The Behavior of Olive Stone Powder at High Temperature Steel Corrosion

Rami A. Qassim, Sahib M. Mahdi and Jafar G. Majeed
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Rami A. Qassim: Al-Mustansiriyah University, college of engineering, Materials engineering department
Sahib M. Mahdi: Materials Engineering Department, College of Engineering, Mustansiriyah University, Baghdad, Iraq
Jafar G. Majeed: Materials Engineering Department, College of Engineering, Mustansiriyah University, Baghdad, Iraq

European Journal of Engineering and Technology Research, 2018, vol. 3, issue 2, 27-30

Abstract: Corrosion of metals is the most significant and difficult life problems, especially its produce an economical losses, therefore, many researches carried out in various fields in order to reduce the bad effect of corrosion, particularly in acidic environments. Using corrosion inhibitors is one of the methods of prevention corrosion, which come up on organic and inorganic materials, in this study, dried Olive stone powder used as corrosion inhibitor in solutions of hydrochloric acid with concentrations of 0.5, 1 and 1.5 molarity at 40 and 55 , where 10 gm per litter of acid. The corrosion rates of mild steel samples were measured using potentiostat device with reference of calomel electrode. The result shows that corrosion rate reduced by adding the Olive stone powder. The highest inhibition efficiency percent for acid solutions with concentration of 1.5 molarity is 93.8% at 55 , while the lowest was 49.6% in the 0.5 molarity solution at 55 . The chemical composition of the Olive stone powder is shown to be an organic matter of a high carbon and hydrogen content making a carbonyl compound which has the greatest effect in inhibition corrosion in acidic solutions such as hydrochloric acid.

Keywords: Olive Stone Powder; HCl Acid Medium; Mild Steel; Inhibitor; Potentiostat (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:epw:ejeng0:v:3:y:2018:i:2:id:60616

DOI: 10.24018/ejeng.2018.3.2.616

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