Investigation of &amp;lt;i&amp;gt;Sida acuta&amp;lt;/i&amp;gt; (Wire Weed) Plant Extract as Corrosion Inhibitor for Aluminium-Copper-Magnessium Alloy in Acidic Medium

Ayeni, Fatai Afolabi; Alawode, Saheed; Joseph, Dorcas; Sukop, P.; Olawuyi, Victoria; Alonge, Temitope Emmanuel; Alabi, O. O.; Oluwabunmi, Oluwakayode; Alo, F. I.

doi:10.4236/jmmce.2014.24033

Cited by 11 publications

(8 citation statements)

References 11 publications

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“…Such behavior may be justified by the presence of antioxidant molecules in the cocoa bark extract that adsorb in the substrate surface, thus retarding the corrosive process. 8 The fifth column of Table I display the inhibition efficiency (IE) calculated from the weight loss measurements according to Eq. (1).…”

Section: Fourier Transformed Infrared Spectroscopy (Ftir)mentioning

confidence: 99%

“…However, due to their toxicity and environmental impact, in the last decade, substitution of these compounds by corrosion inhibitors derived from plants, i.e. natural corrosion inhibitors, has become a major issue of interest to minimize metallic corrosion in acidic media [4][5][6][7][8] . BTAH is widely used as corrosion inhibitor due to its ability to form a protective film on different metallic materials and the literature demonstrates that it can effectively hinder steel corrosion in several media 9,10,11 .…”

Section: Introductionmentioning

confidence: 99%

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Study and Assessment of the Efficiency of the Cocoa Bark Extracted from the Theobroma Cacao as an Inhibitor of the Corrosion of Carbon Steel in Substitution of Benzotriazole

et al. 2017

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Corrosion represents high losses to the economy, therefore, researches on the minimization of its damages in materials, mainly the metallic ones, are necessary. Among the various alternatives of protection against corrosion, there is the application of corrosion inhibitors that can minimize or even stop the corrosive process of metallic materials. However, at present, substances usually used as corrosion inhibitors present high toxicity, being considered harmful components to the environment and to human health. Therefore, there is an urgent need for studies on viable corrosion inhibitors, by considering not only economic but also environmental costs. The present work studied the use of cocoa bark extract (Theobrama cacao L), for possible replacement of benzotriazole (BTAH) in the corrosion inhibition of ASTM 1020 carbon steel (CS-ASTM 1020) in 18.23 g.L -1 hydrochloric acid media. Weight loss measurements, anodic and cathodic potentiodynamic polarization curves and electrochemical impedance experiments were carried out. The results showed that the addition of the extract to the electrolyte effectively hinder the corrosion process and indicated its adsorption on the electrode surface. In addition, the inhibiting efficiency of the cocoa bark extract was only slightly inferior to BTAH, showing that it can be an environmentally friendly option to toxic inhibitors.

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Section: Fourier Transformed Infrared Spectroscopy (Ftir)mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Study and Assessment of the Efficiency of the Cocoa Bark Extracted from the Theobroma Cacao as an Inhibitor of the Corrosion of Carbon Steel in Substitution of Benzotriazole

et al. 2017

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“…Recent researches in the corrosion area have focused in the use of natural corrosion inhibitors extracted from plants [8], seeds [9], natural herbs [10] and medicinal plants [11]. These are biodegradable, sustainable, easily available and low cost substances.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the anticorrosion performance of peel garlic extract as corrosion inhibitor for ASTM 1020 carbon steel in acidic solution

Barreto

Tokumoto

Guedes³

et al. 2017

Matéria (Rio J.)

