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Lignin is a heterogeneous phenolic polymer that gives rigidity to plant cell walls and accounts for 15-40% of the dry weight of biomass [1]. Natural lignocellulosic materials have low solubility and processability, which limits their effective practical application [2]. Modern research on lignin processing focuses on depolymerization processes followed by conversion of the resulting monomers either by hydroprocessing or oxidation. Oxidative conversion of lignin is carried out using biotechnological methods (enzyme...

As part of this study, a comprehensive thermogravimetric analysis of biomass oxidation was conducted to study its thermal decomposition and determine its kinetic characteristics in an oxidative environment. This work is of great importance for the development of sustainable energy, the optimization of combustion and co-combustion processes, and the minimization of environmental damage through more efficient use of biomass. The experiments involved measuring the mass change of biomass samples (sawdust from hardwood...