Computational, MD simulation, SEM/EDX and experimental studies for understanding adsorption of benzimidazole derivatives as corrosion inhibitors in 1.0 M HCl solution

Ech–chihbi, E.; Nahlé, Ayssar; Salim, Rajae; Benhiba, F.; Moussaïf, Ahmed; El-Hajjaji, F.; Oudda, H.; Guenbour, A.; Taleb, M.; Warad, Ismail; Zarrouk, A.

doi:10.1016/j.jallcom.2020.155842

Cited by 147 publications

(25 citation statements)

References 71 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The adhesion strength between the BTA compound and the CS surface of binding energies and interaction was also evaluated. As mentioned in the literature review, higher interaction energy reflects the strong adsorption between an inhibitor compound and an iron surface [ 36 ]. This study found that the BTA inhibitor showed a strong interaction and bending affinity towards the iron surface, wherein the E interaction value was −568.34 kJ mol −1 (E bending = 568.34 kJ mol −1 ).…”

Section: Resultsmentioning

confidence: 99%

Experimental, DFT and MD Assessments of Bark Extract of Tamarix aphylla as Corrosion Inhibitor for Carbon Steel Used in Desalination Plants

Ali

2021

Molecules

View full text Add to dashboard Cite

This study aimed to examine the extract of barks of Tamarix aphylla as a corrosion inhibitor. The methodology briefly includes plant sample collection, extraction of the corrosion inhibitor, gravimetric analysis, plotting potentiodynamic polarization plots, electrochemical impedance spectroscopic measurements, optimization of conditions, and preparation of the inhibitor products. The results show that the values of inhibition efficiency (IE%) increased as the concentrations of the inhibitor increased, with a maximum achievable inhibition efficiency of 85.0%. Potentiodynamic polarization (PP) tests revealed that the extract acts as a dual-type inhibitor. The results obtained from electrochemical impedance spectroscopy (EIS) measurements indicate an increase in polarisation resistance, confirming the inhibitive capacity of the tested inhibitor. The adsorption of the inhibitor on the steel surface follows the Langmuir adsorption isotherm model and involves competitive physio-sorption and chemisorption mechanisms. The EIS technique was utilized to investigate the effect of temperature on corrosion inhibition within the 298–328 K temperature range. Results confirm that the inhibition efficiency (IE%) of the inhibitor decreased slightly as the temperature increased. Lastly, the thermodynamic parameters for the inhibitor were calculated.

show abstract

Section: Resultsmentioning

confidence: 99%

Experimental, DFT and MD Assessments of Bark Extract of Tamarix aphylla as Corrosion Inhibitor for Carbon Steel Used in Desalination Plants

Ali

2021

Molecules

View full text Add to dashboard Cite

show abstract

“…A glance through the previous literature involving corrosion inhibition in 15 % HCl, as discussed in the introduction, reveals that the current HDBI inhibitor at a concentration of 50 mg L À 1 has demonstrated excellent corrosion inhibition efficiencies of 97 %. Note that most of the previous works [18][19][20][21][22][23][24][25][26][27][28] used much higher concentrations of inhibitors with lower inhibition efficiencies. The adsorption nature of HDBI on LCS was predicted to be mainly a chemisorption process as displayed by the estimated ΔG ads values above À 40 kJ mol À 1 for all investigated techniques and the E a value above the threshold of 80 kJ mol À 1 .…”

Section: Discussionmentioning

confidence: 99%

“…[25] Two benzimidazole derivatives, namely:2-(allylthio)-1H-benzo[d]imidazole (SHA) and bis((1H-benzo[d]imidazole-2-yl)thio)methane (BB1 C) were studied as a corrosion inhibitors for mild steel (MS) in 1 M HCl solution. [26] A recent article reviews the recent advances in benzimidazoles as mild steel corrosion inhibitors in 1 M HCl. [27] A 2-Mercaptobenzimidazole derivative at a concentration of 950 ppm has been shown to impart 78 % inhibition of mild steel corrosion in 1 M HCl at 60°C.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of 1‐Hexadecylbenzimidazole as a Corrosion Inhibitor on Low Carbon Steel 15 % HCl Solution Interface

