Experimental assessment and molecular-level exploration of the mechanism of action of Nettle (Urtica dioica L.) plant extract as an eco-friendly corrosion inhibitor for X38 mild steel in sulfuric acidic medium

Maizia, Radouane; Zaabar, Aida; Djermoune, Atmane; Amoura, Damia; Martemianov, S.; Thomas, A.; Alrashdi, Awad A.; Makhloufi, L.; Lgaz, Hassane; Dib, Abdelhafid; Chafiq, Maryam; Ko, Young Gun

doi:10.1016/j.arabjc.2023.104988

Cited by 23 publications

(2 citation statements)

References 79 publications

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“…The Warburg impedance ( W ) of the low-frequency region and the capacitive loop of the high-frequency region form a blank Nyquist diagram, where the capacitive impedance is formed mainly because of the mass transfer of positive charges from the medium and the double layer is formed, while the W is generated by the dispersal of dissolved Cu 2+ into the medium and dissolved oxygen in the medium body to the working electrode surface . Besides, it can be observed that the semicircle presented by the capacitive circle is not a perfect semicircle, which is because the PLE was adsorbed on copper; this results in an uneven surface of copper, which is shown as the “dispersion effect”. − It also further indicates that the PLE's adsorption behavior occurs, thus hindering the further dissolution of copper.…”

Section: Resultsmentioning

confidence: 99%

Pumpkin Leaf Extract Crop Waste as a New Degradable and Environmentally Friendly Corrosion Inhibitor

Ren,

Liu,

Gong

et al. 2024

Langmuir

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The pumpkin leaf was extracted by the decoction method, and it was used as an eco-friendly, nontoxic inhibitor of copper in 0.5 M H 2 SO 4 corrosion media. To evaluate the composition and protective capacity of the pumpkin leaf extract, Fourier infrared spectroscopy, electrochemical testing, XPS, AFM, and SEM were employed. The results showed that the pumpkin leaf extract (PLE) is an effective cathode corrosion inhibitor, exhibiting exceptional protection for copper within a specific temperature range. The corrosion inhibition efficiency of the PLE against copper reached 89.98% when the concentration of the PLE reached 800 mg/L. Furthermore, when the temperature and soaking time increased, the corrosion protection efficiency of 800 mg/L PLE on copper consistently remained above 85%. Analysis of the morphology also indicated that the PLE possesses equally effective protection for copper at different temperatures. Furthermore, XPS analysis reveals that the PLE molecules are indeed adsorbed to form an adsorption film, which is consistent with Langmuir monolayer adsorption. Molecular dynamics simulations and quantum chemical calculations were conducted on the main components of the PLE.

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Section: Resultsmentioning

confidence: 99%

Pumpkin Leaf Extract Crop Waste as a New Degradable and Environmentally Friendly Corrosion Inhibitor

Ren,

Liu,

Gong

et al. 2024

Langmuir

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show abstract

“…Another electrical circuit is supplied for the situation by including an inhibitor (Fig. 6 b) to produce a better simulation of the low-frequency inductance loop, which has an inductor resistance (R L ) and is in series with the inductor (L) 55 . The relaxation of inhibitors causes the inductive loop seen on the Nyquist plot adsorbed on the metal surface 56 .…”

Section: Resultsmentioning

confidence: 99%

Unveiling green corrosion inhibitor of Aloe vera extracts for API 5L steel in seawater environment

Royani,

Hanafi,

Mubarak

et al. 2024

Sci Rep

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This study evaluated Aloe vera extract as a green inhibitor to prevent corrosion in seawater environments. A. vera extract was produced by maceration with methanol–water at room temperature. Electrochemical techniques were used to evaluate the corrosion inhibitor effectiveness of the A. vera extract. The morphology of the corrosion products was analyzed by FE-SEM equipped with EDS and AFM. FT-IR and LCMS characterized the functional and structural groups in this extract. The electrochemical measurements show that A. vera extract could effectively reduce the corrosion of API 5L steel in seawater environments. Inhibition efficiency (IE) increases with increasing concentration. Optimal corrosion inhibition efficiency of around 83.75% (PDP) and 88.60% (EIS) was obtained by adding 300 mg L−1 of extract at 310 K. Furthermore, the higher the concentration of A. vera extract, the greater the activation energy (Ea), with the highest activation energy being 48.24 kJ mol−1 for the concentration of 300 mg L−1. Conversely, increasing the temperature and exposure duration reduces the corrosion inhibition efficiency (IE) values; the best exposure period was 30 min with 88.34% IE by a concentration of 300 mg L−1 at 300 K. This corrosion inhibition is achieved by the adsorption process of A. vera bioactive on metal surfaces with a mixed inhibitor through a physisorption-chemisorption mechanism. This finding was confirmed by the smoother surface morphology of the steel treated with A. vera extract than without. This unveiling investigation found that A. vera extract has the potential to be an environmentally friendly corrosion inhibitor in the seawater environment.

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Exploring the Efficacy of Polysaccharides as Green Corrosion Inhibitors: A Comprehensive Review

AL Salihi,

Mahdi,

Al‐Amiery

et al. 2024

Starch Stärke

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Corrosion threatens materials in diverse industries, necessitating sustainable corrosion inhibitors. Polysaccharides, abundant natural polymers, emerge as eco‐friendly corrosion inhibitors. This review explores polysaccharides' efficacy, mechanisms, and applications. It introduces the significance of corrosion and the vital role of inhibitors, positioning polysaccharides as promising green solutions. The exploration covers polysaccharide diversity, sources, and eco‐friendly attributes. Corrosion mechanisms are detailed, setting the stage for understanding inhibition strategies. Polysaccharides, with unique adsorption and film‐forming properties, are effective inhibitors, elucidated through electrochemical studies. Influential factors like pH, temperature, and concentration effects, along with practical applicability considerations, are examined. Real‐world implementations across industries underscore polysaccharides' versatility, often surpassing traditional inhibitors. Despite challenges, this review outlines their promising role, addressing concerns and proposing future directions. Polysaccharides emerge as eco‐friendly alternatives, illuminating inhibitive properties, mechanisms, and practical applications, guiding continued research for sustainable corrosion prevention.

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Experimental assessment and molecular-level exploration of the mechanism of action of Nettle (Urtica dioica L.) plant extract as an eco-friendly corrosion inhibitor for X38 mild steel in sulfuric acidic medium

Cited by 23 publications

References 79 publications

Pumpkin Leaf Extract Crop Waste as a New Degradable and Environmentally Friendly Corrosion Inhibitor

Pumpkin Leaf Extract Crop Waste as a New Degradable and Environmentally Friendly Corrosion Inhibitor

Unveiling green corrosion inhibitor of Aloe vera extracts for API 5L steel in seawater environment

Exploring the Efficacy of Polysaccharides as Green Corrosion Inhibitors: A Comprehensive Review

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