Enhanced bio-oil production and fatty acid extraction from pyrolyzed spent coffee ground using Box-Behnken design optimization . International Journal of Chemical and Process Engineering Research, [S. l.], v. 12, n. 1, p. 12–28, 2025. DOI: 10.18488/65.v12i1.4681. Disponível em: https://archive.conscientiabeam.com/index.php/65/article/view/4681. Acesso em: 22 jul. 2026.