Fig. 4: Van Krevelen diagrams for the products of char, bio-oil, and gas yielded from pyrolysis. The char diagrams are established based on the previous work by Li et al.73.

The investigated feedstock is lignocellulosic biomass, including corncob, rice husk, sawdust, wood, etc. The bio-oil diagrams are established based on the previous work by Zhang et al.36. The investigated feedstock is biomass, including seed, rice husk, algae, etc. The pyro-gas diagrams are established based on the previous work by Tang et al.74. The investigated feedstock is biomass, including agriculture and forest waste, algae, etc. VM volatile matter, FC fix carbon.