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O. J. Okunola

Publications (4)

Geochemical Partitioning of Heavy Metals in Roadside Surface Soils of Different Grain Size along Major Roads in Kano Metropolis, Nigeria

O. J. Okunola, A. Uzairu, C. E. Gimba & J. A. Kagbu · Current Journal of Applied Science and Technology · 2011

This study evaluates the effect of grain size on levels of metal in roadside surface soils collected along high traffic roads in Kano Metropolis as a consequence of increase in automobile over the years. Composite surface soil samples were collected along ten different roads. Sam...

Open access Research Article 10.9734/BJAST/2011/184

Biodiesel Produced from Azadirachta indica and Hevea brasiliensis Seeds Oil: Effect of Additives on Cold Flow Properties

C. S. Ezeanyanaso, O. J. Okunola, V. O. Ajibola & E. B. Agbaji · International Research Journal of Pure and Applied Chemistry · 2015

This study is aimed to evaluate the effect of additives on cold flow properties of biodiesel fuel obtained from Azadirachta indica and Hevea brasiliensis, readily available seed oil in Nigeria. The seed oils were converted to biodiesels via transesterification and additives keros...

Open access Research Article 10.9734/IRJPAC/2015/16327

Assessment of Cd and Cr Bioavailability in Sediment of River Challawa, Nigeria

A. Babale, A. Uzairu, J. A. Kagbu, O. J. Okunola & H. Abba · Current Journal of Applied Science and Technology · 2011

Sediment quality assessment are a scientific tools that synthesize information regarding the relationships between the sediment concentrations of heavy metals and any biological effects resulting from exposure to these heavy metals. A field study was conducted to determine the ph...

Open access Research Article 10.9734/BJAST/2011/136

Valorization of Biodiesel Production: Focus on Crude Glycerine Refining/Purification

O. S. Muniru, C. S. Ezeanyanaso, T. K. Fagbemigun, E. U. Akubueze, A. O. Oyewole, O. J. Okunola, G. Asieba, A. O. Shifatu, C. C. Igwe & G. N. Elemo · Journal of Scientific Research and Reports · 2016

Biodiesel production in Nigeria is gaining more level of awareness but the cost of production is still on the high side. This is largely due to the cost of raw materials, mainly vegetable oil or fat. Fortunately, a very efficient way to reduce this cost and increase profitability...

Open access Research Article 10.9734/JSRR/2016/27982