Table 1: Major chemical gasification reactions.

Reaction no.Reaction schemeChemical reaction

R 1(a)C + O2 → CO2 Oxidation reactions
R 1(b)C + O2 → CO
R 1(c)CO + O2 → CO2
R 2C + CO2 2COBoudouard reaction
R 3C + H2O  CO + H2Water-gas reaction
R 4C + 2H2 CH4Methanation reaction
R 5CO + H2O  CO2 + H2 Water-gas shift reaction
R 6CH4 + H2O  H2 + COMethane reforming reaction