Abstract
AbstractThis paper deals with the N80 steel corrosion protection study in 15% HCl which was carried by three quinoline derivatives namely 3-acetyl-1-(4-methylbenzylideneamino) quinolin-2-one (AQ-1), 3-acetyl-1-(4 hydroxy benzylideneamino) quinolin-2-one (AQ-2), 3-acetyl-1-(3-nitrobenzylideneamino) quinolin-2(1H)-one (AQ-3) using gravimetric, electrochemical, and quantum chemical studies. Tafel polarization showed that AQs are mixed type inhibitors but dominantly affect cathodic reaction more. The observed results reveal that AQ-1 is the best inhibitor. All the three inhibitors were found to obey the Langmuir adsorption isotherm. Scanning electron microscopy (SEM) micrographs supports the protection of the N80 steel by AQs. Quantum chemical study reveals that the inhibitors have a tendency to get protonated and this protonated form has greater tendency to get adsorbed onto the N80 steel surface.
Highlights
Hydrochloric acid is more commonly used for acidization of oil wells in order to enhance the oil production
15% hydrochloric acid (HCl) is forced into the oil well through the N80 steel made tubing, in order to open the bore channels and increases the oil flow
The present paper reports the inhibition action of three quinoline derivatives namely 3-acetyl1-(4-methylbenzylideneamino) quinolin-2-one (AQ-1), 3-acetyl-1-(4 hydroxy benzylideneamino) quinolin-2-one (AQ-2), 3-acetyl-1-(3-nitrobenzylideneamino) quinolin-2(1H)-one (AQ-3), using gravimetric measurement, electrochemical impedance spectroscopic (EIS), Tafel polarization, Scanning electron microscopy (SEM), and Quantum studies in both neutral and protonated forms
Summary
Hydrochloric acid is more commonly used for acidization of oil wells in order to enhance the oil production. 15% HCl is forced into the oil well through the N80 steel made tubing, in order to open the bore channels and increases the oil flow. This process has a negative impact i.e. it severely causes the corrosion of N80 steel. The purpose of this research work was to investigate the corrosion inhibition performance of three quinoline derivatives namely 3-acetyl-1-(4-methylbenzylideneamino) quinolin-2-one (AQ-1), 3-acetyl-1-(4 hydroxy benzylideneamino) quinolin-2-one (AQ-2), 3-acetyl-1-(3 nitro benzylideneamino) quinolin-2-one (AQ-3) as potential environmentfriendly corrosion inhibitors for N80 steel in 15% hydrochloric acid (HCl), which has application in petroleum industry during acidizing process. The present paper reports the inhibition action of three quinoline derivatives namely 3-acetyl1-(4-methylbenzylideneamino) quinolin-2-one (AQ-1), 3-acetyl-1-(4 hydroxy benzylideneamino) quinolin-2-one (AQ-2), 3-acetyl-1-(3-nitrobenzylideneamino) quinolin-2(1H)-one (AQ-3), using gravimetric measurement, electrochemical impedance spectroscopic (EIS), Tafel polarization, SEM, and Quantum studies in both neutral and protonated forms
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
