C. C. Okoye

Influence of Process Variables on Ilmenite Leaching in Binary Solution: Experimental Evaluation and Artificial Neural Network Modeling

C. C. Okoye, O. D. Onukwuli & C. F. Okey-Onyesolu · Journal of Materials Science Research and Reviews · 2026

This research is focused on evaluating the suitability of an unconventional binary lixiviant in the leaching of iron from ilmenite. Batch dissolution studies were conducted to examine the influence of some independent process variables: particle size, acid concentration, oxidant...

Open access Research Article 10.9734/jmsrr/2026/v9i2487

Utilization of Bifunctional Catalyst for Biodiesel Production from Palm Kernel Oil

C. C. Okoye, C. F. Okey-Onyesolu, O. E. Achugbu, E. N. Anekwe & C. Nebolisa · Journal of Materials Science Research and Reviews · 2023

Palm empty fruit bunch (PEFB) and Titanium oxide (TiO2) formulation was considered as a heterogeneous bifunctional catalyst for simultaneous esterification-transeterification of palm kernel oil (PKO) for biodiesel production. The bifunctional catalyst, Titanium oxide-Palm empty f...

Open access Research Article

Study of Isothermal Parameters for Adsorptive Uptake of Orange G Dye: An Overview of Non-linear Approach and Error Analysis

C. C. Okoye, C. F. Okey-Onyesolu, O. D. Onukwuli & I. C. Nwokedi · Journal of Materials Science Research and Reviews · 2023

In this research, effort to convert waste to wealth was explicated in the usage of agro waste materials of regenerative resource, almond endocarp (Terminalia catappa) and tamarind seeds (Dialium guineense), as precursors for activated carbon production through thermal and chemica...

Open access Research Article

Biodiesel Synthesis from Waste Cooking Oil Using Periwinkle Shells as Catalyst

C. C. Okoye, C. F. Okey-Onyesolu, I. C. Nwokedi, O. C. Eije & E. I. Asimobi · Journal of Energy Research and Reviews · 2020

Waste materials such as periwinkle shells (PS) and waste cooking oil (WCO) were considered as heterogeneous catalyst and renewable feedstock for biodiesel production respectively in line with the current search for alternatives of the environmentally unfriendly and gradually depl...

Open access Research Article 10.9734/jenrr/2020/v4i430135

Performance of Natural Coagulants in the Treatment of Vegetable Oil Industrial Effluent

C. F. Okey- Onyesolu, C. C. Okoye, C. N. Ude, O. D. Onukwuli & O. E. Achugbu · Asian Journal of Advanced Research and Reports · 2020

The potentials of natural coagulants (egg shell and fish scale) in the treatment of vegetable oil industrial wastewater were investigated. The coagulants were characterized to determine their chemical compositions, functional groups and morphology using proximate analysis method,...

Open access Research Article 10.9734/ajarr/2020/v12i130278

Deturbidization of Vegetable Oil Refinery Wastewater with Extracted Fish Scale Biomass via Coagulation Process; Non-linear Kinetics Studies

C. F. Okey-Onyesolu, O. D. Onukwuli & C. C. Okoye · Journal of Engineering Research and Reports · 2018

Chito-protein was successfully synthesized from fish scale. The ability of a coagulant (chito-protein) prepared from fish scale (FSC) to carry out an effective removal of pollutants from food processing industry (vegetable oil industry wastewater, VOW) was evaluated at bench scal...

Open access Research Article 10.9734/jerr/2018/v2i29943

Removal of Heavy Metal Pb(II) Ions from Aqueous Solution Using Pentaclethra Macrophylla and Tetracarpidium Conophorum Seed Shells Based Activated Carbons: Equilibrium, Kinetics and Thermodynmamics Studies

C. F. Okey-Onyesolu, O. D. Onukwuli, C. C. Okoye & I. C. Nwokedi · Current Journal of Applied Science and Technology · 2016

Biosorption potentials of activated carbons from pentaclethra Macrophylla (PMAC) and Tetracarpidium Conophorum (TCAC) seed shells for the removal of Pb(II) from aqueous solution were investigated. The adsorbents were characterized by Fourier transform infrared (FTIR) spectroscopy...

Open access Research Article 10.9734/BJAST/2016/27255