Red Algae Halopitys Incurvus Extract as a Green Corrosion Inhibitor of Carbon Steel in Hydrochloric Acid

Benabbouha, Tariq; Siniti, M.; Attari, H. El; Chefira, Khalil; Chibi, Fatima; Nmila, Rachid; Rchid, Halima

doi:10.1007/s40735-018-0161-0

Cited by 50 publications

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References 57 publications

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“…Since 1930, plant and algae extract has been used as a corrosion inhibitor. Studies on natural products extract as a corrosion inhibitor has become more extensive [10][11][12][13][14][15][16][17]. Cystoseira baccata brown algae from the Sargassaceae family considered as a natural source of several active compounds.…”

Section: Introductionmentioning

confidence: 99%

The brown algae Cystoseira Baccata extract as a friendly corrosion inhibitor on carbon steel in acidic media

et al. 2020

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The inhibition properties of the isopropanol extract of brown seaweed Cystoseira baccata (CBE), against corrosion of carbon steel in HCl 1M medium, was evaluated using the weight-loss method and electrochemical measurements. It was shown that the extract exhibit excellent performance as inhibitors and the inhibition efficiency increased with the concentration. The maximal value of inhibition efficiency is 86.5% obtained by the Tafel method at 700 mg/l at 298 K. The polarization curves indicate that the CBE acts as a mixed-type inhibitor. The results obtained by electrochemical impedance spectroscopy shows that the inhibitory action of this extract is based on the increase in the charge transfer resistance and the decrease in the double layer capacity. The temperature influence studied in the temperature range 298-328 K by weight-loss method shows that the inhibition efficiency decreases with increasing temperature for all concentrations of CBE. The adsorption and activation parameters allow us to suggest the physical adsorption of this inhibitor on the metal. The adsorption of the extract on the carbon steel follows Langmuir adsorption isotherm.

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Section: Introductionmentioning

confidence: 99%

The brown algae Cystoseira Baccata extract as a friendly corrosion inhibitor on carbon steel in acidic media

et al. 2020

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“…Organic compounds with functional groups containing nitrogen, sulphur and oxygen atoms are generally used as corrosion inhibitors. However, most of these organic compounds are not only expensive but also harmful to the environment [4]. Current research is increasingly focusing on the use of inhibitors known as green inhibitors.…”

Section: Introductionmentioning

confidence: 99%

Corrosion inhibition of A516 carbon steel in 0.5 M HCl solution using Arthrospira platensis extract as green inhibitor

2020

Int. J. Corros. Scale Inhib.

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The study on the influence of Arthrospira platensis extract as a corrosion inhibitor on A516 carbon steel in 0.5 M HCl solution has been conducted. The extract was obtained by the maceration method and characterized by phytochemical analysis and infrared spectroscopy. The effect of corrosion inhibition of A. platensis extract was studied by weight loss method, electrochemical impedance spectroscopic measurements and scanning electron microscopy. The dosage of A. platensis extract was varied between 100 to 250 ppm. The results of phytochemical and FTIR analysis show that the extract of A. platensis revealed the presence of saponin, steroid and alkaloid compounds, along with hydroxyl, carbonyl, amine, and carboxylic groups, which are responsible for the adsorption on the carbon steel surface. The extract of A. platensis showed good performance at a dose of 250 ppm with inhibition efficiency of 66% at 298 K. The charge transfer resistance increases from 82 •cm 2 to 246 •cm 2 in the electrochemical impedance spectrum after the addition of 250 ppm A. platensis extract. The adsorption of this extract on the surface of A516 carbon steel obeys the Langmuir isotherm. Thermodynamic parameter of adsorption allows us to suggest the adsorption process was dominated by physical adsorption. SEM analysis supported the inhibitive action of the A. platensis extract against the carbon steel corrosion in acid media.

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“…Hydrochloric acid solutions are widely used in the stimulation of oil wells, acid cleaning and elimination of localized deposits. However, many synthetic corrosion inhibitors are dangerous to the environment and humans [1][2][3]. So, corrosion researchers focused on the use of Eco-friendly and non toxic corrosion inhibitors.…”

Section: Introductionmentioning

confidence: 99%

Expired Lorazepam Drug: A Medicinal Compound as Green Corrosion Inhibitor for Mild Steel in Hydrochloric Acid System

Raghavendra¹

2019

Chemistry Africa

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The present study explores the green corrosion inhibition property of expired Lorazepam tablet on the mild steel (MS) in 3M HCl solution using gravimetric (mass loss), atomic absorption, Tafel plot, electrochemical impedance, quantum chemical, and scanning electron microscopy (SEM) studies. It is found that; expired Lorazepam tablet shows the robust corrosion inhibition property (protection efficiency = 90%) on the MS at 0.4 g/L of expired Lorazepam drug (observed from the gravimetric studies) at 333 K with a contact time of 3 h. The significant enhancement in the protection performance of the expired Lorazepam tablet has been observed by atomic absorption spectroscopy technique. The results of Tafel plots show that, the presence of the expired Lorazepam tablet of different concentration decreases the both cathodic and anodic processes at MS in the 3M HCl solution by blocking the MS active sites and behave as a mixed mode corrosion inhibitor. Electrochemical impedance studies show that, increase in the amounts of expired Lorazepam tablet increases the charge transfer process at MS-HCl interface. The electron transfer nature of the expired Lorazepam tablet on the MS surface was confirmed from the Quantum chemical studies. The adsorbed invisible layer over the surface of MS was scrutinized by scanning electron microscopy technique.

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Red Algae Halopitys Incurvus Extract as a Green Corrosion Inhibitor of Carbon Steel in Hydrochloric Acid

Cited by 50 publications

References 57 publications

The brown algae Cystoseira Baccata extract as a friendly corrosion inhibitor on carbon steel in acidic media

The brown algae Cystoseira Baccata extract as a friendly corrosion inhibitor on carbon steel in acidic media

Corrosion inhibition of A516 carbon steel in 0.5 M HCl solution using Arthrospira platensis extract as green inhibitor

Expired Lorazepam Drug: A Medicinal Compound as Green Corrosion Inhibitor for Mild Steel in Hydrochloric Acid System

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