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Reducing corrosion attacks on carbon steel A285 grade C in petroleum storage tanks by forming a thin film of nano-SiO2 from sand

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Abstract

Crude oil storage tanks usually undergo corrosion problems due to the activity of sulfur compounds, water content, and salts in crude oil. In this study, the corrosion resistance of carbon steel A285 grade C was improved by adding SiO2 nanoparticles (NPs) as a corrosion inhibitor. The SiO2 NPs were extracted from sand (from the city of Al-Ramadi in western Iraq) using a combined physical and chemical method. The present work investigated the effect of various additions of SiO2 NPs as a corrosion inhibitor (i.e., 0.2, 0.4, 0.6, 0.8, and 1 g/L) on the corrosion resistance of carbon steel A285 grade C. The corrosion rate was evaluated by applying potentiostatic technique under a 1 M concentration of sulfuric acid as the corrosion medium. The results indicated the formation of a thin film of SiO2 NPs adhering to the surface of the carbon steel and working as a corrosion inhibitor. This film will protect the metal from corrosion by preventing any corrosion activity. Moreover, the results showed that the corrosion rate reduced greatly by increasing the amount of nano-addition. Furthermore, it was found that the corrosion resistance was enhanced dramatically with increasing nano-additions. An optimal corrosion inhibition of more than a 91.6% was achieved with a nano-addition of 1 g/L for the immersion time of 10 h. Additionally, the corrosion inhibition in this process with the eco-friendly material showed a high protection rate and low operating cost.

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The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.

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Acknowledgements

The authors are thankful to the staff of the Design and Industrial Production Research Unit/Department of Chemical Engineering/University of Technology- Iraq for their scientific support of this project.

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Correspondence to Khalid A. Sukkar.

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Abdulhussein, B.A., Ali, A.M. & Sukkar, K.A. Reducing corrosion attacks on carbon steel A285 grade C in petroleum storage tanks by forming a thin film of nano-SiO2 from sand. Chem. Pap. 77, 1533–1543 (2023). https://doi.org/10.1007/s11696-022-02571-9

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  • DOI: https://doi.org/10.1007/s11696-022-02571-9

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