Research Article
Gas-to-Biochar Byproducts of Pyrolysis and Gasification of Star Anise Biomass
Figure 9
The SEM images of the biochar prepared under the following conditions: (a) N2-300, (b) N2-500, (c) N2-700, (d) CO2-300, (e) CO2-500, (f) CO2-700 (2 k), (a-1) N2-300, (b-1) N2-500, (c-1) N2-700, (d-1) CO2-300, (e-1) CO2-500, and (f-1) CO2-700 (5 k).