Z. Liu, M. Hughes, Y. Tong et al.
Energy 239 (2022) 121925
Fig. 1. Biochar and mineral catalysts affect mass yields and shift py-gas composition. The effect of biochar and mineral catalysts at different pyrolysis temperatures on the product yields (a), and the effect on py-gas composition (b). Catalyst/biosolids mass ratio was constant at 0.33 and the py-gas composition was calculated on an inert carrier-gas-free basis. 0B denotes control without catalyst or sand at 500 C downstream; 0S denotes control with sand in place of catalyst. Error bars represent one standard deviation of triplicate experiments; some error bars are small and not visible.
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