Water-Induced Corrosion Damage of Carbon Steel in Sulfolane

Julian Kubisztal, Bożena Łosiewicz, Paulina Dybał, Violetta Kozik and Andrzej Bąk
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Julian Kubisztal: Institute of Materials Engineering, University of Silesia in Katowice, 75 Pułku Piechoty 1A, 41-500 Chorzów, Poland
Bożena Łosiewicz: Institute of Materials Engineering, University of Silesia in Katowice, 75 Pułku Piechoty 1A, 41-500 Chorzów, Poland
Paulina Dybał: Institute of Chemistry, University of Silesia in Katowice, Szkolna 9, 40-007 Katowice, Poland
Violetta Kozik: Institute of Chemistry, University of Silesia in Katowice, Szkolna 9, 40-007 Katowice, Poland
Andrzej Bąk: Institute of Chemistry, University of Silesia in Katowice, Szkolna 9, 40-007 Katowice, Poland

Energies, 2020, vol. 13, issue 17, 1-14

Abstract: Sulfolane in contact with water and oxygen forms acidic (by-) products that are major factors in accelerating the corrosion of carbon/stainless steel. In consequence, water-induced corrosion damage can be a serious problem in industrial systems. Hence, the determination of the corrosion resistance of AISI 1010 steel immersed in sulfolane containing 0 to 6 vol.% water was the principal objective of the study. Evaluation of the corrosion resistance of steel electrodes was performed using a potentiodynamic technique and scanning Kelvin probe microscopy. It was observed that the corrosion products layer that formed on the surface of AISI 1010 steel partially protects it against corrosion in sulfolane with a water concentration in the range from 1 vol.% to 4 vol.%. Interestingly, amounts of water above 4 vol.% cause a break-down of the corrosion products layer and deteriorate the corrosion resistance of AISI 1010 steel as well. Moreover, the relationship between the fractal dimension, corrosion degree of the steel surface and water concentration in sulfolane was investigated. The fractal dimension was determined using 2D grayscale images of AISI 1010 steel registered through a scanning electron microscope. It was noticed that both the fractal dimension and the corrosion degree rose with the increased water concentration in sulfolane.

Keywords: AISI 1010 steel; sulfolane; corrosion resistance; fractal dimension; Kelvin probe (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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