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English Translations » 【设备腐蚀】 » Discuss bacterial corrosion caused by water accumulation at

Discuss bacterial corrosion caused by water accumulation at the bottom of crude oil storage tanks and its causes

2025-07-23View Original

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Sedimentary water contains microorganisms such as sulfate-reducing bacteria (SRB), which is a typical characteristic of pitting corrosion. Recent studies have shown that under anaerobic conditions, SRB use organic substances on the metal surface as a carbon source, and utilize hydrogen produced within bacterial biofilms to reduce sulfates to sulfides. In crude oil with low oxygen content, various other anaerobic bacteria are also present; these bacteria can obtain electrons to reduce hydrogen ions, thereby accelerating the reduction process of the cathodic depolarizer.

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Translated at 2026-07-23 13:43:33

Original: https://bbs.hcbbs.com/thread-5697299-1-1.html

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