Monitoring and Simulation Resolves Overhead Corrosion

Corrosion of crude unit overhead exchangers continues to be a significant concern towards integrity and reliability within the refining industry; failure mechanisms have been the subject of many technical papers over the years.

For many crude units, good desalting and caustic injection practices are first lines of defence in managing overhead corrosion issues while injection of organic amine neutralisers and corrosion inhibitors is also applied in order to keep corrosion rates to a minimum.

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