Fig. 4From: Optimizing pyrolysis parameters and product analysis of a fluidized bed pilot plant for Leucaena leucocephala biomassVan Krevelen diagram of biochar and raw materials atomic H/C vs. O/C ratios (filled upward triangle L. leucocephala (own study), filled circle beech, filled square pine, filled downward triangle others bibliography biochar) [63,64,65,66]Back to article page