METHOD FOR MANUFACTURING EXHAUST GAS PURIFICATION CATALYST

The method includes: preparing a base material having a wall flow structure, including a first cell with an opening only at an first end, a second cell with an opening only at a second end, and a porous partition partitioning the first cell and the second cell; supplying a catalyst layer forming mat...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	OHARA, Etsuko, MATSUI, Suguru, YAMAMOTO, Keita
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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 SEPARATION STEAM ENGINES THEIR RELEVANT APPARATUS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The method includes: preparing a base material having a wall flow structure, including a first cell with an opening only at an first end, a second cell with an opening only at a second end, and a porous partition partitioning the first cell and the second cell; supplying a catalyst layer forming material to the first end and applying the catalyst layer forming material to an inside of the partition from the first end up to a predetermined length along the extension direction of the partition such that an uncoated portion where the second end is not coated with the catalyst layer forming material in a range facing the first cell of the partition in the extension direction of the partition is formed, and ventilating from the second end and drying the applied catalyst layer forming material.