Adsorption of Salicylic and Sulfosalicylic Acid onto Powdered Activated Carbon prepared from Rice and Coffee Husks. International Journal of Current Engineering and Technology, [S. l.], v. 5, n. 3, p. 1641–1652, 2015. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/2177. Acesso em: 12 apr. 2026.