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Abstract
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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
Submitted: October 31, 2011
Accepted: December 20, 2011
Published: May 01, 2012 |
Abstract:
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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.
Key words: H2SO4, NaOH solutions, weight loss, , , ,
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Abstract
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Cite this Reference:
S.C. Nwigbo, V.N. Okafor and A.O. Okewale, . 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, (09): 1035-1039.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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