September 2017

Special Focus: Refining Technology Developments

Iron poisoning investigations enable opportunities for success

The function of fluid catalytic cracking units (FCCUs) is to maximize profits from a given barrel of oil.

The function of fluid catalytic cracking units (FCCUs) is to maximize profits from a given barrel of oil. In the US, tight oils and residue-containing (i.e., resid) feeds represent opportunity crudes with high potential profits for refineries. With the right tools, refineries can take advantage of these low-cost feed options. However, these opportunity crudes often contain higher amounts of contaminant metals. Typically, tight oils contain higher amounts of iron (Fe), calcium (Ca) and sodium (Na), while resid feeds contain higher amounts of Fe, nickel (Ni) and vanadium (V). The effects of Fe contamination on catalyst performance in the FCCU are explored here. Fe contamination of FCC catalys

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