X-ray Diffraction and Fourier Transform Analysis of Corrosive Components of Crude Oils Used by Kaduna Refinery for Corrosion Control
Keywords:Crude oils, Corrosivity, Kaduna refinery, Variables, Strategic information
Kaduna refinery is a critical segment of the Nigerian economy but is subject to costly corrosion problems. The refinery obtains crude oils from various sources and processes them under peculiar conditions into essential chemical products. This research was undertaken in order to gain insight into the component proportions of the refinery’s employed crude oils that contribute to corrosion problems. The component proportions of a homogeneous admixture of the employed crudes at the refinery were analyzed using XRD and FTIR techniques. Obtained results and analysis indicate that crude oils employed at the refinery are generally significantly corrosive to most materials due to their appreciable total component contents of sulfur, carbon, idrialite, refikite, flagstaffite, and silicon dioxide up to 35%, which can be corrosive per se or can undergo reactions, especially at higher refining temperatures, to produce abundant quantities of corrosion agents that include acids, chlorides, water, carbon dioxide, hydrogen sulfide, etc.
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