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Metallic corrosion can be delayed using corrosion inhibitors. However, several industrial corrosion inhibitors are toxic and harmful to the environment and to the human health. In this context, in the last decades, research has been developed to investigate the performance of low toxicity corrosion inhibitors as green inhibitors obtained from vegetables, which are environmentally acceptable. The present work studied the corrosion inhibition efficiency of peel garlic extract (Allium sativum. L.) for possible replacement of benzotriazole (BTAH) on the corrosion inhibition of ASTM 1020 carbon steel (CS-1020) in 0.5 mol.L -1 hydrochloric acid media. Weight loss measurements, anodic and cathodic potentiodynamic curves and electrochemical impedance (EIS) experiments were carried out. The Fourier transformed infrared spectroscopy (FTIR) was carried out to evaluate the chemical compounds. The morphological characterization was obtained to observe the inhibitor effect in the corrosion products on substrate surface. The results showed that the addition of both inhibitors effectively hinder the corrosion process and indicated their adsorption on the electrode surface. The inhibiting efficiency of the peel garlic extract was only slightly inferior to BTAH showing that the former inhibitor can be an environmentally friendly option to toxic inhibitors. The FTIR analysis showed the presence of chemical compounds which presents antioxidant properties.

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“…However, the ascribed to súlfurcontaining compounds were also detected at 720 cm -1 (CS), 1044 cm-1 (S=O) and 1235 cm-1 (SS) are also found in the peel extract of garlic (Fig. 1) and according to Ayeni et al, (2014), the sulfur molecule acts as corrosion inhibiting. The band (3396 cm -1 ) is related to OH, was found in the spectrum of garlic peel extract (Fig 1) and cacao peel extract (Fig.…”

Section: Infrared Spectroscopy In the Fourier Transform (Ftir)mentioning

confidence: 94%

“…The successful use of naturally occurring substances to inhibit the corrosion of metals in acidic middle has been reported by some research groups (Ayeni et al, 2014;Onukwuli & Omotioma, 2016;Onukwuli et al, 2017;Okafor, Anadebe & Onukwuli, 2019;Anadebe et al, 2018;Gomes, 1999). Efforts to find natural organic substances or biodegradable organic materials to be used as corrosion inhibitors over the years have been intensified in the world.…”

Section: Introductionmentioning

confidence: 95%

Evaluation of vegetables residues as corrosion inhibitors

Barreto

Almeida

Santos

et al. 2021

RSD

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This work investigates the use of (Allium sativum L.) garlic peel extract, and (Theobroma L) cacao peel, as well as their synergy as a corrosion inhibitor for carbon steel in 0.5 mol.L-1 hydrochloric acid solution. The comparative study was performed in 1.11 g.L-1 of extract. The investigation was carried out using Fourier transform infrared spectroscopy (FTIR), electrochemical impedance spectroscopy (EIS), gravimetric techniques and scanning electron microscopy (SEM) as chemical, electrochemical and morphological characterization techniques, respectively. Gravimetric tests results showed a reduction in the corrosion rate of the extracts, with 90.7% efficiency for garlic extract and 89% for cacao extract, however, the mixture of the compounds presented an inhibition superior to 98%, showing the great synergism between the studied species. While the EIS results showed a higher impedance module value for cacao extract compared to garlic extract. Chemical analysis for extracts of garlic and cacao obtained by FTIR showed the presence of compounds based on sulfur and nitrogen, which are responsible for corrosion inhibiting effect. The SEM images obtained showed the formation of a film which reduces the evaluation of the corrosive process. Then, it is possible to conclude, that the carbon steel surface immersed in 0.5 mol.L-1 HCl solution with garlic peel extracts or cacao peel extracts or both, presents a corrosion inhibiting effect.

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Investigation of <i>Sida acuta</i> (Wire Weed) Plant Extract as Corrosion Inhibitor for Aluminium-Copper-Magnessium Alloy in Acidic Medium

Cited by 11 publications

References 11 publications

Study and Assessment of the Efficiency of the Cocoa Bark Extracted from the Theobroma Cacao as an Inhibitor of the Corrosion of Carbon Steel in Substitution of Benzotriazole

Study and Assessment of the Efficiency of the Cocoa Bark Extracted from the Theobroma Cacao as an Inhibitor of the Corrosion of Carbon Steel in Substitution of Benzotriazole

Evaluation of the anticorrosion performance of peel garlic extract as corrosion inhibitor for ASTM 1020 carbon steel in acidic solution

Evaluation of vegetables residues as corrosion inhibitors

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