Warning: include_once(/home/clients/0b55f44bf8d530a3593f8dc13d053404/sites/corrovision/prive/formulaires/selecteur/generique_fonctions.php): failed to open stream: No such file or directory in /home/clients/0b55f44bf8d530a3593f8dc13d053404/sites/corrovision/ecrire/inc/utils.php on line 1530
Warning: include_once(): Failed opening '/home/clients/0b55f44bf8d530a3593f8dc13d053404/sites/corrovision/prive/formulaires/selecteur/generique_fonctions.php' for inclusion (include_path='.:/opt/php7.1/lib/php') in /home/clients/0b55f44bf8d530a3593f8dc13d053404/sites/corrovision/ecrire/inc/utils.php on line 1530
journalArticle
An
Biwen Annie
Deland
Eric
Sobol
Oded
Yao
Jizheng
Skovhus
Torben Lund
Koerdt
Andrea
Carbon steel
SEM
SIMS
microbiological corrosion
modelling studies
reactor conditions
The differences in the corrosion product compositions of Methanogen-induced microbiologically influenced corrosion (Mi-MIC) between static and dynamic growth conditions
Currently, corrosion rates (CR) and/or corrosion products (CP) obtained for methanogen-induced microbiologically influenced corrosion (Mi-MIC) on carbon steel are mainly analyzed from static-incubations. By using a multiport-flow-column, much higher CRs (0.72 mm/yr) were observed, indicating static-incubations are not suitable for determining the corrosive potential of Mi-MIC. With the combination of various analytical methods (ToF-SIMS/SEM-EDS/SEM-FIB) and contrary to previously published data, we observed that CPs contained phosphorus, oxygen, magnesium, calcium and iron but lacked carbon-related species (e.g. siderite). Overall, siderite nucleation is disrupted by methanogens, as they convert aqueous bicarbonate into carbon dioxide for methanogenesis resulting in increased localized corrosion.
109179
December 4, 2020
en
http://www.sciencedirect.com/science/article/pii/S0010938X20324604
2020-12-08 08:07:54
ScienceDirect
Corrosion Science
Corrosion Science
DOI 10.1016/j.corsci.2020.109179
ISSN 0010-938X