Rhone-Poulenc Chimie

Jean-Luc Hebrard

Eric Quemere

Thierry Chopin

Monolithic catalyst shaped articles adopted for the catalytic oxidation conversion of compounds of sulfur, e.g., HS, into sulfur dioxide, include a monolithic substrate containing a catalytically effective amount of at least one catalytically active element for oxidatively converting such compounds of sulfur into SO.sub.2.

Monolithic catalysts for converting sulfur compounds into SO2

Novel catalysts for the purification of gaseous effluents containing contaminating amounts of sulfur compounds include a catalytically active phase for the oxidation of such sulfur compounds into elemental sulfur, SO.sub.2 and/or SO.sub.3 and are shaped as to have a ratio between their external surface area and their volume of at least 2 mm.sup.-1 ; advantageously such catalysts have a concave multilobal configuration, preferably trilobal or quadrilobal.

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Paris, France

Jean-Luc Hebrard