Inhibitive Potential of Prosopis Africana on Corrosion of Low Carbon Steel in 1M Hydrochloric Acid Medium.

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dc.contributor.authorShuaib–Babata, Y. L.,
dc.contributor.authorIbrahim, H. K.,
dc.contributor.authorAmbali, I. O.,
dc.contributor.authorYahya, R. A.,
dc.contributor.authorAjao, K. S.,
dc.contributor.authorAremu, N. I.,
dc.contributor.authorPelumi, A. A.
dc.date.accessioned2021-10-12T10:35:38Z
dc.date.available2021-10-12T10:35:38Z
dc.date.issued2019-06-20
dc.description.abstractRecently, there is quest for the use of inexpensive, non-toxic, non-biodegradable, readily available and environmentally acceptable corrosion inhibitor. Studies have shown that these properties could be achieved through the use of plants as inhibitor. Inhibiting effect of Prosopis Africana(Iron Tree) seed extracts were assessed on a sample of low carbon steel in 1M HCl with varying proportion of the seed extract using gravimetric, Tafel polarization and gasometrical measurement techniques. The results show that weight loss/corrosion rate decreases with increase in the extracts’ concentrations. Good inhibiting efficiency of Prosopis Africanaextracts with optimum inhibiting efficiency of 97.7% at 1.0 g/l after 120 hours exposure in gravimetric measurement was attained. TAFEL polarization results revealed that the Prosopis Africanaextract shows that the corrosion current density decreases with the increase in the concentration of the extract. The extractis found suitable as green inhibitor for corrosion of low carbon steel in the studied medium.en_US
dc.description.sponsorshipDr. Y. L. Shuaib–Babataen_US
dc.identifier.citationShuaib–Babata, Y. L., Ibrahim, H. K., Ambali, I. O., Yahya, R. A., Ajao, K. S., Aremu, N. I., Pelumi, A. A. (2019): Inhibitive Potential of Prosopis Africana on Corrosion of Low Carbon Steel in 1M Hydrochloric Acid Medium. International Journal of Engineering Materials and Manufacture. 4(2); 66-76. https://doi.org/10.26776/ijemm.04.02.2019.04en_US
dc.identifier.otherhttps://doi.org/10.26776/ijemm.04.02.2019.04
dc.identifier.urihttps://uilspace.unilorin.edu.ng/handle/20.500.12484/6565
dc.language.isoenen_US
dc.publisherPublished by Deer Hill Publications, B-19-06 PV8, Platinum Hill Condominium Jalan Melati Utama, 53100 Kuala Lumpur Malaysia.en_US
dc.relation.ispartofseries4(2);66-76
dc.subjectMild steelen_US
dc.subjectProsopis Africanaen_US
dc.subjectWeight lossen_US
dc.subjectInhibiting efficiencyen_US
dc.subjectTafel Polarizationen_US
dc.titleInhibitive Potential of Prosopis Africana on Corrosion of Low Carbon Steel in 1M Hydrochloric Acid Medium.en_US
dc.typeArticleen_US

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The inhibition of the corrosion of the low carbon steel in the acidic solution by Prosopis Africanaseed extracts is due to the phytochemical constituents of the plant extract. The corrosion rate of the low carbon steel in the acidic solution (HCl) solutiondecreases with increase in the concentration of Prosopis Africanaseed extract. The optimum percentage inhibition efficiency of Prosopis Africana(97.7%) was attained with 1.0 g/l concentration of the extract after 120 hours of exposure. In gravimetric technique, the Prosopis Africanaseed extract’s inhibition efficiency depends on its concentration. The efficiency decreases with increase in the extract’s concentration in the medium. Tafel polarization technique result showed that the extract acted as a missed type inhibitor via a simple absorption of the phytochemicals present in the extract on the low carbonsteel surface in HCl. Gasometric technique revealed quicker formation of passive layer on the surface of the metal in the solution containing Prosopis Africanaseed extract (inhibitors). Thus, the higher the inhibitor concentration in a solution, the quicker the passivity level would be reached.
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