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CATALYST LOADED HONEYCOMB BODIES MADE FROM BEADS WITH OPEN POROSITY
A particulate filter and method of manufacture. The particulate filter includes intersecting walls that define longitudinally extending channels The intersecting walls comprise a porous ceramic material having a bare microstructure that comprises an interconnected network of porous spheroidal ceramic beads that has an open intrabead porosity within the beads and an interbead porosity defined by interstices between the beads. Catalyst particles are deposited at least partially within the intrabead porosity within the interbead porosity. The bare microstructure has a bimodal pore size distribution in which an intrabead median pore size of the intrabead porosity is less than an interbead median pore size of the interbead porosity. The filter has a trimodal pore size distribution comprising a first peak corresponding to the interbead porosity, a second peak corresponding to the intrabead porosity, and a third peak corresponding to the intrabead porosity as blocked by the catalyst particles.
CATALYST LOADED HONEYCOMB BODIES MADE FROM BEADS WITH OPEN POROSITY
A particulate filter and method of manufacture. The particulate filter includes intersecting walls that define longitudinally extending channels The intersecting walls comprise a porous ceramic material having a bare microstructure that comprises an interconnected network of porous spheroidal ceramic beads that has an open intrabead porosity within the beads and an interbead porosity defined by interstices between the beads. Catalyst particles are deposited at least partially within the intrabead porosity within the interbead porosity. The bare microstructure has a bimodal pore size distribution in which an intrabead median pore size of the intrabead porosity is less than an interbead median pore size of the interbead porosity. The filter has a trimodal pore size distribution comprising a first peak corresponding to the interbead porosity, a second peak corresponding to the intrabead porosity, and a third peak corresponding to the intrabead porosity as blocked by the catalyst particles.
CATALYST LOADED HONEYCOMB BODIES MADE FROM BEADS WITH OPEN POROSITY
KATALYSATORBELADENE WABENKÖRPER AUS KÜGELCHEN MIT OFFENER POROSITÄT
CORPS EN NID D'ABEILLES À CATALYSEUR CHARGÉ CONSTITUÉS DE BILLES À POROSITÉ OUVERTE
BACKHAUS-RICOULT MONIKA (author) / BOHART LINDA KAY (author) / LAPINA MARIIA ANDREEVNA (author) / WORK KIMBERLEY LOUISE (author)
2023-06-07
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
/
B01J
Chemische oder physikalische Verfahren, z.B. Katalyse oder Kolloidchemie
,
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
/
F01N
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL
,
Schalldämpfer oder Auspuffvorrichtungen für Gase von Kraft- und Arbeitsmaschinen oder von Kraftmaschinen allgemein
CATALYST LOADED HONEYCOMB BODIES MADE FROM BEADS WITH OPEN POROSITY
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CERAMIC ARTICLES MADE FROM CERAMIC BEADS WITH OPEN POROSITY
| European Patent Office | 2023