Competitive Adsorption of Crystal Violet and Safranin onto Black Tea Waste for Wastewater Treatment. Chemical Engineering Research Bulletin, [S. l.], v. 24, n. 1, p. 95–104, 2026. DOI: 10.3329/cerb.v24i1.78489. Disponível em: https://www.banglajol.info/index.php/CERB/article/view/78489. Acesso em: 25 jun. 2026.