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Chijioke Elijah Onu

Publications (7)

Simultaneous Adsorptive Desulphurization and Denitrogenation in Crude Tire Pyrolysis Oil Refining

Chijioke Elijah Onu, Emeka Michael Madiebo, Fortune Chinwoke Aneke, Chiamaka Peace Onu & Paschal Enyinnaya Ohale · Asian Journal of Applied Chemistry Research · 2025

Pyrolytic oil usually contains high nitrogen and sulphur content which reduces its efficiency in addition to posing crucial environmental and health concerns. Hence the need for desulphurization and denitrogenation of pyrolytic oil obtained from waste tire for efficient applicati...

Open access Research Article 10.9734/ajacr/2025/v16i1320

Exploring the Additive Effects of Aluminium and Potassium Sulfates in Enhancing the Charge Cycle of Lead Acid Batteries

Chijioke Elijah Onu, Nnabundo Nwabunwane Musei & Philomena Kanwulia Igbokwe · Asian Journal of Chemical Sciences · 2021

The adoption of aluminium sulfate and potassium sulfate as electrolyte additives were investigated to determine the possibility of enhancing the charge cycle of 2V/ 20AH lead acid battery with reference to the conventional dilute sulfuric acid electrolyte. The duration and effici...

Open access Research Article 10.9734/ajocs/2021/v10i319092

Anaerobic Co-Digestion of Kitchen and Animal Wastes at Varying Mixing Ratios

Chinenyenwa Nkeiruka Nweke, Chijioke Elijah Onu, Charles Ebuka Chinyelu & Chisom Chidinma Okoye · Journal of Materials Science Research and Reviews · 2024

The treatments of potato:chicken dung (POP:CHD), yam peel:cow dung (YP:CD) and unripe plantain peel:cow dung (PP:CD) wastes by anaerobic co-digestion were studied. This study was carried out to examine the attractiveness of these wastes at various mixing ratios as a source of bio...

Open access Research Article

Application of ANN and RSM Techniques in Optimal Parameter Evaluation for Turbidity Removal from Abattoir Effluent using Valorized Chicken Bone Coagulant

Frankly Chukwudi Chime, Paschal Enyinnaya Ohale, Chijioke Elijah Onu & Nonye Jennifer Ohale · Journal of Engineering Research and Reports · 2023

Chicken bone coagulant (CBC) containing high grade hydroxyapatite (HPA) has been applied in the coag-flocculation of abattoir effluent. The influence of process variables (pH, initial concentration, dosage, Temperature, and settling time) on the effluent final turbidity was inves...

Open access Research Article 10.9734/jerr/2023/v24i1795

Optimization of Acid Activated Ngbo Clay Catalysts in Esterification Reaction Using Response Surface Methodology

Veronica Nnenna Nwobasi, Philomena K. Igbokwe & Chijioke Elijah Onu · Asian Journal of Physical and Chemical Sciences · 2022

In this study, Box-Behnken”s Response Surface Methodology (RSM) was applied to study the esterification reaction effectiveness of acid activated Ngbo clay catalyst. The esterification were monitored based on the process conditions of temperature, duration, amount of reactant, cat...

Open access Research Article 10.9734/ajopacs/2022/v10i130147

Enzymatic Hydrolysis of Blend of Lignicellulosic Materials for Reducing Sugar Production: Screening of Significant Process Factors

Bathlomew Chukwudi Amadi, Philomena Kañulia Igbokwe & Chijioke Elijah Onu · Asian Journal of Chemical Sciences · 2020

The screening of the process parameters on the enzymatic hydrolysis of a blend of two lignocellulosic materials - corn cob (CC) and deseeded fluted pumpkin fruit (DFPF) using Trichoderma reesei was the focus of the present study. Four process parameters – time, temperature, subst...

Open access Research Article 10.9734/ajocs/2020/v8i419048

Structural, Optical, Magnetic and Electrical Properties of Zinc Oxide Doped with Iron: A Review

Chiamaka Peace Onu, Azubuike Josiah Ekpunobi, Adaora Lynda Ozobialu, Chiedozie Emmanuel Okafor, Diemiruaye Mimi Jeroh, Chukwudi Benjamin Muomeliri & Chijioke Elijah Onu · Asian Journal of Physical and Chemical Sciences · 2024

This study reviewed the structural, optical, magnetic and electrical properties of zinc oxide (ZnO) nano-particles doped with iron relative to zinc oxide. ZnO is an excellent nanomaterial in semiconductor industries because of its properties such as low cost, high stability and h...

Open access Research Article 10.9734/ajopacs/2024/v12i4234