Performance of Mild Steel in Nitric Acid/<i>Carica Papaya</i> Leaf Extracts Corrosion System

Authors

  • Makanjuola Oki Landmark University
  • Paul A. L. Anawe
  • John Fasakin

Keywords:

Carica papaya, corrosion inhibitor, weight loss, gasometry

Abstract

Corrosion inhibition efficiency of leaf extracts from Carica papaya has being investigated using gravimetric, gasometric and thermometric techniques. Carica papaya leaf extracts reduced the corrosion rate of mild steel in 2.5M nitric acid by interfering with both anodic and cathodic reactions. The corrosion rate in the absence of the inhibitor was 840 mmpy while at 60% inhibitor concentration, it was 60 mmpy. The corrosion rate decreased rapidly initially as the concentration of the inhibitor increased and attained an efficiency of 93% at a concentration of 60%. The complimentary inhibition efficiencies, E%, obtained from thermometric and gasometric techniques are similar in values and range from about 93% to 96%. The adsorption of the active components of the leaf extracts follows the Langmuir adsorption isotherm

Author Biography

Makanjuola Oki, Landmark University

Currently, MAKANJUOLA OKI is an Associate Professor with a prima facie case for professor at Landmark University in the Department of Mechanical Engineering.

References

M. Oki, E. Charles, C. Alaka, T. K. Oki, “Corrosion inhibition of mild steel in HCl by tannins from Rhizophora racemosa,†Materials Science and Applications, vol. 2, pp. 592–595, 2011.

S. Banerjee, A. Mishra, M. M. Singh, B. Maiti, B. Ray, P. Maiti, “Highly efficient polyurethane ionomer corrosion inhibitor: the effect of chain structure,†RSC Advances, vol. 1, pp.199–210, 2011.

M. A. Amin, S. S. A. EI-Rehim, E. E. F. El-Sherbini, O. A. Hazzazi, M. N. Abbas, “Polyacrylic acid as a corrosion inhibitor for aluminium in weakly alkaline solutions. Part I:weight loss, polarization, impedance EFM and EDX studies,â€Corrosion Science, vol. 51, no. 3, pp. 658–667, 2009.

S. Banerjee, A. Mishra, M. M. Singh, P. Maiti, “Effects of naniclay and polyurethanes on inhibition of mild steel corrosion,†Journal of Nanoscience and Nanotechnology, vol. 11, no. 2, pp. 966–978, 2011.

*[5] R. Solmaz, G. Kardas¸, M. C¸ulha, B. Yazici, M. Erbil, “Investigation of adsorption and inhibitive effect of 2-mercaptothiazoline on corrosion of mild steel in hydrochloric acid media,†Electrochimica Acta, vol. 53, no. 20, pp. 5941–5952, 2008.

M. OKI, J.O.E. Otaigbe, T. K Oki, S. Otikor, “Corrosion inhibition of Aluminium in HCl by Amine Modified Epoxy Resinâ€, Journal of Materials.[Online]. (479728). p. 5 pages, 2013. Available from: http://dx.doi.org/10.1155/2013/479728. [Accessed: 28 April 2014]

L Jin, L Wang, D Chen, “Corrosion inhibition on hygroscopic inorganic dust-depressorâ€, J. Univ. Sci. Technol. Beijing, vol.13, No4, pp 368-371, 2006.

S. K Boocock, “Non-chromate corrosion inhibitor formulas based on permanganate sodalite compositions†US patent 0075113A1, 2009.

P. Visser, “Novel chrome-free system resists attack on aluminium alloysâ€, European coatings Journal, vol.12, pp 87-92, 2010.

M. W. Kendig, R. G. Buchheit, “Corrosion Inhibition of Aluminium and Aluminium Alloys by Soluble Chromates, Chromate Coatings, and Chromate-Free Coatingsâ€, Corrosion, 59 (5). pp 379–400, 2003.

