Study of 1,2,4-Triazole As Effective Corrosion Inhibitor For Mild Steel Used In Oil And Gas Industries In 1M HCl

Authors

  • Pratap Kamble   Department of Chemistry, R. Jhunjhunwala College, Ghatkopar (W), Mumbai, Maharashtra, India
  • R. S. Dubey   Department of Chemistry, R. Jhunjhunwala College, Ghatkopar (W), Mumbai, Maharashtra, India

Keywords:

Triazole, Mild Steel, Inhibitor, Surface Morphology

Abstract

The corrosion inhibition effect of 1,2,4-triazole on mild steel in 1 M HCl solution has been investigated by weight loss, open circuit potential (OCP) and potentiodynamic polarization methods. The experimental results revealed that the compound having significant inhibiting effect on the corrosion of mild steel in 1M HCl solution. The inhibition efficiency was found to increase with increasing concentration of inhibitor and attain maximum value of 93% at 500 ppm concentration. Potentiodynamic polarization studies have shown that the compound acted as mixed-type inhibitor retarding the corrosion of mild steel by blocking the active sites of metal surface. The values of inhibition efficiency obtained from weight loss and polarization measurements are in good agreement. The adsorption of the inhibitor on mild steel surface followed Langmuir adsorption isotherm with negative value of the free energy of adsorption ?G0ads.The surface morphology of the mild steel specimen was evaluated by using scanning electron microscopy(SEM)and energy dispersive x-ray analysis(EDAX) techniques.

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International Journal of Scientific Research in Science, Engineering and Technology

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Published

2018-02-28

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Volume 5, Issue 4, January-February-2018

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Research Articles

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[1]
Pratap Kamble , R. S. Dubey , " Study of 1,2,4-Triazole As Effective Corrosion Inhibitor For Mild Steel Used In Oil And Gas Industries In 1M HCl, International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 5, Issue 4, pp.95-102, January-February-2018.