Microbiologically Induced Corrosion Monitoring Using Open-Circuit Potential (OCP) Measurements

Abstract:

This study investigates how sulfate-reducing bacteria (SRB) influence the process of microbiologically induced corrosion (MIC) of carbon steel by measuring corrosion potential using open-circuit potential (OCP) measurements. MIC is mainly influenced by Desulfovibrio vulgaris, formerly known as Desulfovibrio desulfuricans subsp. Desulfuricans, deposited as spirillum desulfuricans, which produces D(-)-lactate dehydrogenase. This strain was recommended by ATCC to be used in the tests described in ASTM. A pure colony of SRB was isolated from the Baram and Sungai Ular areas in Malaysia. An evaluation of SRB growth was performed during the test in the inoculated medium anaerobically at 37 ̊. The results showed that the corrosion potential E_oc increases in the presence of SRB in pure and mixed cultures as compared to the control sample. These results indicate that the SRB caused the metal loss on the carbon steel surface through direct corrosive action of the H₂S generated by the bacteria during their metabolic process of reducing sulfates to the sulfide form.

• Periodical: Solid State Phenomena (Volume 227)
• Pages: 294-297
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.227.294
• Online since: January 2015
• Authors: Rosilawati Mohd Rasol*, Akrima Abu Bakar, Norhazilan Md Noor, Nordin Yahaya, Mardhiah Ismail
• Keywords: Corrosion Potential, Microbiologically Induced Corrosion, Open-Circuit Potential

References

[1] C.U. Schwermer, G. Lavik, R.M.M. Abed, B. Dunsmore, T.G. Ferdelman, P. Stoodley, A. Gieseke, D. de Beer, Impact of nitrate on the structure and function of bacteria biofilm communities in pipelines used for injection of seawater into oil field, Appl. Environ. Microb. 74 (2008).

DOI: 10.1128/aem.02027-07

[2] N.M. Noor, N. Yahaya, A. Abdullah, M.M. Tahir, L.K. Sing, Microbiologically influence corrosion of X-70 carbon steel by desulfuvibrio vulgaris, Adv. Sci. Lett. 13 (2012) 312-316.

DOI: 10.1166/asl.2012.3768

[3] V. Scotto, R. Di Cintio, G. Marcenaro, The influence of marine aerobic microbial film on stainless steel corrosion behavior, Corros. Sci. 42 (1985) 185-194.

DOI: 10.1016/0010-938x(85)90094-0

[4] S.C. Dexter, G.Y. Gao, Effect of seawater biofilms on corrosion potential and oxygen reduction of stainless steel, Corros. NACE 44 (1988) 717-723.

DOI: 10.5006/1.3584936

[5] H.A. Videla, Microbially induced corrosion: An updated overview in: Biodeterioration and Biodegradation, H.W. Rossmoore (ed), Elsevier Science, London, (1991).

[6] N.M. Noor, L.K. Sing, N. Yahaya, A. Abdullah, Corrosion study on X-70 Carbon steel material influenced by soil engineering properties, Adv. Mater. Res. 311 (2011) 875-880.

DOI: 10.4028/www.scientific.net/amr.311-313.875

[7] O.H. Tuovinen, G. Cragnolino, Using nondestructive testing and electrochemical methods, Proceedings of the Conference on Corrosion Monitoring in Industrial Plants, Montreal, Canada (1986) 413-432.

DOI: 10.1520/stp17460s

[8] B.J. Little, S.L. Jason, Microbiologically Influenced Corrosion, Willey-Interscience (2007).

[9] I.T.E. Fonseca, M.J. Feio, A.K. Lino, M.A. Reis, V.L. Rainha, The influence of the media on the corrosion of mild steel by Desulfovibrio desulfuricans bacteria: an electrochemical study, Electrochem. Acta 43 (1997) 213-222.

DOI: 10.1016/s0013-4686(97)00227-2

[10] P. Angell, K. Urbanic, Sulphate-reducing bacterial activity as a parameter to predict localized corrosion of stainless alloys, Corros. Sci. 42 (2000) 897-912.

DOI: 10.1016/s0010-938x(99)00116-x

[11] B.J. Little, P. Wagner, K. Hart, R. Ray, D. Lavoie, K. Nealson, C. Aguilar, The role of metal-reducing bacteria in microbiologically influenced corrosion, Proc. Nace Corrosion 97: National Association of Corrosion Engineers International (1997).

[12] NACE International Standard Test Method, Detection, Testing, and Evaluation of Microbiologically Influenced Corrosion on Internal Surface of Pipelines, Houston, TX (2012) section 9.