Study reveals sulfidic corrosion mechanism in fired heater tubes

Hamid Rajaei Seyed Abdolmajid Khaksar Hassan Ghasemi Feridun Esmaeilzadeh Shiraz University Shiraz, Iran One of the most vexing problems oil and gas operations face is the failure of equipment due to corrosion. One of the most common types is sulfidic corrosion in the presence of hydrocarbon condensate. This article describes the experience of one Iranian petrochemical company with sulfidic corrosion, which has caused the failure of fired heater tubes and led to several plant shutdowns. To study this problem, we simulated a unit with Aspen-Hysys software to learn the effect of temperature on the corrosion rate of fired heater tubes and related piping. The simulation results are consistent...

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