Analysis predicts calorific value from chemical composition of biomass, suggesting efficient biofuel use.
The aim of this study was to predict the calorific value of plant biomass based on its chemical composition. Lignin and ash contents, as well as elemental composition (C, H, N, O), were analyzed in biomass derived from tobacco, maize, and sunflower stalks. Using the obtained parameters, empirical equations were applied to estimate the calorific (heating) value of the biomass. The use of chemical indicators enables a rapid and reliable assessment of biomass energy potential without the need for direct calorimetric measurements. The results indicate that lignin and ash contents have a significant influence on calorific value, while elemental composition allows for more precise quantification. The obtained data provides a basis for optimizing the utilization of plant biomass in biofuel production and thermal energy generation, thereby contributing to the sustainable use of renewable energy sources.
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Kulić et al. (2026) studied this question.
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