Optimization of Photocatalytic Degradation of Safranin O under UV and Visible Light using ZnFe2O4 Coated Graphited Sand in Batch and Continuous Systems Hussein A. Khalaf*, Mariam Essam, Emad A, Matter, Gada Esmail Abd Elgawad, 10.57647/j.ijc.2025.1501.10 XML Requires Subscription PDF downloads: 394