da Silva, Matheus Antônio, Fertonani Iêda Aparecida Pastre, and Ribeiro Clóvis Augusto. “Acid-Activated Biochar From Pinus Elliottii Pine Cone: Production, Characterization and High-Efficiency Adsorption of Methylene Blue ”. Scientific Insights 2, no. 1 (January 1, 2026): 001. Accessed June 7, 2026. https://ojs.achpub.com/SI/article/view/59.