Each year, significant economic losses due to corrosion failures occur in the refining and petrochemical industries; unfortunately, many of these losses could have been prevented.
Since the 1940s, the present form of the Claus sulfur recovery unit (SRU) has been successfully applied in the refining and gas processing industries.
Sour gas amine treatment and sulfur recovery facilities are required for most integrated refineries that are treating high- or medium-sulfur crudes.