Odewunmi

Mazumder

2021

ChemistrySelect

View full text Add to dashboard Cite

The performance of 1-Hexadecylbenzimidazole (HDBI) as an effective corrosion inhibitor of low carbon steel (LCS) in 15 % HCl solution was evaluated with different electrochemical techniques and weight loss measurements. HDBI was a mixedtype corrosion inhibitor with 50 mg L À 1 concentration achieving a 97 % corrosion inhibition efficiency in 15 % HCl solution at 25°C. The nature of adsorption of HDBI on LCS in the corrosive medium was predicted to be chemisorption, as revealed by the Langmuir isotherm model and the thermodynamic study.Weight loss measurements of 50 mg L À 1 HDBI at a different temperature indicated the effectiveness of HDBI at elevated temperatures. The X-ray photoelectron spectroscopy (XPS) was used to ascertain the chemical state of the adsorbed HDBI on the LCS surface. The surface morphology analysis was investigated with a flame emission scanning electron microscope integrated with an energy dispersive spectrometer (FESEM-EDX).

show abstract

“…The cell was filled with 300 mL of corrosive solution, 1 M HCl solution with and without the addition of EFB-H at varying dosages. After the electrochemical cell has been set up, the system was allowed to stabilize and reach a steady open circuit potential for 30 min [ 22 , 23 ]. This step is crucial to ensure an accurate measurement as the corrosion reaction fluctuates at the initial stage [ 24 ].…”

Section: Methodsmentioning

confidence: 99%

Innovative Method for Longer Effective Corrosion Inhibition Time: Controlled Release Oil Palm Empty Fruit Bunch Hemicellulose Inhibitor Tablet

et al. 2021

View full text Add to dashboard Cite

This study aims to develop a controlled release oil palm empty fruit bunch hemicellulose (EFB-H) inhibitor tablet for mild steel in 1 M HCl. As plant extracts tend to deteriorate at longer immersion time, limiting its industrial applicability, we attempted to lengthen the inhibition time by forming a controlled release inhibitor tablet. Electrochemical methods (potentiodynamic polarization (PDP) and electrochemical impedance spectroscopy (EIS)) were employed to investigate the efficiency and mechanism of the inhibition. An optimum dosage and immersion time was determined via Response Surface Methodology (RSM). EFB-H tablet was formulated using D-optimal mixture design, and its anticorrosion action at extended immersion time was compared with EFB-H powder. PDP measurement revealed that EFB-H is a mixed type inhibitor. RSM optimization unveiled that the optimum point for a maximum inhibition efficiency (87.11%) was at 0.33 g of EFB-H and 120 h of immersion time. Tablet T3 with EFB-H to gum Arabic to hydroxypropyl methylcellulose ratio of 66:0:34 portrayed the best tensile strength (0.243 MPa), disintegration time (152 min) and dissolution behavior. EFB-H tablet exhibited a longer-lasting inhibition effect than powder, which was 360 h as compared to 120 h for powder. Overall, EFB-H tablet has been successfully developed, and its enhanced effective inhibition time has been experimentally proven.

show abstract

Computational, MD simulation, SEM/EDX and experimental studies for understanding adsorption of benzimidazole derivatives as corrosion inhibitors in 1.0 M HCl solution

Cited by 147 publications

References 71 publications

Experimental, DFT and MD Assessments of Bark Extract of Tamarix aphylla as Corrosion Inhibitor for Carbon Steel Used in Desalination Plants

Experimental, DFT and MD Assessments of Bark Extract of Tamarix aphylla as Corrosion Inhibitor for Carbon Steel Used in Desalination Plants

Evaluation of 1‐Hexadecylbenzimidazole as a Corrosion Inhibitor on Low Carbon Steel 15 % HCl Solution Interface

Innovative Method for Longer Effective Corrosion Inhibition Time: Controlled Release Oil Palm Empty Fruit Bunch Hemicellulose Inhibitor Tablet

Contact Info

Product

Resources

About