Naphthenic acid corrosion of API 5L X70 steel in aqueous/oil environment using electrochemical surface-resolved and analytical techniques

Silva, Rejane M.P.; Suffredini, Hugo B.; Bastos, Ivan Napoleão; Santos, Luı́s F.; Simões, A.M.

doi:10.1016/j.electacta.2022.139900

Cited by 7 publications

(2 citation statements)

References 46 publications

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“…These adsorption centers generate both an adsorbed layer and a metal orbital coordinating bond [10]. According to a literature review, the oil and gas industry frequently seeks corrosion inhibitors such as Schiff base, quaternary ammonium salts, and other inhibitors [11,12]. However, educating about the importance of protecting the environment from long-present dangerous inhibitors is only partially effective [13,14].…”

Section: Introductionmentioning

confidence: 99%

Correlating Experimental with Theoretical Studies for a New Ionic Liquid for Inhibiting Corrosion of Carbon Steel during Oil Well Acidification

Toghan

Fawzy

Alakhras

et al. 2023

Metals

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During the mandatory acidification process in the oil and gas industry, carbon steel unfortunately suffers significant corrosion damage. From this perspective, for the first time a new ionic liquid called 1-(2-(4-bromophenyl)-2-oxoethyl)-4-(tert-butyl)pyridin-1-ium bromide (ILB) has been used as an effective inhibitor for the carbon steel corrosion in aggressive HCl solution (15%) at 298 K. The experiments were managed with a number of different chemical and electrochemical techniques including weight loss, potentiodynamic polarization (PDP), and impedance spectroscopy (EIS). ILB has good inhibitory performance as an acidizing corrosion inhibitor for carbon steel even at low dosing levels of 1 × 10−3 M. The findings were promising as an inhibition efficiency of about 97% was achieved when ILB was added at low concentrations to the corrosive media. EIS results showed a significant rise in charge transfer resistance (Rct) values with increasing doses of ILB. PDP studies confirmed that ILB is a mixed type and obey Langmuir adsorption isotherm with chemical nature. The metal surface morphologies were inspected using a Scanning Electron Microscope (SEM) and an Atomic Force Microscope (AFM). Additionally, Density Functional Theory (DFT) and Molecular Dynamic Simulation (MDS) indicates that ILB molecules function as inhibitors more successfully. There is a high degree of concordance between practical and theoretical studies.

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Section: Introductionmentioning

confidence: 99%

Correlating Experimental with Theoretical Studies for a New Ionic Liquid for Inhibiting Corrosion of Carbon Steel during Oil Well Acidification

Toghan

Fawzy

Alakhras

et al. 2023

Metals

View full text Add to dashboard Cite

show abstract

“…The acidizing procedure in manufacturing cleaning systems of steel removes oxides and/or inorganic layer eliminations [ 13 ], and this operation is unavoidable but can be controlled [ 14 ]. Therefore, extensive efforts are dedicated to advancing proficient and cost-effectively accommodating ways to reduce steel corrosion [ 15 , 16 , 17 , 18 , 19 , 20 , 21 ]. Employment of corrosion inhibitors is regarded as one of such significant ways [ 22 , 23 , 24 , 25 , 26 ].…”

Section: Introductionmentioning

confidence: 99%

Unraveling the Adsorption Mechanism and Anti-Corrosion Functionality of Dextrin and Inulin as Eco-Friendly Biopolymers for the Corrosion of Reinforced Steel in 1.0 M HCl: A Thermodynamic and Kinetic Approach

Toghan

Fawzy

2023

Polymers

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Reinforcing steel (RS) is mainly used in building construction and many industries, but it suffers from corrosion problems, especially in acidic environments. Biopolymers are characterized by their unique chemical composition, as they contain a variety of functional groups that are capable of binding strongly to the metal surface and forming a protective layer on it. Herewith, two biopolymers, viz. dextrin (Dex) and inulin (Inu), were tested as eco-friendly inhibitors for the corrosion of RS in 1.0 M HCl medium at different temperatures. Various experimental tools were utilized in this research. The inhibition efficiencies (% IEs) of the tested polymeric compounds were improved by increasing their doses while reducing with rising temperature. The % IEs of Dex and Inu at a dose of 500 mg/L reached 85% and 93%, respectively. The examined biopolymers displayed cathodic/anodic behavior (mixed type) with a foremost anodic one. The acquired higher % IEs were demonstrated by intense adsorption of Dex and Inu on the RS surface fitting the Langmuir isotherm. The influence of rising temperature in the range of 288–318 K on the corrosion behavior was examined, and the evaluated thermodynamic and kinetic parameters sustained the mechanism of physical adsorption of the polymeric inhibitors. Additionally, the kinetics of corrosion, as well as its inhibition by Dex and Inu, were also investigated. The SEM micrographs of the RS surfaces were accorded with all utilized experimental tools. The results gained from all used tools were discovered to be in good agreement with each other.

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Corrosion inhibition mechanisms of triazole derivatives on copper chemical mechanical polishing: Combined experiment and DFT study

Liu,

Niu,

Jia

et al. 2024

Applied Surface Science

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Naphthenic acid corrosion of API 5L X70 steel in aqueous/oil environment using electrochemical surface-resolved and analytical techniques

Cited by 7 publications

References 46 publications

Correlating Experimental with Theoretical Studies for a New Ionic Liquid for Inhibiting Corrosion of Carbon Steel during Oil Well Acidification

Correlating Experimental with Theoretical Studies for a New Ionic Liquid for Inhibiting Corrosion of Carbon Steel during Oil Well Acidification

Unraveling the Adsorption Mechanism and Anti-Corrosion Functionality of Dextrin and Inulin as Eco-Friendly Biopolymers for the Corrosion of Reinforced Steel in 1.0 M HCl: A Thermodynamic and Kinetic Approach

Corrosion inhibition mechanisms of triazole derivatives on copper chemical mechanical polishing: Combined experiment and DFT study

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