METHOD OF MAKING WALL-FLOW MONOLITH FILTER

A ceramic honeycomb wall-flow filter is prepared by plugging channels in a ceramic heoneycomb by a method comprising the following. First, a mixture comprised of a dispersing liquid and ceramic powder is formed. Next, the mixture is inserted on one end of the channel in an unplugged ceramic honeycom...

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Bibliographic Details
Main Authors WALLIN, STEN A, VANCE, FREDERICK W
Format Patent
LanguageEnglish
French
Published 31.10.2002
Edition7
Subjects
ARTIFICIAL STONE
BLASTING
CEMENTS
CERAMICS
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
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
LIME, MAGNESIA
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
REFRACTORIES
SEPARATION
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
SLAG
STEAM ENGINES
THEIR RELEVANT APPARATUS
TRANSPORTING
TREATMENT OF NATURAL STONE
WEAPONS
WORKING CEMENT, CLAY, OR STONE
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Summary:A ceramic honeycomb wall-flow filter is prepared by plugging channels in a ceramic heoneycomb by a method comprising the following. First, a mixture comprised of a dispersing liquid and ceramic powder is formed. Next, the mixture is inserted on one end of the channel in an unplugged ceramic honeycomb such that the mixture flows to the other end where the mixture collects and forms a plugged ceramic honeycomb. Then, the plugged ceramic honeycomb is heated to a temperature sufficient to sinter the plugged cerami c honeycomb to form a porous sintered plugged ceramic honeycomb.
Bibliography:Application Number: CA20022445107