FCC NO.sub.x reduction using a perovskit-type additive

Details FCC NO.sub.x reduction using a perovskit-type additive FCC NO.sub.x reduction using a perovskit-type additive

1994-10-21

1996-10-15

Lewis, Michael

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

208121, 208113, 502524, 502525, B01J 800

Patent

active

055651810

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.

REFERENCES:
patent: 5364517 (1994-11-01), Dieckmann et al.

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