METHOD OF COATING A SUBSTRATE WITH A CATALYST COMPONENT

A method of coating a substrate with a liquid comprising a catalyst component, which substrate comprises a plurality of channels, wherein the method comprises: (a) holding the substrate vertically; (b) introducing the liquid into the substrate through the open ends of the channels at a lower end of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ROBERTS, DALE ALBERT, ROSE, RICHARD PETER, BORTZ, ANDREW MICHAEL, TROLAND, DANIEL L, FORTNER, R. BRADFORD
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL BLASTING CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER SPRAYING OR ATOMISING IN GENERAL STEAM ENGINES THEIR RELEVANT APPARATUS TRANSPORTING WEAPONS WORKING CEMENT, CLAY, OR STONE
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Beschreibung
Zusammenfassung:	A method of coating a substrate with a liquid comprising a catalyst component, which substrate comprises a plurality of channels, wherein the method comprises: (a) holding the substrate vertically; (b) introducing the liquid into the substrate through the open ends of the channels at a lower end of the substrate; and (c) after the lower end of the substrate has been part-filled with the liquid, applying a vacuum to the open ends of the channels at the upper end of the substrate while introducing the liquid into the substrate. Cette invention concerne un procédé de revêtement d'un substrat à l'aide d'un composant de catalyseur, le substrat comprenant une pluralité de canaux et le procédé consistant à : (a) tenir le substrat verticalement ; (b) introduire le liquide dans le substrat par les extrémités ouvertes des canaux à une extrémité inférieure du substrat ; et (c) après que l'extrémité inférieure du substrat a été partiellement remplie avec le liquide, appliquer un vide aux extrémités ouvertes des canaux à l'extrémité supérieure du substrat tout en introduisant le liquide dans le substrat.