Temperature profiles and weight loss in the thermal decomposition of large spherical wood particles

摘要: The thermal decomposition of relatively large particles pine wood has been studied. By use spherical different sizes (2-5.6 cm in diameter), the experimental solid conversion values and temperature at points are analyzed for heating rates system. results have compared with those calculated a simple model, which involves solution heat mass balances kinetic equations, using as boundary conditions. A good agreement obtained up to 4 diameter. For larger transfer resistance inside existence secondary reactions may acquire an appreciable importance