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Corrosion of iron (Fe) is a significant issue in chemical engineering. It's an electrochemical process where iron oxidizes to form iron oxides, commonly known as rust. The process is accelerated by the presence of water, oxygen, and electrolytes like salts. In a chemical engineering context, corrosion control is crucial for equipment lifespan and safety. This often involves using protective coatings, cathodic protection, or altering the environment to minimize the rate of corrosion.