Journal :   Asian Journal of Research in Chemistry

Volume No. :   4

Issue No. :  9

Year :  2011

Pages :   1404-1407

ISSN Print :  0974-4169

ISSN Online :  0974-4150


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Corrosion Inhibitors for Acidization of Petroleum Oil Well

Address:   M. Yadav* and Usha Sharma
Department of Applied Chemistry, ISM Dhanbad-826004, India
*Corresponding Author

An important method of protecting metallic materials against deterioration due to corrosion is by the use of corrosion inhibitors. In the present investigation, corrosion inhibition study of two imidazoline derivatives, 1-(2-hydroxy ethyl)-2-methylimidazoline (Inh I) and 1-(2-hydroxyethyl)-2-decylimidazoline (Inh II)) have been performed for oil-well tubular steel (N-80) in 15% HCl using weight loss, electrochemical polarization and SEM techniques. The inhibition efficiencies of the inhibitors follow the sequence, Inh II > Inh I. The results showed that inhibition efficiency of both the inhibitors increased with increase in inhibitors concentration. Both inhibitors act as mixed inhibitors and obey the Langmuir adsorption isotherm. Corrosion inhibition mechanism take place through adsorption phenomenon.
Imidazoline derivatives ; N80 steel; 15% HCl ; Corrosion inhibition.
M. Yadav, Usha Sharma. Corrosion Inhibitors for Acidization of Petroleum Oil Well. Asian J. Research Chem. 4(9): Sept, 2011; Page 1404-1407.
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