SPECIAL REPORT: Refiners must optimize FCC feed hydrotreating when producing low-sulfur gasoline

10/14/2002
Refiners that rely only on FCC feed hydrotreating or mild hydrocracking1 2 (i.e., use a cat feed hydrotreater [CFHT]) to meet 30-ppmw gasoline pool sulfur specifications must minimize CFHT feed contaminants and ensure that their FCC units have the flexibility to undercut gasoline to meet the sulfur limit.Refiners that use a CFHT to produce low-sulfur gasoline must balance the degree of desulfurization and run length and closely monitor gasoline end point. Unplanned CFHT shutdowns, high CFHT product sulfur, and the inability to undercut the high-sulfur fraction of FCC gasoline will limit these refiners' ability to blend low-sulfur gasoline consistently. Click here to enlarge imageEver...
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