Konan Roger Koffi

Synthesis and Evaluation of the Photocatalytic Performance of a ZnO-Graphite Composite for the Degradation of Ciprofloxacin under Sunlight

Lamine Karamoko Koroma, Aimé Serge Ello, Donourou Diabate, Konan Roger Koffi & Benjamin Diby Ossonon · Chemical Science International Journal · 2026

Pharmaceutical pollutants, particularly antibiotics such as ciprofloxacin, have emerged as persistent environmental contaminants due to their widespread use and incomplete removal by conventional wastewater treatment methods. Heterogeneous photocatalysis using semiconductor-based...

Open access Research Article 10.9734/CSJI/2026/v35i21030

Synthesis of Magnetic Iron Oxide Fe3O4/α-Fe2O3 for the Adsorptive Removal of Cadmium from Aqueous Solution

Koua Moro, Aimé Serge Ello, Djedjess Essoh Jules-César Meledge & Konan Roger Koffi · Chemical Science International Journal · 2022

Magnetic iron oxide nanoparticles were successfully synthesized by co-precipitation method. The magnetite and mixture of magnetite/ hematite iron oxide were obtained and characterized by X-ray diffraction, scanning electron microscopy, nitrogen adsorption/desorption isotherms and...

Open access Research Article 10.9734/CSJI/2022/v31i230279