Catalytic removal of sulfur dioxide from flue gas

Details Catalytic removal of sulfur dioxide from flue gas Catalytic removal of sulfur dioxide from flue gas

1997-08-21

1998-12-29

Lewis, Michael L

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

4232391, 42324402, 42324406, 42324409, B01J 800

Patent

active

058536841

ABSTRACT:
The present invention provides novel catalysts for the simultaneous removal of SO.sub.2 and NO.sub.x from flue gases. The catalysts may be supported or unsupported, pretreated or untreated, but allow the simultaneous reduction of SO.sub.2 to S and NO.sub.x to N.sub.2. Elemental sulfur is a useful byproduct of the process.

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patent: 5227145 (1993-07-01), Kintaichi et al.
Hibbert et al., "Flue Gas Desulphurisation: Catalytic Removal of Sulphur Dioxide by Carbon Monoxide on Sulphided La.sub.1-x Sr.sub.x CoO.sub.3 "; 1988 (no month) pp. 289-299 Applied Catalysis, 41.
Baglio, Joseph A; "Lanthanum Oxysulfide as a Catalyst for the Oxidation of CO and COS by SO.sub.2 ", Mar. 1992 pp. 38-41; Industrial & Engineering Chemistry Product Research and Development; vol. 21 No. 1.

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