This paper investigates a severe microbiologically influenced failure in the elbows of a buried amine pipeline in a petrochemical plant. Pipelines can experience different corrosion mechanisms, including microbiologically influenced corrosion (MIC). MIC, a form of biodeterioration initiated by microorganisms, can have a devastating impact on the reliability and lifetime of buried installations. This paper provides a systematic investigation of a severe MIC-related failure in a buried amine pipeline and includes a detailed microstructural analysis, corrosion products/biofilm analyses, and monitoring of the presence of causative microorganisms. Conclusions were drawn based on experimental data, obtained from visual observations, optical/electron microscopy, and Energy-dispersive X-ray spectroscopy (EDS)/X-Ray Diffraction (XRD) analyses. Additionally, monitoring the presence of causative microorganisms, especially sulfate-reducing bacteria which play the main role in corrosion, was performed. The results confirmed that the failure, in this case, is attributable to sulfate-reducing bacteria (SRB), which is a long-known key group of microorganisms when it comes to microbial corrosion.
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Univ Teknol Petronas, Dept Mech Engn, Seri Iskandar 32610, Perak Darul Rid, MalaysiaUniv Teknol Petronas, Dept Mech Engn, Seri Iskandar 32610, Perak Darul Rid, Malaysia
Ismail, Mohamed Riyadh
Ismail, Mokhtar Che
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Univ Teknol Petronas, Dept Mech Engn, Seri Iskandar 32610, Perak Darul Rid, MalaysiaUniv Teknol Petronas, Dept Mech Engn, Seri Iskandar 32610, Perak Darul Rid, Malaysia
Ismail, Mokhtar Che
Shah, Syed Zulfiqar Hussain
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Univ Teknol Petronas, Dept Mech Engn, Seri Iskandar 32610, Perak Darul Rid, MalaysiaUniv Teknol Petronas, Dept Mech Engn, Seri Iskandar 32610, Perak Darul Rid, Malaysia
Shah, Syed Zulfiqar Hussain
Gao, Nong
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机构:Univ Teknol Petronas, Dept Mech Engn, Seri Iskandar 32610, Perak Darul Rid, Malaysia
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Cent Electrochem Res Inst, Corros Protect Div, Karaikkudi 630006, Tamil Nadu, IndiaCent Electrochem Res Inst, Corros Protect Div, Karaikkudi 630006, Tamil Nadu, India
Muthukumar, N.
Maruthamuthu, S.
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Cent Electrochem Res Inst, Corros Protect Div, Karaikkudi 630006, Tamil Nadu, IndiaCent Electrochem Res Inst, Corros Protect Div, Karaikkudi 630006, Tamil Nadu, India
Maruthamuthu, S.
Mohanan, S.
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Cent Electrochem Res Inst, Corros Protect Div, Karaikkudi 630006, Tamil Nadu, IndiaCent Electrochem Res Inst, Corros Protect Div, Karaikkudi 630006, Tamil Nadu, India
Mohanan, S.
Palaniswamy, N.
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Cent Electrochem Res Inst, Corros Protect Div, Karaikkudi 630006, Tamil Nadu, IndiaCent Electrochem Res Inst, Corros Protect Div, Karaikkudi 630006, Tamil Nadu, India
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Cent Electrochem Res Inst, Corros Protect Div, Karaikkudi 630006, Tamil Nadu, IndiaCent Electrochem Res Inst, Corros Protect Div, Karaikkudi 630006, Tamil Nadu, India
Muthukumar, N.
Maruthamuthu, S.
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Cent Electrochem Res Inst, Corros Protect Div, Karaikkudi 630006, Tamil Nadu, IndiaCent Electrochem Res Inst, Corros Protect Div, Karaikkudi 630006, Tamil Nadu, India
Maruthamuthu, S.
Palaniswamy, N.
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Cent Electrochem Res Inst, Corros Protect Div, Karaikkudi 630006, Tamil Nadu, IndiaCent Electrochem Res Inst, Corros Protect Div, Karaikkudi 630006, Tamil Nadu, India