Patents Represented by Attorney Vince J. Cavalieri

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  • Perovskite-spinel FCC NO.sub.x reduction additive
    Patent number: 5364517
    Abstract: The NOx content of FCC regenerator flue gas is reduced using a spinel/perovskite additive which maintains activity during FCC operation in the presence of high levels of sulfur oxides and oxygen. Additionally, a stabilization component may be added to enhance catalytic stability of the additive, and a cracking component may be added under conditions of low reducing agents in the regenerator flue gas.
    Type: Grant
    Filed: February 19, 1993
    Date of Patent: November 15, 1994
    Assignee: Chevron Research and Technology Company
    Inventors: Gunther H. Dieckmann, Elena Q. Labrador