The effect of temperature on carbon steel corrosion under geological conditions

Y. El Mendili, A. Abdelouas, G. Karakurt, A. Aït Chaou, Rachid Essehli, J. F. Bardeau, J. M. Grenèche

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

We investigated the role of temperature on the carbon steel corrosion under simulated geological conditions. To simulate the effect of temperature increase due to radioactive decay, we conducted batch experiments using Callovo-Oxfordian (COx) claystone and synthetic water formation with steel coupons at 30. °C and 90. °C for 6. months. The corrosion products have been studied by scanning electron microscope/energy dispersive X-ray spectroscopy, X-ray diffraction and micro-Raman spectroscopy. At 30. °C, experiments showed the formation of magnetite and iron sulphide, indicating the activation of sulphate-reducing bacteria. At 90. °C a continuous iron sulphide layer was identified on steel surface due to the reduction by hydrogen of pyrite originating from claystone into pyrrhotite and hydrogen sulphide. Thus, sulphide production may occur even in the absence of microbial activity at high temperature and must be taken into consideration regarding the near-field geochemical evolution.

Original languageEnglish
Pages (from-to)76-85
Number of pages10
JournalApplied Geochemistry
Volume52
DOIs
Publication statusPublished - 1 Jan 2015
Externally publishedYes

Fingerprint

Steel corrosion
Sulfides
Carbon steel
corrosion
iron sulfide
claystone
steel
Steel
carbon
Iron
Ferrosoferric Oxide
Hydrogen Sulfide
radioactive decay
Oxfordian
temperature
Pyrites
formation water
Hydrogen sulfide
sulfate-reducing bacterium
Raman spectroscopy

ASJC Scopus subject areas

  • Environmental Chemistry
  • Pollution
  • Geochemistry and Petrology

Cite this

El Mendili, Y., Abdelouas, A., Karakurt, G., Aït Chaou, A., Essehli, R., Bardeau, J. F., & Grenèche, J. M. (2015). The effect of temperature on carbon steel corrosion under geological conditions. Applied Geochemistry, 52, 76-85. https://doi.org/10.1016/j.apgeochem.2014.11.008

The effect of temperature on carbon steel corrosion under geological conditions. / El Mendili, Y.; Abdelouas, A.; Karakurt, G.; Aït Chaou, A.; Essehli, Rachid; Bardeau, J. F.; Grenèche, J. M.

In: Applied Geochemistry, Vol. 52, 01.01.2015, p. 76-85.

Research output: Contribution to journalArticle

El Mendili, Y, Abdelouas, A, Karakurt, G, Aït Chaou, A, Essehli, R, Bardeau, JF & Grenèche, JM 2015, 'The effect of temperature on carbon steel corrosion under geological conditions', Applied Geochemistry, vol. 52, pp. 76-85. https://doi.org/10.1016/j.apgeochem.2014.11.008
El Mendili, Y. ; Abdelouas, A. ; Karakurt, G. ; Aït Chaou, A. ; Essehli, Rachid ; Bardeau, J. F. ; Grenèche, J. M. / The effect of temperature on carbon steel corrosion under geological conditions. In: Applied Geochemistry. 2015 ; Vol. 52. pp. 76-85.
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