A Multi-component Corrosion Inhibitor for Carbon Steel (N-80) in Hydrochloric Acid
Publish place: 10th joint meeting of the 5th International Conference on Materials and Metallurgical Engineering Society and Iranian Foundry Society
Publish Year: 1395
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
IMES10_457
تاریخ نمایه سازی: 6 اردیبهشت 1396
Abstract:
Five blends namely BCPI (benzalkonium chloride 50 wt% solution + potassium iodide), COPI (caster oil polyethylene glycol ether + potassium iodide), EAPI (ethanoic acid + potassium iodide), MBPI (methylbenzene + potassium iodide) and CI-113 (a multi-component corrosion inhibitor comprising benzalkonium chloride 50 wt% solution, caster oil polyethylene glycol ether, ethanoic acid, methylbenzene, and potassium iodide) were evaluated as corrosion inhibitor for carbon steel (N-80) in hydrochloric acid (HCl) by using various chemical and electrochemical methods. CI-113 was found to be the best corrosion inhibitor at concentration of 5000 ppm. Our results demonstrate that percentage of inhibition efficiency (IE%) will be increased by increasing in concentration of CI-113 and temperature, and will be decreased by increasing in HCl concentration and immersion time. CI-113 behaves as a mixed-type inhibitor and its adsorption obeys Temkin s adsorption isotherm
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Authors
Saba Safayi
Researcher at Energy Storage Group
Abdolhossein Jahanmiri
Prof. of Chemical Engineering; School of Chemical and Petroleum Engineering, Shiraz University, Shiraz 71348-15939, Iran;
Sholeh Farshadfar
Head of Process and Mechanic Group; Institude of Mechanic,Iranian Space Research Center, Shiraz 71345, Iran
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