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Corrosion resistance of the anti-sulfide steel in the CO2/H2S containing solutions

✍ Scribed by Z. Q. Bai; Z. F. Yin; D. Wei; X. F. Wang; C. X. Yin

Publisher
John Wiley and Sons
Year
2009
Tongue
German
Weight
466 KB
Volume
61
Category
Article
ISSN
0947-5117

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✦ Synopsis

The present work primarily investigates the corrosion characterization of the common P110 steel and the anti-sulfide P110SS steel in CO 2 -containing solution with or without hydrosulfuric acid (H 2 S) at 70 8C. The electrochemical techniques such as potentiodynamic polarization sweep and electrochemical impedance spectroscopy (EIS) were used to disclose the differences of the corrosion mechanisms between both P110 and P110SS steels in CO 2 -containing solution with various additions of H 2 S. The EIS data fitted by ZsimpWin software were analyzed and discussed. The experimental results indicated that H 2 S could accelerate and also inhibit the corrosion attack according to the changes of corrosive environments.

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