An equilibrium modelling and a parametric study of gasification process

In the present work, a fixed bed gasifier is modelled using a commercially available software called 'cycle-tempo'. The gasifier performance is studied for varying steam to fuel ratio (SFR), equivalence ratio (ER), gasification operating temperature, moisture content of feedstock. The addition of steam as a gasifying agent along with air improves the H2/CO ratio, thus aiding in the hydrogen enrichment of syngas. Considering the combined effects of ER and SFR, the H2 constituent in syngas rises at lower ER and higher SFR values. The heating value of syngas tends to rise for lower ER and SFR values.

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