Green corrosion inhibitor for carbon steel in sulfuric acid medium from “Calotropis Gigantiea” latex

Gobara, Mohamed; Baraka, Ahmad; Zaghloul, Basem

doi:10.1007/s11164-015-1996-3

Cited by 21 publications

(5 citation statements)

References 54 publications

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“…According to these results, the examined extracts have the ef- www.nature.com/scientificreports/ fect of lowering the anodic dissolution of iron as well as the hydrogen evolution reaction, and they also induce considerable changes in the values of OCP. Because of this, the two extracts might be considered to be inhibitors of the mixed type 41 . This behavior is in great shape, with a decent agreement with the potentiodynamic polarization observations.…”

Section: Electrochemical Studiesmentioning

confidence: 99%

Vicia faba peel extracts bearing fatty acids moieties as a cost-effective and green corrosion inhibitor for mild steel in marine water: computational and electrochemical studies

Abdelshafeek

Abdallah

El‐Sayed

et al. 2022

Sci Rep

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The goal of this research is to determine what chemicals are present in two different extracts (hexane and acetone) of Vicia faba (family Fabaceae, VF) peels and evaluate their effectiveness as a corrosion inhibitor on mild steel in a saline media containing 3.5% sodium chloride. Gas chromatography-mass spectrometry (GC/MS) was used to determine the composition of various extracts. It was determined that fourteen different chemicals were present in the hexane extract, the most prominent of which were octacosane, tetrasodium tetracontane, palmitic acid, and ethyl palmitate. Heptacosane, lauric acid, myristic acid, ethyl palmitate, and methyl stearate were some of the 13 chemicals found in the acetone extract. Using open circuit potential, potentiodynamic polarisation, and electrochemical impedance spectroscopic techniques, we can approximate the inhibitory effects of (VF) extracts on mild steel. The most effective inhibitory concentrations were found to be 200 ppm for both the hexane and acetone extracts (97.84% for the hexane extract and 88.67% for the acetone extract). Evaluation experiments were conducted at 298 K, with a 3.5% (wt/v) NaCl content and a flow velocity of about 250 rpm. Langmuir adsorption isotherm shows that the two extracts function as a mixed-type inhibitor in nature. Docking models were used to investigate the putative mechanism of corrosion inhibition, and GC/MS was used to identify the major and secondary components of the two extracts. Surface roughness values were calculated after analyzing the morphology of the metal's surface with and without (VF) using a scanning electron microscope (SEM). The results showed that throughout the surface of the mild steel, a thick adsorbate layer was formed. Quantum chemical calculations conducted on the two extracts as part of the theoretical research of quantum chemical calculation demonstrated a connection between the experimental analysis results and the theoretical study of the major chemical components.

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Section: Electrochemical Studiesmentioning

confidence: 99%

Vicia faba peel extracts bearing fatty acids moieties as a cost-effective and green corrosion inhibitor for mild steel in marine water: computational and electrochemical studies

Abdelshafeek

Abdallah

El‐Sayed

et al. 2022

Sci Rep

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“…Finally, The appearance of IL and AA characteristic peaks in PAL spectra besides the absence of out of plan bending vinylic -C=Cpeak at 980 cm −1 strongly confirms the polymerization process of IL monomer into PAL. 1 H NMR and 13 C NMR spectra are presented in figure 3 and the values of δ are assigned as follows; 1 Also, the average molecular weight of the prepared compound was determined using GPC and the results are summarized in table 1. The weight average molecular weight of the prepared poly ionic liquid polymer (PAL) is 34332 g/mole.…”

Section: Characterization Of Pal Polymermentioning

confidence: 99%

“…In this study, two adsorption isotherms models are applied: Langmuir and El-Awady. The Langmuir isotherm proposes a monolayer coverage of inhibitor molecules on the metal surface, while the El-Awady model proposes that the active site is covered with a multilayer [1,[66][67][68]. The Langmuir isotherm has the following expression [37]:…”