E. Chaaieb, A. Bouyanzer, B. Hammouti, M. Berrabah, “Limonene as green inhibitor for steel corrosion in HCl solutionâ€, Acta Phys-Chim., vol.25 (7). pp. 1254 -1258, 2009.

A. Y. El-Etre, M. Abdallah, Z. E. El-Tantawy, “Corrosion inhibition of some metals using Lawsonia extractâ€, Corrosion Science, 47(2). p. 385–395, 2005.

*[13] M. A. Amin, S. S. Abd El-Rehim, E. E. F. El-Sherbini, O. A. Hazzazi,â€Polyacrylic acid as corrosion inhibitor for aluminium in weakly alkaline solutions. Part I: Weight loss, polarization, impedance EFM and EDX studiesâ€, 51(3). pp. 658-667, 2009.

S. Senthil Kumaran, Kishore Kumar, “Effect of vegetal and synthetic tannins on the corrosion protection of metals, “Proceedings of the national conference on emerging trends in mechanical engineering 2K13, pp.357-362, 119.18.60.68, 2013.

P. C. Okafor, E. E. Ebenso, U. J. Ekpe, “Azadirachta Indica extracts as corrosion inhibitor for mild steel in acid medium†Int. J. Electrochem. Sci., 5, pp.978-993, 2010.

P. Bothi, R. Afidah Rahim, H. Osman, K. Awang, “Inhibitive effect of Xylopia ferruginea extract on the corrosion of mild steel in 1M HCl medium†Int. J of mineral, metallurgy and materials,18 (4), pp.413-418, 2011.

A. Eid Al-Rawajfeh, U. Al Qawabeha “Influence of diamond pressing process on corrosion resistance in steelâ€, Materials Science and Engineering A, 456(1-2), 133.137. DOI: /10.1016/j.msea.2007.01.070.2007

U. J Ekpe, U. J Ubok, B. I. Ita, O. E. Offiong, E. E. Ebenso, “Inhibitory action of methyl and phenyl thiosemicarbazone derivatives on the corrosion of mild steel in hydrochloric acid†Mater. Chem. Phys. 40, pp 87-93, 1995.

S. A. Umoren, I. B. Obot, E. E. Ebenso, N. O. Obi-Egbedi, Synergistic Inhibition between Naturally Occurring Exudate Gum and Halide Ions on the Corrosion of Mild Steel in Acidic Mediumâ€Int. J. Electrochem. Sci., 3,pp. 1029-1034, 2008.

U. R. Evans, “Behaviour of Metals in Nitric Acid†in Trans. Faraday Society, 40, pp. 120-130, 1944.

H. H. Uhlig, Corrosion Handbook, The Electrochemical Society, New York, NY, pp. 133-134, 1948

Downloads

Published

2015-02-15

How to Cite

Oki, M., Anawe, P. A. L., & Fasakin, J. (2015). Performance of Mild Steel in Nitric Acid/<i>Carica Papaya</i> Leaf Extracts Corrosion System. Asian Journal of Applied Sciences, 3(1). Retrieved from https://www.ajouronline.com/index.php/AJAS/article/view/1836

Issue

Vol. 3 No. 1 (2015): February 2015

Section

Articles

License

  • Papers must be submitted on the understanding that they have not been published elsewhere (except in the form of an abstract or as part of a published lecture, review, or thesis) and are not currently under consideration by another journal published by any other publisher.
  • It is also the authors responsibility to ensure that the articles emanating from a particular source are submitted with the necessary approval.
  • The authors warrant that the paper is original and that he/she is the author of the paper, except for material that is clearly identified as to its original source, with permission notices from the copyright owners where required.
  • The authors ensure that all the references carefully and they are accurate in the text as well as in the list of references (and vice versa).
  • Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Attribution-NonCommercial 4.0 International that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.
  • Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.
  • Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work (See The Effect of Open Access).
  • The journal/publisher is not responsible for subsequent uses of the work. It is the author's responsibility to bring an infringement action if so desired by the author.