Inicio > Matemáticas y ciencia > Biologia, ciencias de la vida > Ciencias de la vida: cuestiones generales > Ecología, la biosfera > Protection cathodique des canalisations contre certaines formes de corrosion microbienne
Protection cathodique des canalisations contre certaines formes de corrosion microbienne

Protection cathodique des canalisations contre certaines formes de corrosion microbienne

Marwa Adnan

73,46 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
Materia
Ecología, la biosfera
ISBN:
9783659844676
73,46 €
IVA incluido
Disponible

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L’étude a été réalisée à l’Université de Tikrit/ College of Science/ Biology department/ Environmental Laboratory, de septembre/ 2013 à juin/ 2014. L’étude se concentre sur les tuyaux en acier au carbone. Des échantillons de sol ont été prélevés dans trois régions différentes : sol 1 : sable loameux, sol 2 : loam sableux et sol 3 : sable, ces trois échantillons ont été prélevés à une profondeur de 0 à 50 cm. La texture du sol a un effet significatif sur le taux de corrosion, la valeur la plus élevée de la corrosion était (13,637 %) dans le sol 2, tandis que la valeur la plus faible était (9,383 %) dans le sol 3. La protection cathodique a un effet significatif sur la diminution de la vitesse de corrosion, alors que la corrosion de la conduite protégée était de (1,462 %) tandis que la corrosion de la conduite enterrée dans les mêmes circonstances mais sans protection était de (11,267 %). Pseudomonas aeruginosa, Enterobacter cloacae et Staphylococcus aureus, ces trois types de bactéries oxydent le fer, ce qui signifie qu’il est corrosif. Ces résultats suggèrent fortement que les bactéries oxydant le fer sont en effet très corrosives.

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