Dr Opeyemi A. Oyewo
About me
Dr. Opeyemi A. Oyewo obtained her master's and PhD in Chemical Engineering at Tshwane University of Technology, South Africa. The most significant contribution of her research is on water and wastewater treatment using green nanomaterials. Dr Opeyemi is an author and co-author of over 70 research articles, book chapters and conference proceedings in reputable scientific Journals. She was able to supervise/co-supervise 28 B. Tech students, 9 master students and 4 PhD students, of which 37 have graduated and 4 are still pursuing their qualifications. She is a recognized reviewer for some reputable journals and research funding organizations. She is also a member of the UKRI International Development Peer Review College. She is currently a postdoctoral research fellow at the University of South Africa at the Department of Chemical and Materials Engineering, University of South Africa. Dr Oyewo is an NRF-rated researcher and has also received some local and international recognitions and awards.
Dr Oyewo has conducted research studies in interdisciplinary fields ranging from Chemical Engineering to Materials Science, organic and inorganic Chemistry. Dr Oyewo’s primary and secondary research areas are as follows:
• Synthesis and application of environmentally friendly nanoparticles, nanocomposites and their applications in water treatment using adsorption, coagulation, photocatalysis processes and membrane technology.
• Extraction of cellulose from biomass and its transformation into efficient water treatment products.
• Fabrication of ultra-filtration and ceramic membrane and their application in water treatment
Dr. Opeyemi A. Oyewo obtained her master's and PhD in Chemical Engineering at Tshwane University of Technology, South Africa. The most significant contribution of her research is on water and wastewater treatment using green nanomaterials. Dr Opeyemi is an author and co-author of over 70 research articles, book chapters and conference proceedings in reputable scientific Journals. She was able to supervise/co-supervise 28 B. Tech students, 9 master students and 4 PhD students, of which 37 have graduated and 4 are still pursuing their qualifications. She is a recognized reviewer for some reputable journals and research funding organizations. She is also a member of the UKRI International Development Peer Review College. She is currently a postdoctoral research fellow at the University of South Africa at the Department of Chemical and Materials Engineering, University of South Africa. Dr Oyewo is an NRF-rated researcher and has also received some local and international recognitions and awards.
Dr Oyewo has conducted research studies in interdisciplinary fields ranging from Chemical Engineering to Materials Science, organic and inorganic Chemistry. Dr Oyewo’s primary and secondary research areas are as follows:
• Synthesis and application of environmentally friendly nanoparticles, nanocomposites and their applications in water treatment using adsorption, coagulation, photocatalysis processes and membrane technology.
• Extraction of cellulose from biomass and its transformation into efficient water treatment products.
• Fabrication of ultra-filtration and ceramic membrane and their application in water treatment
Degrees:
(2) PT Ngueagni, A Mandjewil, JM Siewe, OA Oyewo, PN Fotsing.. Kinetics and thermodynamics of toluidine blue and methyl violet 2B adsorption onto modified moringa oleifera seed hulls composite, Discover Materials 5 (1), 1-17
(3) P Ravele, OC Olatunde, OA Oyewo, SS Makgato, DC Onwudiwe. Plant-based coagulants for wastewater treatment: Recent advances and applications, Cleaner Water, 100147
(4) AA Rasheed-Adeleke, OC Olatunde, NH Seheri, OA Oyewo, H Ferjani. Synthesis and photocatalytic performance of ZnFe2O4 on the degradation of tetracycline in water, Applied Physics A 131 (8), 1-9
(5) S Makgato, B Pappula, O Oyewo, T Yusuf, N Kumar, D Onwudiwe. Kinetic Analysis of Anaerobic Coal Desulfurization: Impact of Particle Size on Sulfur, Ash and Calorific Value, Results in Engineering, 106407
(6) AA Rasheed-Adeleke, TL Yusuf, OE Fayemi, NH Seheri, OA Oyewo. Study of structural, optical, and electrochemical properties of Zn-doped hematite nanoparticles, Inorganic Chemistry Communications, 115138
(7) MP Ravele, OC Olatunde, OA Oyewo, DC Onwudiwe. Photocatalytic removal of ibuprofen from water using CuO/g-C3N4 nanocomposite, Next Materials 8, 100753, 2
(8) L Sawunyama, OA Oyewo, SS Makgato, MF Bopape, DC Onwudiwe, TiO2–ZnO functionalized low-cost ceramic membranes from coal fly ash for the removal of tetracycline from water under visible light, Discover Nano 20 (1), 14
(9) Opeyemi A. Oyewo, Seshibe Makgato, Hela Ferjani, Chahra Amairia, Damian C. Onwudiwe, Sahar Abdalla. 1D α-FeO(OH) and its transformation to α-Fe2O3 nanorods: Synthesis and photocatalytic evaluation using bromocresol green, INOCHE.
