“…In general, within the gasification process,, a series of reactions, such as cracking, reforming, condensation, polymerization, oxidation and gasification reactions, take place in the presence of air, steam and CO 2 [16,17]. The final products of the entire biomass gasification process contain synthetic gas (such as H 2 , CO, CO 2 and CH 4 ), condensable tar, and solid char [18].…”