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CERAMIC HONEYCOMB FILTER AND METHOD FOR PRODUCING SAME
A ceramic honeycomb filter comprising a ceramic honeycomb structure having large numbers of flow paths partitioned by porous cell walls, and plugs disposed in the flow paths alternately on the exhaust gas inlet or outlet side, to remove particulate matter from an exhaust gas passing through the porous cell walls; the porous cell walls having porosity of 45-75%, the median pore diameter A (µm) of the cell walls measured by mercury porosimetry, and the median pore diameter B (µm) of the cell walls measured by a bubble point method meeting the formula of 35 < (A - B)/B x 100 ¤ 70, and the maximum pore diameter of the cell walls measured by a bubble point method being 100 µm or less.
CERAMIC HONEYCOMB FILTER AND METHOD FOR PRODUCING SAME
A ceramic honeycomb filter comprising a ceramic honeycomb structure having large numbers of flow paths partitioned by porous cell walls, and plugs disposed in the flow paths alternately on the exhaust gas inlet or outlet side, to remove particulate matter from an exhaust gas passing through the porous cell walls; the porous cell walls having porosity of 45-75%, the median pore diameter A (µm) of the cell walls measured by mercury porosimetry, and the median pore diameter B (µm) of the cell walls measured by a bubble point method meeting the formula of 35 < (A - B)/B x 100 ¤ 70, and the maximum pore diameter of the cell walls measured by a bubble point method being 100 µm or less.
CERAMIC HONEYCOMB FILTER AND METHOD FOR PRODUCING SAME
KERAMIKWABENFILTER UND HERSTELLUNGSVERFAHREN DAFÜR
FILTRE À NID D'ABEILLES EN CÉRAMIQUE ET PROCÉDÉ POUR PRODUIRE CELUI-CI
OKAZAKI SHUNJI (author) / ISHIZAWA TOSHITAKA (author)
2016-11-02
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
/
B01D
SEPARATION
,
Trennen
/
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
Method and apparatus for producing ceramic honeycomb filter
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MANUFACTURING METHOD OF CERAMIC HONEYCOMB FILTER AND CERAMIC HONEYCOMB FILTER
| European Patent Office | 2019