Evaluation of corrosion rate on API XL52 steel, induced by a microbial consortium, isolated from a gas pipeline

M. J. Hernández Gayosso, G. Zavala Olivares, R. García Esquivel, J. L. Mora Mendoza, A. A. Padilla Viveros, N. Ruiz Ordaz

Research output: Contribution to conferencePaperpeer-review

2 Scopus citations

Abstract

Microbial induced corrosion is a very dangerous process, which affects the oil industry, particularly in hydrocarbons extraction, transport, and storage. Different electrochemical laboratory techniques were used to determine the corrosion behavior of a microbial consortium, obtained from the Atasta - Nohoch gas transporting pipeline, in the southeast of Mexico. The bacteria population growth was found to be different for sessile and plancktonic microorganisms. Scanning electron microscope observation of API XL 52 steel coupons, exposed to the consortium action, revealed bacteria presence, as well as a damaged steel surface. A type of localized corrosion was observed on the metal surface, and it was associated to the bacteria effect.

Original languageEnglish
StatePublished - 2004
Externally publishedYes
EventCorrosion 2004 - New Orlean, LA, United States
Duration: 28 Mar 20041 Apr 2004

Conference

ConferenceCorrosion 2004
Country/TerritoryUnited States
CityNew Orlean, LA
Period28/03/041/04/04

Keywords

  • Biofilm
  • Electrochemical techniques
  • Microbiologically influenced corrosion

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