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11293 Effect of H2S/CO2 Corrosion Scale on Hydrogen Permeation

Product Number: 51300-11293-SG
ISBN: 2011 11293 CP
Author: Wenhui Hao, Lei Zhang, Han Li, Minxu Lu and Lining Xu
Publication Date: 2011
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In this paper, electrochemical hydrogen permeation method is employed to investigate the effects of H2S/CO2 corrosion scales on the hydrogen permeation of pipeline steel. In order to reveal the mechanisms of this kind of phenomena under high H2S partial pressure, high temperature and pressure corrosion simulation experiments and Devanathan-Stachurski cell tests are used to analyze the effects of different corrosion product scales on hydrogen permeation under various H2S containing environment condition. The results show that, the scale dominated by Mackinawite promoted the hydrogen permeation behavior, otherwise the scale dominated by Pyrrhotite reduced the steady state flux of hydrogen.

Key words: H2S/CO2 corrosion, corrosion scale, hydrogen permeation, pipeline steel
In this paper, electrochemical hydrogen permeation method is employed to investigate the effects of H2S/CO2 corrosion scales on the hydrogen permeation of pipeline steel. In order to reveal the mechanisms of this kind of phenomena under high H2S partial pressure, high temperature and pressure corrosion simulation experiments and Devanathan-Stachurski cell tests are used to analyze the effects of different corrosion product scales on hydrogen permeation under various H2S containing environment condition. The results show that, the scale dominated by Mackinawite promoted the hydrogen permeation behavior, otherwise the scale dominated by Pyrrhotite reduced the steady state flux of hydrogen.

Key words: H2S/CO2 corrosion, corrosion scale, hydrogen permeation, pipeline steel
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51314-3938-Effect of H2S Content and Corrosion Products on Hydrogen Permeation of Pipeline Steel

Product Number: 51314-3938-SG
ISBN: 3938 2014 CP
Author: DaPeng Li
Publication Date: 2014
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