B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 37/02 (2006.01) B01D 46/10 (2006.01) B01J 35/00 (2006.01) B01J 35/04 (2006.01) B01J 35/06 (2006.01) B01J 37/00 (2006.01) F01N 3/022 (2006.01)
Patent
CA 2506361
The invention relates to a process for the coating of a catalyst support with a catalytically active coat using a coating dispersion, the catalyst support containing at least two partial structures which differ in their absorptivity for the coating dispersion. The process is characterised in that the absorptivity of the partial structures is modified relative to one another by precoating of the catalyst support with a material which can be burnt out or with liquid, and the catalytic coat is then applied to the filter body in a known manner, dried and/or calcined.
L'invention concerne un procédé pour appliquer un revêtement à action catalytique sur un support de catalyseur à l'aide d'une dispersion de revêtement, lequel support de catalyseur présente au moins deux structures partielles qui se distinguent par leur capacité à absorber cette dispersion de revêtement. Ledit procédé se caractérise en ce que la capacité d'absorption des structures partielles est modifiée par la pré-application d'une matière combustible ou d'un liquide sur le support de catalyseur puis le revêtement catalytique est appliqué par une méthode connue sur le corps filtrant, séché et/ou calciné.
Domesle Rainer
Kreuzer Thomas
Lox Egbert
Marks & Clerk
Umicore Ag & Co. Kg
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