A one-dimensional, unsteady mathematical model is presented of fixed-bed countercurrent wood gasifiers, which couples heat and mass transport with wood drying and devolatilization, char gasification, and combustion of both char and gas-phase species. The model is used to simulate the structure of the reaction fronts and the gasification behavior of a laboratory-scale plant as the reactor throughput and the air-to-wood (or char) weight ratio are varied. It is observed that a wide zone, acting… CONTINUE READING
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