Paper Title:
Electrochemical Behavior of Tubular Steel Corrosion in Brine Containing High Contents of H2S and CO2
  Abstract

There were little works about electrochemical corrosion behaviors that appeared in high H2S and CO2 containing environment. In this work, the electrochemical behaviors of tubular steel API-P110 in buffered acidic NaCl solutions saturated with high H2S and CO2 containing gases, were investigated by potentiodynamic sweep technique. Analysis of the results shows corrosion density declines with increasing CO2 content in H2S/CO2. The corrosion potential of steel moves towards more negatively with the increase of CO2 content in H2S/CO2. In pH 2.9 solution, Passivity appears in high H2S and CO2, but no passivity shows in due to decreasing in high H2S. In pH 5.3 solution, cathodic liming density comes out and increases with the increasing CO2 content in H2S/CO2, however, no cathodic liming density comes out in H2S.

  Info
Periodical
Advanced Materials Research (Volumes 284-286)
Chapter
Materials Chemistry
Edited by
Xiaoming Sang, Pengcheng Wang, Liqun Ai, Yungang Li and Jinglong Bu
Pages
2131-2135
DOI
10.4028/www.scientific.net/AMR.284-286.2131
Citation
H. D. Deng, C. F. Li, X. L. Cao, M. Y. Zhao, "Electrochemical Behavior of Tubular Steel Corrosion in Brine Containing High Contents of H2S and CO2", Advanced Materials Research, Vols. 284-286, pp. 2131-2135, 2011
Online since
July 2011
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Price
$32.00
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