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O. D. Onukwuli

Publications (4)

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

Biogas Production from Waste By-products of Ethanol Production: 3. Modeling of Gas Yield with Time

A. U. Ofoefule, U. C. Okoro, O. D. Onukwuli & C. N. Anyanwu · Physical Science International Journal · 2013

The modeling of gas yield with time for the biogas production from waste by-products of ethanol production process was studied. The wastes from the processing of four starch feedstock and from their fermentation wort were utilized for the biogas production studies. The wastes con...

Open access Research Article

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

Biodiesel Production from Tigernut (Cyperus esculentus) Oil and Characterization of its Blend with Petro-diesel

A. U. Ofoefule, C. N. Ibeto, U. C. Okoro & O. D. Onukwuli · Physical Science International Journal · 2013

This study was carried out to assess the fuel quality of biodiesel produced from tigernut (Cyperus esculentus) oil and its blends with petro- diesel. The oil was extracted from the tigernut by solvent extraction method using petroleum ether. The oil was trans-esterified using pot...

Open access Research Article