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51318-11093-Comparison of Inhibited Erosion-Corrosion with Calcium Carbonate Particles versus Sand

Data were collected to study the effect of an imidazoline based inhibitor on reducing CO2 corrosion of low carbon steel in erosive environments. Lower erosion-corrosion material loss was measured with inhibitor than with the protective iron carbonate scale.

Product Number: 51318-11093-SG
Author: Anass S. Nassef / Kenneth P. Roberts / Edmund F. Rybicki / Michael W. Keller / Erin V. Iski /
Publication Date: 2018
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Erosion-Corrosion behavior of carbon steel material was investigated under iron carbonate scale forming conditions in a CO2 saturated environment as it was impinged by CaCO3 and sand particles.

Experimental data were collected with the objective of studying the effect of an imidazoline based inhibitor on reducing CO2 corrosion of low carbon steel material in erosive environments. The erosivites of sand and CaCO3 particles were characterized for iron carbonate scale covered steel surfaces and for bare metal steel surfaces. Comparing CaCO3 and sand erosion data under dry and wet conditions, sand was found to be more erosive than CaCO3 particles. For the experimental conditions considered, the imidazoline based inhibitor provided greater corrosion protection to the bare metal carbon steel surface than the iron carbonate scale did. Consequently, lower erosion-corrosion material loss was measured with inhibitor than with the protective iron carbonate scale.

Key words: Iron Carbonate Scale (FeCO3), CO2 Corrosion, Erosion, Erosion-Corrosion, Sand, Calcium Carbonate Particles (CaCO3), Inhibited Erosion-Corrosion, Imidazoline based inhibitor

Erosion-Corrosion behavior of carbon steel material was investigated under iron carbonate scale forming conditions in a CO2 saturated environment as it was impinged by CaCO3 and sand particles.

Experimental data were collected with the objective of studying the effect of an imidazoline based inhibitor on reducing CO2 corrosion of low carbon steel material in erosive environments. The erosivites of sand and CaCO3 particles were characterized for iron carbonate scale covered steel surfaces and for bare metal steel surfaces. Comparing CaCO3 and sand erosion data under dry and wet conditions, sand was found to be more erosive than CaCO3 particles. For the experimental conditions considered, the imidazoline based inhibitor provided greater corrosion protection to the bare metal carbon steel surface than the iron carbonate scale did. Consequently, lower erosion-corrosion material loss was measured with inhibitor than with the protective iron carbonate scale.

Key words: Iron Carbonate Scale (FeCO3), CO2 Corrosion, Erosion, Erosion-Corrosion, Sand, Calcium Carbonate Particles (CaCO3), Inhibited Erosion-Corrosion, Imidazoline based inhibitor

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