(10) L Sawunyama, OA Oyewo, SS Makgato, MF Bopape, DC Onwudiwe. TiO2–ZnO functionalized low-cost ceramic membranes from coal fly ash to remove tetracycline from water under visible light. Discover Nano
2024
(11) Opeyemi A. Oyewo, Seshibe S. Makgato, Damian C. Onwudiwe. Myriophyllum Sibiricum Plant-Based Zinc Oxide Nanoparticles for Photocatalytic Reduction of Hexavalent Chromium
(12) Fabrication and characterization of low-cost ceramic membranes from coal fly ash and natural sand. L Sawunyama, OA Oyewo, MF Bopape, DC Onwudiwe, Sustainable Chemistry for the Environment
(13) OA Oyewo, AM Muliwa, SS Makgato, DC Onwudiwe, Research progress on green adsorption process for water pollution control applications. , Hybrid Advances,
(14) Albert Mandjewil, Patrick T Ngueagni, Patrick N Fotsing, Julien Vieillard, Ngoungoure M Fadimatou, Opeyemi A Oyewo, Seshibe S Makgato, Damian C Onwudiwe, Ashmore Mawire, Emmanuel D Woumfo. Facile Preparation of Cross-Linked Moringa oleifera Seed Hulls Powder/Hydroxyapatite Framework Composite for Efficient Removal of Toluidine Blue and Methyl Violet 2B from Water. Journal of Inorganic and Organometallic Polymers and Materials,
(15) L Sawunyama, TO Ajiboye, OA Oyewo, DC Onwudiwe, Ceramic-polymer composite membranes: Synthesis methods and environmental applications, Ceramics International 50 (3), 5067-5079
(16) Hanan Alhussain, Hela Ferjani, Opeyemi A. Oyewo, Seshibe Makgato, Damian C. Onwudiwe. Photocatalytic degradation of methyl orange using CuO/Al2O3 nanocomposite obtained by microwave-assisted thermal decomposition route. Inorganic Chemistry Communications.
(17) Sarah C. Motshekga, Opeyemi A. Oyewo, Seshibe S. Makgato. Recent and prospects of synthesis and application of metal-organic frameworks (MOFs) in water treatment: A review
(18) Marwa Yousry A. Mohamed, Hela Ferjani, Opeyemi A. Oyewo, Oluwasayo E. Ogunjinmi, Seham M. Hamed, Chahra Amairia, Seshibe Makgato, Damian C. Onwudiwe. Monoclinic α-Bi2O3 nanorods by microwave-assisted synthesis: Photocatalytic and antioxidant properties. Inorganic Chemistry Communications
(19) Damian C. Onwudiwe, Olalekan C. Olatunde, Violet M. Nkwe, Opeyemi A. Oyewo, Anthony M. Muliwa, Hela Ferjani, Tarek A. Yousef. Synthesis of p-n GCN/CuBi2O4 heterostructures for enhanced visible light photocatalysis. Inorganic Chemistry Communications.
(20) Lawrence Sawunyama, Olalekan C. Olatunde, Opeyemi A. Oyewo c Mokgadi F. Bopape d, Damian C. Onwudiwe. Application of coal fly ash based ceramic membranes in wastewater treatment: A sustainable alternative to commercial materials. Heliyon
(21) Hela Ferjani, Sahar Abdalla, Opeyemi A. Oyewo, Damian C. Onwudiwe. Facile synthesis of carbon dots by the hydrothermal carbonization of avocado peels and evaluation of the photocatalytic property. Inorganic Chemistry Communication
(22) Ayanwusi, OR, Abdulkareem, SA., Emmanuel, SS, Iwuozor, KO, Emenike, EC, Oyewo OA, Adeniyi AG 2024. Impact of carbonization reactor compartment size on groundnut (Arachis hypogaea) shell biochar properties. International Journal of Chemical Reactor Engineering.
2023
(23) Anthony M Muliwa, Opeyemi A. Oyewo, Arjun Maity. Recent progress on the removal of aqueous mercury by carbon-based adsorbents: A Review. Inorganic Chemistry Communication
(24) Lawrence Sawunyama a, Timothy O. Ajiboye a,c, Opeyemi Oyewo d, Damian C. Onwudiwe. Ceramic-polymer composite membranes: Synthesis methods and environmental applications. Ceramics International
(25) Opeyemi A. Oyewo. Porous defect-modified graphitic carbon nitride as an effective adsorbent for the removal of Hg from surface water. Chemistry Africa, Published, 2023
(26) Lawrence Saunyama, Opeyemi A. Oyewo, Onwudiwe, D.C., Seshibe S. Makgato Photocatalytic degradation of tetracycline using surface defective black TiO2-ZnO heterojunction photocatalyst under visible light, Heliyon, Published, 2023
(27) Damian Onwudiwe, Opeyemi Oyewo, Naledi Seheri, Mathato Motaung, Seshibe S Makgato, Sarah Motshekga, Synthesis of CuInS2 nanoparticles and application in the photocatalytic degradation of tetracycline, JPAP, Published,, 2023
(28) Damian C. Onwudiwe*, 1,2Nombulelo Gobile, 3Opeyemi A. Oyewo, Seshibe S Makgato, Photocatalytic reduction of hexavalent chromium using Zn2SnO4-ZnO modified g-C3N4 composite, Results in Engineering, Published,, 2023
(29) Opeyemi A Oyewo *, Seshibe S Makgato, Photocatalytic reduction of Cr(VI) and Pb(II) with biogenic synthesized copper oxide nanoparticles using extract of Myriophyllum spicatum plant, J Multidisciplinary journal, 2023, Published,