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2012 (Vol. 4, Issue: 09)
Article Information:

Comparative Study of Elaeis Guiniensis Exudates (Palm Wine) as a Corrosion Inhibitor for Mild Steel in Acidic and Basic Solutions

S.C. Nwigbo, V.N. Okafor and A.O. Okewale
Corresponding Author:  S.C. Nwigbo 

Key words:  H2SO4, NaOH solutions, weight loss, , , ,
Vol. 4 , (09): 1035-1039
Submitted Accepted Published
October 31, 2011 December 20, 2011 May 01, 2012
Abstract:

This study has explored the possibility of using a typical plant extract other than the use of conventional materials as corrosion inhibitor. Elaeis guinensis exudates (Palm wine), which contains carbonyl groups, double bonds and triple bonds as shown by the FTIR, Gas chromatography-mass spectrometry and phytochemical tests is a one of good natural materials as corrosion inhibitor. This paper was focused on the behaviour of palm wine as corrosion inhibitor for mild steel in (0.1 and 0.5 M) H2SO4 and NaOH solutions at 303 and 333 K temperatures and inhibitor concentrations using weight loss measurement. Results showed that weight loss decreases as concentration of both solutions studied increase. The inhibitor performs better under the basic solution compared to the acidic solution. The kinetics results showed that activation energy increases as temperature and inhibitors concentration increase. Palm wine inhibitor adsorbed on the surface of mild steel through physical adsorption.
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  Cite this Reference:
S.C. Nwigbo, V.N. Okafor and A.O. Okewale, 2012. Comparative Study of Elaeis Guiniensis Exudates (Palm Wine) as a Corrosion Inhibitor for Mild Steel in Acidic and Basic Solutions.  Research Journal of Applied Sciences, Engineering and Technology, 4(09): 1035-1039.
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