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Inhibition of Steel-Rebar Corrosion in Industrial/Microbial Simulating-Environment by <i>Morinda lucida</i>

Okeniyi, Joshua Olusegun and Loto, Cleophas Akintoye and Popoola, Abimbola Patricia Idowu (2015) Inhibition of Steel-Rebar Corrosion in Industrial/Microbial Simulating-Environment by <i>Morinda lucida</i>. Solid State Phenomena, 227. pp. 281-285.

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Abstract

This paper studies inhibition of steel-rebar corrosion in concrete immersed in 0.5 M H<inf>2</inf>SO<inf>4</inf>, simulating industrial/microbial environment by the leaf extract of Morinda lucida. Electrochemical monitoring methods were employed for testing different concentrations of the leaf extract admixed in duplicated specimens of steel-reinforced concrete slabs immersed in the acidic test-system. Statistical analyses as per ASTM G16-95 R04 of the experimental results showed that effectiveness of Morinda lucida at inhibiting concrete steel-rebar corrosion increased with the concentration of the admixture. 0.4167% Morinda lucida, per weight of cement, was identified with optimum inhibition efficiency η = 98.78±0.34% followed in effectiveness by 0.3333% Morinda lucida with η = 93.20±1.76% at inhibiting steel-rebar corrosion in the corrosive test-environment. © (2015) Trans Tech Publications, Switzerland.

Item Type: Article
Additional Information: Edited by: Joanna Michalska and Maciej Sowa
Uncontrolled Keywords: Corrosion; Industrial/microbial environment; Inhibition efficiency; Inhibitor; Steel reinforcing bar corrosion
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
Q Science > QD Chemistry
S Agriculture > S Agriculture (General)
T Technology > T Technology (General)
T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TD Environmental technology. Sanitary engineering
T Technology > TH Building construction
T Technology > TJ Mechanical engineering and machinery
T Technology > TP Chemical technology
Divisions: Faculty of Engineering, Science and Mathematics > School of Chemistry
Faculty of Engineering, Science and Mathematics > School of Civil Engineering and the Environment
Faculty of Engineering, Science and Mathematics > School of Engineering Sciences
Faculty of Engineering, Science and Mathematics > School of Mathematics
Faculty of Engineering, Science and Mathematics > School of Physics
Depositing User: Dr Joshua Olusegun Okeniyi
Date Deposited: 15 Aug 2016 10:23
Last Modified: 15 Aug 2016 10:23
URI: http://eprints.covenantuniversity.edu.ng/id/eprint/6863

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