INFLUENCE OF BIOMASS TYPE AND TORREFACTION ON THE PHYSICAL INTEGRITY AND DENSITY OF BRIQUETTED SOLID BIOFUELS
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Resumo
This study explores the mechanical durability, apparent density, and impact resistance of torrefied and non-torrefied briquettes from Green Algae, MSW, Cassava Rhizomes, and Elephant Grass. Standard tests (ASTM E873, D1037, EN ISO 17831-2) evaluated physical strength and compaction. One-way ANOVA showed significant differences (p < 0.001) across biomass types and treatment conditions. Torrefaction often reduced durability and density, especially in Elephant Grass. MSW and Cassava Rhizomes maintained higher resistance under impact forces. The study’s novelty lies in comparing both conventional and underutilized feedstocks, notably algae and MSW, using an integrated mechanical assessment. It offers insights into how torrefaction affects different biomass types. This helps optimize briquette quality and resilience during handling and transport. Findings support the expansion of sustainable bioenergy feedstocks. They also validate and build upon earlier densified biomass research. Overall, the work advances solid biofuel performance understanding
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