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Modelling and Optimization of Corrosion Inhibition of Mild Steel in Phosphoric Acid by Red Pomegranate Peels Aqueous Extract

Journal of Engineering

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Title Modelling and Optimization of Corrosion Inhibition of Mild Steel in Phosphoric Acid by Red Pomegranate Peels Aqueous Extract
 
Creator Rashid, Khalid Hamid
Shakor, Zaidoon Muhsen
Ahmed, Ayad Bahaddin
 
Description Taguchi experimental design (TED) is applied to find the optimum effectiveness of aqueous Red Pomegranate Peel (RPP) extract as a green inhibitor for the corrosion of mild steel in 2M H3PO4 solution. The Taguchi methodology has been used to study the effects of changing, temperature, RPP concentration and contact period, at three levels. Weight-loss measurements were designed by construction a L9 orthogonal arrangement of experiments.   Results of the efficiencies of inhibition were embraced for the signal to noise proportion & investigation of variance (ANOVA).  The results were further processed with a MINITAB-17 software package to find the optimal conditions for inhibitor usage. Second order polynomial model was used for experimental data fitting. Optimum conditions for achieving the maximum corrosion inhibition efficiency are obtained from optimizing the above model and are found as follow: 39.66 °C temperature of acidic media, 38.29 ml/L inhibitor concentration and 2.95 h contact period. Results demonstrated that rate of corrosion was increased with temperature increasing & decreasing inhibitor concentration.  It was concluded that the Taguchi design was adequately useful in the optimization of operating parameters and that RPP sufficiently inhibited the corrosion of steel at the range of variables studied.
 
 
Publisher College of Engineering | University of Baghdad
 
Date 2017-11-01
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://joe.uobaghdad.edu.iq/index.php/main/article/view/360
 
Source مجلة الهندسة; مجلد 23 عدد 11 (2017): Journal of Engineering (Eng. J.); 25-42
Journal of Engineering; Vol 23 No 11 (2017): Journal of Engineering (Eng. J.); 25-42
2520-3339
1726-4073
 
Language eng
 
Relation http://joe.uobaghdad.edu.iq/index.php/main/article/view/360/312
 
Rights Copyright (c) 2017 Eng. J.