Section: Adsorption Isotherm and Thermodynamic Parametersmentioning

confidence: 99%

“…Carbon steel is an important industrial alloy that has been widely used in many industries such as pipelines as well as vessels due to its cost, effectiveness and ease of fabrication [1]. Generally, Hydrochloric acid is used in acid pickling and industrial cleaning processes to get rid of the undesirable rust along with scales from the surface of equipment and heat exchangers.…”

Section: Introductionmentioning

confidence: 99%

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Synthesis, characterization and application of acrylate-based poly ionic liquid for corrosion protection of C1020 steel In hydrochloric acid solution

Gobara

Saleh²,

Naeem

2019

Mater. Res. Express

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Poly ionic liquids (PIL) are eco-friendly in addition to being sustainable compounds that can be easily prepared and tailored according to the application. In this study, a novel PIL polymer based on acrylate was chemically synthesised via free radical polymerization method controlled by quenching the reversible reaction. The prepared 1-Butyl-3 Methylimidazolium Acrylate polymer (PAL) was characterised using FTIR as well as NMR to confirm the chemical structure. GPC was employed to determine the average molecular weight of the new polymer. PAL was applied as an effective corrosion inhibitor for C1020 steel in 1M HCl aqueous solution. Weight loss and electrochemical techniques, PDP and EIS, were applied to evaluate the corrosion inhibition performance. The electrochemical results showed that PAL acts as a mixed-type inhibitor reaches 91.8% at room temperature. The thermodynamic calculations showed that the adsorption process is exothermic. Furthermore, PAL molecules were adsorbed on the metal surface by both chemisorption and physisorption processes. SEM analysis was carried out to confirm the corrosion evaluation results. Also, quantum chemical calculations, at the B3LYP/DND level of theory, were carried out to correlate the electronic structure parameters of PAL inhibitor to its adsorption behaviour which in turn is relevant to the inhibition efficiency. Additionally, Monte Carlo simulation (MC) was conducted to investigate the adsorption modes and the interaction energies of the inhibitor on iron surface.

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“…Many organic compounds have been studied as corrosion inhibitor for different metals [1][2][3][4][5][6][7][8] . Larger amount of organic compounds have been use as inhibitor but they are poisonous and expensive, some ecofriendly, less costly and green inhibitors are substitute of organic inhibitors [9][10][11][12] . Due to above reason in the present study eco-friendly Sesmum indicum oil has been tested for corrosion inhibitive property for the stainless steel metal in 0.5N hydrochloric acid.…”

Section: Introductionmentioning

confidence: 99%

Corrosive Inhibitive Study of Stainless Steel in Hydrochloric Acid Using Eco-Friendly Sesmum Indicum Oil

Sharma¹,

Choudhary²,

Varshney³

et al. 2017

Orient. J. Chem

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The inhibitive and adsorptive properties of Sesmum indicum eco-friendly oil for stainless steel corrosion in hydrochloric acid was investigated using weight loss technique as well as electrochemical technique. The result has proved that the oil is excellent inhibitor for stainless steel in hydrochloric acid. The inhibition efficiency of oil for stainless steel increased with increase the amount of oil. The mechanism of the oil on the surface of stainless steel was found to be spontaneous, exothermic and physical adsorption. The experimental data fitted well to Langmuir adsorption isotherms. Obtained results were justified from the galvanostatic polarization method.

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Green corrosion inhibitor for carbon steel in sulfuric acid medium from “Calotropis Gigantiea” latex

Cited by 21 publications

References 54 publications

Vicia faba peel extracts bearing fatty acids moieties as a cost-effective and green corrosion inhibitor for mild steel in marine water: computational and electrochemical studies

Vicia faba peel extracts bearing fatty acids moieties as a cost-effective and green corrosion inhibitor for mild steel in marine water: computational and electrochemical studies

Synthesis, characterization and application of acrylate-based poly ionic liquid for corrosion protection of C1020 steel In hydrochloric acid solution

Corrosive Inhibitive Study of Stainless Steel in Hydrochloric Acid Using Eco-Friendly Sesmum Indicum Oil

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