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Flow Accelerated Corrosion in Fossil Fuel Power Plants What is FAC? A well-known source of problems in fossil fuel and nuclear powerplants is flow accelerated corrosion, also known as FAC. This kind of corrosion can occur when carbon steel piping and its components become degraded through the presence of steam water or flowing water that has low-dissolved oxygen. FAC occurs when the normally protective oxide layer on the inside surface of low alloy steel and carbon piping dissolves. De-oxygenated water at elevated temperatures removes the naturally-formed iron oxides on the pipe’s exposed surface. This thins the pipe wall, which can potentially cause leaks and catastrophic ruptures, negatively impacting both plant reliability and personnel safety. ....
How to Prevent Sulfidic Corrosion Failures Within the refining industry, sulfidic corrosion of equipment and piping is a significant cause of issues and leaks that can lead to incidents potentially resulting in loss of property and injury to workers, unplanned outages and early replacements. When exposed to hydrogen-free sulfidation corrosion conditions, carbon steels with low-silicon ( ....