January 2021

Maintenance and Reliability

Improving asset utilization by closing the corrosion window

Driving profitable refinery operations often requires owner-operators to balance production flexibility and product optimization with asset availability and equipment reliability.

Zurlo, J. A., SUEZ Water Technologies & Solutions

Driving profitable refinery operations often requires owner-operators to balance production flexibility and product optimization with asset availability and equipment reliability. Many refineries face periods of severe corrosion and fouling in their crude unit distillation overhead systems. The exact cost of refinery corrosion is unknown; various analysis reports by NACE International and others estimate annual profit losses due to refinery corrosion to be $2 B–$12 B. Regardless of the exact value, it is not argued that corrosion is expensive and there is ample room for improvement to benefit both safety and profits. Overhead system corrosion is an ongoing phenomenon, but often occurs as a s

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