TY - JOUR
T1 - Biochar from pellets: Influence of binders and pyrolysis temperature on physical properties of pyrolyzed pellets
AU - Joka yildiz, Magdalena
AU - Wurzer, Christian
AU - Robinson, Thomas
AU - Wietecha, Justyna
AU - Mašek, Ondřej
PY - 2025/4/1
Y1 - 2025/4/1
N2 - Pelletization of biomass materials enhances their density, making them suitable feedstocks for continuous pyrolysis reactors capable of co-processing diverse feedstocks in semi-homogeneous particles. The physical properties of resulting biochar are critical for evaluating its viability in storage, transportation, and automated handling systems, as well as final applications. This study investigates the effects of different biomass feedstocks and binders on the physical properties of biochar derived from pelletized biomass through slow pyrolysis at 550 °C and 700 °C. By incorporating spent coffee grounds and potato pulp as binders, we reveal a strong correlation between the bulk and particle densities of pyrolyzed pellets and their biomass precursors (R2 = 0.91 at 550 °C and R2 = 0.83 at 700 °C). This novel approach enables accurate estimations of biochar properties, essential for optimizing storage and transportation logistics in industrial applications. These insights offer significant promise for scalable biochar production, particularly from waste biomass in the circular economy context.
AB - Pelletization of biomass materials enhances their density, making them suitable feedstocks for continuous pyrolysis reactors capable of co-processing diverse feedstocks in semi-homogeneous particles. The physical properties of resulting biochar are critical for evaluating its viability in storage, transportation, and automated handling systems, as well as final applications. This study investigates the effects of different biomass feedstocks and binders on the physical properties of biochar derived from pelletized biomass through slow pyrolysis at 550 °C and 700 °C. By incorporating spent coffee grounds and potato pulp as binders, we reveal a strong correlation between the bulk and particle densities of pyrolyzed pellets and their biomass precursors (R2 = 0.91 at 550 °C and R2 = 0.83 at 700 °C). This novel approach enables accurate estimations of biochar properties, essential for optimizing storage and transportation logistics in industrial applications. These insights offer significant promise for scalable biochar production, particularly from waste biomass in the circular economy context.
U2 - 10.1016/j.susmat.2025.e01327
DO - 10.1016/j.susmat.2025.e01327
M3 - Article
SN - 2214-9937
VL - 43
JO - Sustainable Materials and Technologies
JF - Sustainable Materials and Technologies
M1 - e01327
ER -