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There has been recent interest in the use of hydrogen flux monitoring at high temperatures to evaluate ‘naphthenic acid’ and sulfidic corrosion in high temperature process streams associated with crude distillation units. In this report, we present flux and corrosion data obtained from samples drawn from a refinery process stream.
Keywords: hydrogen flux monitoring, naphthenic acid, sulfidic corrosion, crude distillation units
The main goal of this work is to investigate the corrosiveness of different petroleum fractions distilled from acidic crude oil “A” at 150 to 370oC (302 to 698oF) and to find effective measures for diminishing the corrosiveness of aggressive fractions.
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This paper discusses common amine sources and amine identification methods, the equipment commonly impacted and the steps which can be taken to address the challenge of amine contamination.
This paper helps answer some questions by surveying numerous units processing high naphthenic acid-containing feeds, e.g. feeds with high total acid number (TAN). The survey lists the unit temperatures, TAN’s, flow schemes, materials and corrosion history.