Catalytic treatment of carbonaceous particulates

Details Catalytic treatment of carbonaceous particulates Catalytic treatment of carbonaceous particulates

B - Operations, Transporting

01

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23/341, 23/371,

B01J 23/10 (2006.01) B01D 53/34 (2006.01) B01D 53/94 (2006.01) B01J 16/00 (2006.01) B01J 23/63 (2006.01) C01F 17/00 (2006.01) F02B 3/06 (2006.01)

Patent

CA 2019076

Abstract Catalytic Treatment A catalyst for the oxidation of carbonaceous particulates carried in a gaseous phase, for example for the treatment of Diesel engine exhaust emissions, comprises a substrate for permitting flow of the gaseous phase therethrough coated with a high surface area ceramic oxide (for example alumina made by a vapour phase condensation method such as flame hydrolysis), cerium(IV) oxide, a c a compound such as an oxide, carbonate or nitrate of an element of Group 1A of the Periodic Table. The substrate may be in the form of a ceramic honeycomb such as of cordierite, or of metal sheets (e.g. of an aluminium-bearing ferritic alloy) shaped and wound to define gas flow channels, or of ceramic or metal foams, particles or wires in random or structured arrangement. The catalyst may include other components (e.g. transition metals such as Co, Cu, and Mn; Pb; and precious metals such as Pt and Pd) for enhancing performance. 14538 MlH

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