Thermodynamic Model for Updraft Gasifier with External Recirculation of Pyrolysis Gas

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Combustible gas</td><td class="align_center">Model  </td><td class="align_center">Experiment</td><td class="align_center">Error </td></tr><tr class="thead"><td class="align_center">(% mol)</td><td class="align_center">(% mol)</td><td class="align_center">(%)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">CO </td><td class="align_center">12.8</td><td class="align_center">14.4</td><td class="align_center">11.1</td></tr><tr><td class="align_left">H<sub>2</sub></td><td class="align_center">11.5</td><td class="align_center">14.93</td><td class="align_center">22.9</td></tr><tr><td class="align_left">CH<sub>4</sub></td><td class="align_center">1.6</td><td class="align_center">3.49</td><td class="align_center">54.1</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Comparison between models and experiments for gas composition in ER 0.3 and fraction of pyrolysis gas recirculation of 0.5.

Journal of Combustion

tab5

Table 5

Table 5: Thermodynamic Model for Updraft Gasifier with External Recirculation of Pyrolysis Gas 