Preparation of Activated Carbon From Waste Cooked Tea for Using as Chemical Dyes – Filter. The Eurasia Proceedings of Science, Technology, Engineering and Mathematics, [S. l.], v. 4, p. 15–20, 2018. Disponível em: https://epstem.net/index.php/epstem/article/view/142. Acesso em: 24 mar. 2026.