Modeling product distribution of top-lit updraft gasification

A kinetic model for predicting biochar, producer gas, and tar formations of top-lit updraft (TLUD) gasification was developed. The three main zones within the TLUD gasifier, pyrolysis, incomplete combustion, reduction reaction zones, were incorporated into sequentially solved. Validated with experimental data, found capable biochar yield on pine woodchips at varying airflow rates, biomass moisture contents, compactness. However, when particle size varied, underestimated yield. also accurately predicted higher heating value gas that varied from 3.45 to 3.98 MJ/m3 compared 3.61 3.67 results. qualitatively content in conditions. accurate quantification generation not achieved.