Optimization of chicken nail extracts as corrosion inhibitor on mild steel in 2M H2SO4

Olawale, O.; Bello, J. O.; Ogunsemi, B.T.; Uchella, U.C.; Oluyori, Abimbola Peter; Oladejo, N. K.

doi:10.1016/j.heliyon.2019.e02821

Cited by 25 publications

(6 citation statements)

References 28 publications

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“…This showed that the experimental data obtained for the Inhibition Efficiency are statistically consistent and the second order polynomial model selected was suitable for modelling the second-order polynomial equation in final equation terms of the coded values of the process parameters as showed above. This agrees with the work of [16]. Table 6 and Fig.…”

Section: Optimization Of the Inhibition Process Using Response Surface Methodology (Rsm)supporting

confidence: 93%

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Optimization of Blended Guava and Fluted Pumpkin Leaves extract as corrosion inhibitor of mild steel in 0.5 m hydrochloric acid

Nwachukwu¹,

Dagwa²,

Iyenagbe³

2021

Nig. J. Tech.

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There are many plant extracts that have been studied for possible use as corrosion inhibitors in the oil and gas industries. Hence, this work is focused on optimization of blended Guava and Fluted Pumpkin Leaves extract as corrosion inhibitor of mild steel in HCI using Weight loss method. Response Surface Methodology of Design Expert trial version 12 StatEase was used to design and analyze the result of the 35-run experiments. Three factor-three level was adopted in the design. Time, Temperature and Inhibitor Quantity were the independent variables, while the acid concentration of 0.5M was constant throughout the experiments and Inhibition Efficiencies were measured using IE formula. Intervals of 1 hr, 0.2g, and 10°C were chosen for the immersion time, inhibitor quantity and temperature, respectively. Phytochemical analysis carried out on the Guava and Fluted Pumpkin Leaves shows that each leaf extract contains phytochemicals which are responsible for inhibiting corrosion. Weight loss result shows that the Blended extract reduces the corrosion rate of mild steel in 0.5M HCl. Additionally, 4 experiments for Blended Extract, Fluted Pumpkin, Guava Extract and Industrial Inhibitor were carried out at optimal conditions as predicted by the software at time 4.036 hr, temperature 49.5°C, inhibitor quantity 0.487g and ratio of 59.21GE:FP40.79 Inhibition Efficiencies of the Blended, Fluted Pumpkin, Guava Extracts and Industrial Inhibitor were 93.70%, 78.14%, 63.7% and 95.18%, respectively. The results show that the blended and Industrial Inhibitor compared well with the software predicted IE of 96.085%. Therefore, the blended extract could serve as good substitute to the industrial inhibitor.

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Section: Optimization Of the Inhibition Process Using Response Surface Methodology (Rsm)supporting

confidence: 93%

“…Weight loss measurement was conducted under total immersion using a 250ml beaker containing prepared solution at a temperature range of 30℃ to 50℃ which was placed in a thermostatregulated water bath, a method adopted by [16] in his study.…”

Section: Weight Loss Measurementmentioning

confidence: 99%

Optimization of Blended Guava and Fluted Pumpkin Leaves extract as corrosion inhibitor of mild steel in 0.5 m hydrochloric acid

Nwachukwu¹,

Dagwa²,

Iyenagbe³

2021

Nig. J. Tech.

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“…It was observed from Figure 4(a) that the blank coupon was highly corroded with cracks, futher more, it was observed from Figure 4(b) (best level) gotten from experimental design that there were formation of plain layer with protective film which was as a result of the protective layer formed by the extract, while in Figure 4(c) optimal level that was validated showed more protective film was formed, which can be attributed to adsorption. This result was supported by (Olawale et al, 2019) findings on the inhibiting effects of Chicken Nails Extract (CNE) on mild steel corrosion in 2M H 2 SO 4 , as well as Anadebe et al (2018) findings on mild steel corrosion in acid medium with bitter kola leaf extract as an inhibitor and Anadebe et al (2019) findings on the application of pigeon pea leaf (PPL) extract as an anti-corrosion agent for mild steel.in acid environment (HCl solution).…”

Section: Scanning Electron Microscopymentioning

confidence: 59%

Corchorus olitorius stem as corrosion inhibitor on mild steel in sulphuric acid

Oyewole

Oshin

Atotuoma

2021

Heliyon

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The corrosion inhibition of mild steel in 0.5M H 2 SO 4 solution was studied in the presence of Corchorus olitorius stem extract as inhibitor. Phytochemical analysis results confirmed the presence of organic constituents such as Alkaloids, Tannins, Glycosides, Saponins and Flavonoids which made the Corchorus olitorius stem extract act as a good inhibitor. The highest inhibition efficiency as observed from the experimental design was 93.29%, with process levels of 4 days, temperature: 60 C and inhibitor concentration: 1.0 g/L respectively. The optimal process levels were: 4.11 days, temperature: 48.92 C and inhibitor concentration: 1.16 g/L respectively, which gave an inhibition efficiency of 94.34%. The result from the Scanning Electron Micrographs showed that via the validated experiment, a more passive layer of film was formed on the surface of the coupon, confirming the high efficiency of the Corchorus olitorius extract's inhibiting role in corrosion prevention.

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“…It can be concluded that SVSE contains some unique functional groups. The empty orbitals of these organic functional groups can effectively adsorb onto the surface of CS, ultimately slowing down its corrosion [48].…”

Section: Ftir Analysismentioning

confidence: 99%

Shell of Viviparid Snail as an Eco-Friendly Corrosion Inhibitor for Carbon Steel in 1 M HCl

et al. 2023

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The shell of viviparid snail extract (SVSE) was prepared by a simple and environmentally friendly hydrolysis method and the corrosion inhibition of carbon steel (CS) by SVSE in 1 M HCl was investigated. HPLC and FTIR analysis showed that the main component of SVSE was a mixture of various amino acids. The results of electrochemical and surface analysis showed that SVSE is a hybrid corrosion inhibitor with a corrosion inhibition efficiency of 95.23%. In addition, the adsorption behavior of SVSE on CS surfaces was also investigated in depth by adsorption isotherms, quantum chemistry (QC) and molecular dynamics simulations (MDS).

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Optimization of chicken nail extracts as corrosion inhibitor on mild steel in 2M H2SO4

Cited by 25 publications

References 28 publications

Optimization of Blended Guava and Fluted Pumpkin Leaves extract as corrosion inhibitor of mild steel in 0.5 m hydrochloric acid

Optimization of Blended Guava and Fluted Pumpkin Leaves extract as corrosion inhibitor of mild steel in 0.5 m hydrochloric acid

Corchorus olitorius stem as corrosion inhibitor on mild steel in sulphuric acid

Shell of Viviparid Snail as an Eco-Friendly Corrosion Inhibitor for Carbon Steel in 1 M HCl

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