Process for removing sulfur oxides from a gas

Details Process for removing sulfur oxides from a gas Process for removing sulfur oxides from a gas

1983-09-27

1989-06-06

Heller, Gregory H.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

208113, 208120, B01J 800, C01B 1700

Patent

active

048369934

ABSTRACT:
Sulfur oxides are removed from a gas by an absorbent which comprises an inorganic oxide composition in association with at least one free or combined rare earth metal selected from the group consisting of lanthanum, cerium, praseodymium, samarium and dysprosium, wherein said inorganic oxide composition is selected from the group consisting of MgAl.sub.2 O.sub.4, mixtures of alumina with magnesium oxide and mixtures of magnesium oxide with MgAl.sub.2 O.sub.4. The absorbent can be circulated through a fluidized catalytic cracking process together with hydrocarbon cracking catalyst to reduce sulfur oxide emissions from the regeneration zone.

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