Efficient removal of Congo Red Dye from water using walnut shells activated carbon/MgO-Fe2O3 adsorbent: Effective Congo Red Dye removal from water sources using walnut shell activated carbon. Zoo Botanica, [S. l.], v. 2, n. 2, p. 85–93, 2025. DOI: 10.55627/zoobotanica.002.02.0662. Disponível em: https://rootspress.org/journals/zoobotanica/article/view/662. Acesso em: 23 apr. 2026.