TY - GEN
T1 - Study on imidazoline based inhibitor on A106 Grade B through electrochemical impedance spectroscopy
AU - Setyawan, Yuli
AU - Riastuti, Rini
N1 - Funding Information:
This research was funded by the Directorate of Research and Community Engagement, University of Indonesia under the program of PITTA B Grant Fund for Fiscal Year 2019, No: NKB-0778 / UN2.R3.1 / HKP.05.00 / 2019.
Publisher Copyright:
© 2020 Author(s).
PY - 2020/4/21
Y1 - 2020/4/21
N2 - Corrosion caused by carbon dioxide (CO2) on carbon steel pipes and oil and gas processing-equipment is common. Water-soluble CO2 produces carbonic acid (H2CO3) which has more corrosive properties than hydrochloric acid (HCL) at the same pH. Electrochemical impedance spectroscopy and linear polarization resistance were employed to determine the processes occurring during the adsorbed inhibition process on the metal surface. Imidazoline based inhibitor concentration variations helped uncover the ability of inhibitor inhibition and the passivation strength of the formed layer. This research was conducted on A106 Grade. B carbon steel in an environment of 3 % NaCl. The imidazoline based inhibitor concentration varies from 0 to 40?ppm at 40 ?. At a temperature of 40 ? and without inhibitor, the corrosion rate showed 143.6 MPY, but dropped drastically to 22.4 MPY when 5?ppm inhibitor was added. Electrochemical Impedance Spectroscopy was applied to study the inhibition mechanism. It was found that based on an adsorption isotherm analysis, chemisorption happened between inhibitor and metal.
AB - Corrosion caused by carbon dioxide (CO2) on carbon steel pipes and oil and gas processing-equipment is common. Water-soluble CO2 produces carbonic acid (H2CO3) which has more corrosive properties than hydrochloric acid (HCL) at the same pH. Electrochemical impedance spectroscopy and linear polarization resistance were employed to determine the processes occurring during the adsorbed inhibition process on the metal surface. Imidazoline based inhibitor concentration variations helped uncover the ability of inhibitor inhibition and the passivation strength of the formed layer. This research was conducted on A106 Grade. B carbon steel in an environment of 3 % NaCl. The imidazoline based inhibitor concentration varies from 0 to 40?ppm at 40 ?. At a temperature of 40 ? and without inhibitor, the corrosion rate showed 143.6 MPY, but dropped drastically to 22.4 MPY when 5?ppm inhibitor was added. Electrochemical Impedance Spectroscopy was applied to study the inhibition mechanism. It was found that based on an adsorption isotherm analysis, chemisorption happened between inhibitor and metal.
UR - http://www.scopus.com/inward/record.url?scp=85113497928&partnerID=8YFLogxK
U2 - 10.1063/5.0005253
DO - 10.1063/5.0005253
M3 - Conference contribution
AN - SCOPUS:85113497928
T3 - AIP Conference Proceedings
BT - Proceedings of the 3rd International Seminar on Metallurgy and Materials, ISMM 2019
A2 - Darsono, Nono
A2 - Thaha, Yudi Nugraha
A2 - Ridhova, Aga
A2 - Rhamdani, Ahmad
A2 - Utomo, Muhammad Satrio
A2 - Ridlo, Faried Miftahur
A2 - Prasetyo, Mukhlis Agung
PB - American Institute of Physics Inc.
T2 - 3rd International Seminar on Metallurgy and Materials: Exploring New Innovation in Metallurgy and Materials, ISMM 2019
Y2 - 23 October 2019 through 24 October 2019
ER -