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This work aims to study the transition of the chemical form of the alkali minerals during pyrolysis under a CO2 atmosphere, and its effect on char oxidation. Lignin containing a high concentration of Na was heated under a CO2 or Ar atmosphere, and the chemical form of Na in both chars was characterized using water extraction and capillary electrophoresis. These chars were subsequently gasified in...
This study experimentally investigated intraparticle secondary reactions of tar during the pyrolysis of woody biomass. For this, pyrolysis products (gas, char, and tar) derived from Japanese cypress sawdust (particle size<1mm) and Japanese cypress wood cylinders (8mm in diameter and 9mm long) were compared. The samples were pyrolyzed in a thermobalance under argon atmosphere. The final reactor...
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