U. G. Akpan

Advances and Development in Hybrid Polymer Composite: The Way Forward

J. A. Olowokere, U. G. Akpan, J. O. Okafor & S. M. Auta · Journal of Engineering Research and Reports · 2022

This paper presents the unique and outstanding properties of hybrid polymer composite (HPC).  The various classification of HPC based on the combination of matrices, fibres and fillers in use are brought to bear. The different techniques/methods employed in the production of hybr...

Open access Research Article 10.9734/jerr/2022/v23i12784

Effects of Process Variables and a Comparative Study of Methods for Transfer Oil Production from Spent Engine Oil

I. J. Ani, J. O. Okafor, M. A. Olutoye & U. G. Akpan · Current Journal of Applied Science and Technology · 2015

The influence of process variables on the production of transfer oil from spent engine oil (SEO) is presented in this paper. Various methods for SEO treatment are also highlighted. Process parameters like solvent type, solvent to oil ratio, extraction temperature, adsorbent to oi...

Open access Research Article 10.9734/BJAST/2015/17578

Optimization of Base Oil Regeneration from Spent Engine Oil via Solvent Extraction

I. J. Ani, J. O. Okafor, M. A. Olutoye & U. G. Akpan · Advances in Research · 2015

Regeneration of base oil from spent engine oil (SEO) has been studied and the parameters involved were optimized using Response Surface Methodology. A mathematical model was obtained for the dependent variables, base oil yield (Y1) and ash content (Y2) while effects of solvent to...

Open access Research Article 10.9734/AIR/2015/16795