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Microbiological-Influenced Corrosion Failure of a Heat Exchanger Tube of a Fertilizer Plant

机译:化肥厂换热管的微生物影响腐蚀失效

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摘要

The investigation was performed to examine the probable cause of failure of a heat exchanger tube at a fertilizer plant. Detailed metallographic analysis, chemical analysis, and microbiological culture tests were carried out to ascertain the cause/causes of failure. A detailed scanning electron microscopic analysis was a necessary supplement to this investigation. The results obtained indicate that pitting and fouling in a heat exchanger tube occurred due to microbiological-influenced corrosion.
机译:进行了调查以检查化肥厂的热交换器管故障的可能原因。进行了详细的金相分析,化学分析和微生物培养测试,以确定故障的原因/原因。详细的扫描电子显微镜分析是该研究的必要补充。所获得的结果表明,由于微生物影响的腐蚀,在热交换器管中出现了点蚀和结垢。

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