September 2005

Special Report: Refining Developments

Upgrade FCC-feed hydrotreating

New study indicates that optimized pretreatment of FCC streams can yield clean, direct blending streams for gasoline and diesel

Bailor, J., KBC; Sayles, S., KBC Advanced Technologies, Inc.

The advent of ultra-low-sulfur gasoline (ULSG) and ultra-low-sulfur diesel (ULSD) has increased the need for hydrotreating fluid catalytic cracking (FCC) feedstreams. With sufficient FCC feed hydrotreating, the FCCU can become a primary conversion unit producing both ULSG and feedstock for ULSD. The following study will show that severe hydrotreating of FCC feed to low sulfur and low aromatics levels can result in a significant decrease in sulfur levels in the gasoline and distillate fractions of the FCC product. THE STUDY The impact of FCC-feed hydrotreating on FCC performance yields can be demonstrated with Micro Activity Testing (MAT). In this study, seven different feeds – 3 unh

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