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Omotayo Sanni

Leading speaker for chemical engineering conference - Omotayo Sanni

Title: Inhibitive Tendency of Zinc Gluconate for Enginerring Materials In Corrosive Environments

Omotayo Sanni

Tshwane University of Technology, South Africa


Omotayo is currently a doctoral student in Chemical Engineering from the Department of Chemical, Metallurgical and Materials Engineering, Tshwane University of Technology, Pretoria, South Africa. She holds B. Tech. (Chemical Engineering) and M. Tech. Degrees in Chemical Engineering. My research work is on corrosion inhibition of metallic materials (Steels and aluminium alloy) for Enhanced Service Performance. My research experience has culminated in publications of over 10 articles in peer-reviewed Journals and oral presentations in both local and international conferences.


Corrosion phenomena, control and prevention are unavoidable major scientific issues that must be addressed daily as far as there are increasing needs of metallic materials in all facets of technological development. Corrosion of engineering materials is a huge problem in industries designed for long-term operations and this causes significant economic loss. The cost due to corrosion does not only increase rapidly, the quality of the products and the efficiency of the plants is also reduced. The highest segments of the cost of corrosion are associated with utilities, transportation and infrastructure. Attempt at making novel contribution to this growing research area has necessitated the present investigation. The research on corrosion inhibition is ongoing due to this fact this research work focuses on the effectiveness of  zinc gluconate as corrosion inhibitors for engineering material in 0.5 M H2SO4 and 3.5% NaCl environments. Weight loss and potentiodynamic polarization techniques were used to examine the rate of deterioration. The effect of zinc gluconate on the studied metals surface in the test media was studied using high resolution scanning electron microscope equipped with energy dispersive spectroscopy (HR-SEM/EDS). Studies on surface characterization, adsorption mechanisms and electrochemical analysis of corroded materials were also carried out.

Audience Take away:

  • Effective industrial operations and cost savings. The economic impact and problem resulting from material degradation has drawn strong attention from scientist and engineers.
  • Elimination of material loss and equipment damaged in the industries. The applications of metallic materials in sulphuric acid and chloride environments result in severe corrosion on the metals most especially uniform corrosion, hence the need for cost effective corrosion control solutions. 
  • Minimizing cost of maintenance in the industries. This involves corrosion maintenance, inspection, repairs, replacement, and productivity loss due to downtime.