| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Mendibide, Christophe
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (23/23 displayed)
- 2024Effect of degraded environmental conditions on the service behavior of a X65 pipeline steel not designed for hydrogen transportcitations
- 2021Corrosion and hydrogen permeation in H2S environments with O2 contamination – Part 3: the impact of acetate-buffered test solution chemistrycitations
- 2021Corrosion behavior of aluminum alloy 5754 in cement‐based matrix‐simulating nuclear waste disposal conditionscitations
- 2021Stress corrosion cracking susceptibility of P285NH and API 5L X65 steel grades in the high‐level radioactive waste repository cell conceptcitations
- 2020Impact of oxygen contamination on the electrochemical impedance spectroscopy of iron corrosion in H2S solutionscitations
- 2020Impact of oxygen contamination on the electrochemical impedance spectroscopy of iron corrosion in H2S solutionscitations
- 2019Corrosion and hydrogen permeation of low alloy steel in H2S-containing environments : the effect of test buffer solution chemistry
- 2019Corrosion and hydrogen permeation of low alloy steel in H2S-containing environments : the effect of test buffer solution chemistry
- 2019EIS study of iron and steel corrosion in aqueous solutions at various concentrations of dissolved H2S : impact of oxygen contamination.
- 2019EIS study of iron and steel corrosion in aqueous solutions at various concentrations of dissolved H2S : impact of oxygen contamination.
- 2019Corrosion and Hydrogen Permeation in H2S Environments with O2 Contamination, Part 2: Impact of H2S Partial Pressurecitations
- 2019Corrosion and Hydrogen Permeation in H2S Environments with O2 Contamination, Part 2: Impact of H2S Partial Pressurecitations
- 2018Electrochemical impedance spectroscopy of iron corrosion in H 2 S solutionscitations
- 2018Electrochemical impedance spectroscopy of iron corrosion in H 2 S solutionscitations
- 2018Corrosion of Pure iron and Hydrogen Permeation in the Presence of H 2 S with O 2 contamination
- 2018Corrosion of Pure iron and Hydrogen Permeation in the Presence of H 2 S with O 2 contamination
- 2018Corrosion of pure iron and hydrogen permeation in the presence of H2S with O2 contamination
- 2018Electrochemical study of oxygen impact on corrosion and hydrogen permeation of Armco iron in the presence of H 2 S
- 2018Electrochemical impedance spectroscopy of iron corrosion in H2S solutions
- 2017Impact of Oxygen on Corrosion and Hydrogen Permeation of Pure iron in the Presence of H2S
- 2017Impact of Oxygen on Corrosion and Hydrogen Permeation of Pure iron in the Presence of H2S
- 2017Impact of Oxygen on Corrosion and Hydrogen Permeation of Pure iron in the Presence of H2S
- 2008Raman mapping of corrosion products formed onto spring steels during salt spray experiments. A correlation between the scale composition and the corrosion resistancecitations
Places of action
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article
Corrosion and Hydrogen Permeation in H2S Environments with O2 Contamination, Part 2: Impact of H2S Partial Pressure
Abstract
Materials selection in the oil and gas industry relies on engineering standards, such as NACE TM0177 and NACE TM0284, which stipulate that oxygen contamination should be avoided during materials testing in H 2 S-containing media. In this second paper, as part of a series of articles that evaluates how traces of oxygen modify the corrosion of pure iron and hydrogen permeation across iron membranes in H 2 S-containing solutions, the impact of changing the H 2 S partial pressure from 100 kPa to 0.1 kPa was investigated. It was found that bulk solution chemistry for all H 2 S partial pressures changes with time, due to the formation of H 2 SO 2 reaction products (sulfates, sulfites, and thiosulfates), which results in bulk solution acidification. Electrochemical and weight-loss measurements confirm that Fe corrosion rates in baseline well-deaerated H 2 S-containing solutions decrease with decreasing H 2 S partial pressure, although these are observed to be much higher under continuous oxygen contamination. With decreasing H 2 S partial pressure, hydrogen uptake in Fe also decreases, due to lower and lower concentrations of dissolved H 2 S and the associated increase in pH. However, even at 1 kPa and 0.1 kPa H 2 S, permeation effciencies remain close to 100% when no O 2 contamination is present. The hydrogen uptake is always relatively lower in Fe exposed to oxygen-polluted H 2 S solutions. Permeation efficiencies decrease continuously. From electrochemical data and surface characterization, these observations at lower H 2 S partial pressures are attributed to the disruptive effect of oxygen on the nature of sulfide corrosion products, and hydrogen entry promotion, along with the contribution of an additional cathodic reaction that does not result in hydrogen entry into the metal.