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Corrosion Under Insulation Gets Attention at CPI sites

By Scott Jenkins |

Corrosion under insulation (CUI) remains a persistent challenge at chemical process industries facilities, but the issue is receiving renewed attention amid a host of technologies, materials and methodologies for detection and prevention of CUI Corrosion of process equipment, piping and structural elements is an ongoing problem at chemical process industries (CPI) facilities because of its potential to contribute to catastrophic failures, safety concerns and increased cost and effort for maintenance. The corrosion subcategory known as corrosion under insulation (CUI) is a particularly difficult challenge for plants to address as industrial sites continue to seek efficiency gains and avoid heat loss by insulating process equipment. By its nature, CUI is hidden from view, and it can progress quickly under certain circumstances. The renewed attention on CUI has been highlighted by new coating technologies and detection methods, aimed specifically at the problem of CUI. Corrosion knowledge base Professor Homero Castaneda-Lopez, the director of the National Corrosion and Materials Reliability Center at Texas A&M University (College Station, Tex.; www.tamu.edu), works with companies on improving corrosion performance for their assets,…
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