Effect of Thermal Treatment on Functional Group Transformation of Empty Fruit Bunch (EFB) Biomass at 150–200°C: An FTIR Spectroscopic Analysis. International Journal of Engineering and Technology (IJET), [S. l.], v. 2, n. 1, p. 158–167, 2025. Disponível em: https://e-journal.scholar-publishing.org/index.php/ijet/article/view/95. Acesso em: 8 sep. 2025.