December 2011
Social aspects of engineering
This article discusses the relationships and linkages between the extended engineering profession and other intangible facets of human society. While describing how basic human needs, which engineers were used to satisfy, had transformed in the 21st century into a milieu of almost unlimited desires, the author emphasizes the new challenges engineering faces today. One of outcomes resulting from this change of...
December 2011
The effect of mesophilic and thermophilic temperature on bonny light crude oil degradation in Niger Delta Area of Nigeria using Pseudomonas sp.
In this study the effect of mesophilic and thermophilic temperature on Bonny light crude oil degradation was tested on the freshwater and salt water media. To this end the pH, optical density, refractor index, specific gravity, density, microbial population and viscosity were determined using experiment analysis. Experiments were performed using environmentally relevant concentrations of the test substances...
December 2011
Modeling the rate of biocorrosion and the effects of redox-reactions of metals in water environment
Laboratory studies were conducted to assess the effectiveness of biocorrosion through oxygen diffusion in zinc metal in water environment. The present investigation was undertaken to determine the corrosion rate of zinc metal in water environment with respect to Plank-Nernst Equation modified to monitor and predict the biocorrosion rate through oxygen diffusion which resulted to biofilm formation. The...
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