Sulfidic corrosion in refineries - A review

  • Rebak R
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Abstract

Sulfi dic corrosion of steels in refi neries is a prevalent phenomenon that occurs in oil containing sulfur species between 230°C and 425°C. There are several internal and external variables controlling the occurrence of sulfi dic corrosion. The most important external factors are temperature, concentration and type of sulfur species, and presence of naphthenic acid. The most important internal or metallurgical factor to control sulfi dic corrosion is the amount of chromium in the steel. The refi nery industry relies today in a vast industrial experience on the variables affecting sulfi dic corrosion but very little is known on the basic mechanism of attack. There is ample room for research and the basic understanding of this phenomenon.

Author-supplied keywords

  • Corrosion
  • Refinery
  • Sulfidic
  • Temperature

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