Vol. 24, No. 3 (2025), IA25694 https://doi.org/10.24275/rmiq/IA25694

Chemical, physical, and energetic characterization of biochar produced via sugarcane bagasse pyrolysis

 

Authors

O. Sánchez-Castillo, M.G. Vizcarra-Mendoza, C. Martínez-Vera, S.A. Gómez-Torres, E. Rojas-García

Abstract

The objective of this work is to study the production of biochar from the pyrolysis of sugar cane bagasse with the purpose of determining the effect of pyrolysis temperature on the biochar properties. The results could be relevant for choosing the operation conditions according to the purpose for which the biochar is produced. For this study, a pyrolizer was designed and constructed for carrying out the experiments. The parameters analyzed were the inert gas flow (N2), the effect of the bagasse particle size, and the temperature. Biochar was produced at four temperatures: 300, 400, 500, and 600°C. The morphological and physical-chemical characteristics of the biochar produced were determined by several analytical techniques: elemental chemical analysis, N2 adsorption, scanning electronic microscopy, X-ray diffraction, and infrared and Raman spectroscopies. The effect of the operation temperature on the mass, energetic, and fixed carbon yields, as well as on the lower heating value of the biochar obtained is analyzed. In addition, the present study reports the relationship between the order degree of the carbon structures in biochar and the pyrolysis temperature.

Keywords

Sugarcane bagasse; pyrolysis; biochar; energy yield; low heating value.

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