Studying the Efficiency of Corrosion Inhibitor Iktsf-1, Ir-Dea, Ir-Dar-20 in 1m Hcl

Abstract

The article studies the assessment of the inhibition of the corrosion inhibitor ICCF-1, IR-DEA, IR-DAR-20 in 1M HCl. A multifaceted study of the effectiveness and versatility of new inhibitory compositions based on acetaldehyde, diethanolamine to protect carbon steel from hydrogen sulfide, carbon dioxide, microbiological corrosion and hydrogenation.By the method of chromium mass spectroscopy, electron microscopy, elemental analysis, electrochemical impedance spectroscopy, data were obtained on the mechanism of the corrosion process in the studied media depending on the duration of the experiment and the concentration of inhibitory compositions and their adsorption characteristics were determined. It was found that ICCF-1, IR-DEA, IR-DAR-20 inhibition efficiency of 96.02% at 30 °C. The average value of the standard free energy of adsorption (ΔGoads) was -14.84 kJ/mol, which suggests physical adsorption.

 Keywords: Corrosion inhibitors, corrosion rate, inhibitor concentration, acetaldehyde.