Effect of chemical constituents on the energetic and physical properties of wood from forestry species
2024
Elder Eloy | Cristiane Pedrazzi | Rodrigo Coldebella | Tauana de Souza Mangini | Rômulo Trevisan | Braulio Otomar Caron | Alec Duwe dos Santos
ABSTRACT: Wood is an organic material and its energetic and physical properties are related to its chemical and anatomical constituents. This study evaluated the influence of the chemical constituents on the energetic and physical properties of Parapiptadeniarigida(Benth.) Brenan, Peltophorumdubium(Spreng.) Taub.,Eucalyptus grandisW. Hill × Eucalyptus urophyllaS.T. Blake (hybrid), and Schizolobiumparahyba(Vell.) Blake an agroforestry system. Five trees of each species aged 9 years were sampled. Samples were collected at a diameter at breast height (DBH) of 1.30 m above the ground and were used to analyze the chemical, energetic, and physical properties of the wood. Chemical properties influence the energetic and physical properties of wood. We reported that the higher the lignin content in the wood, the greater the correlation with the fixed carbon content (0.76) and gross calorific value (0.65). High values of fixed carbon content increased the basic density of the wood (0.80). In contrast, the lower the lignin content in the wood, the greater the correlation with the extractive content (-0.76) and volatile material content (-0.74), and the higher the volatile material content, the lower the fixed carbon content (-0.98) and gross calorific value (-0.74).
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