Ceramic honeycomb composite structure, catalyst supported thereb

Details Ceramic honeycomb composite structure, catalyst supported thereb Ceramic honeycomb composite structure, catalyst supported thereb

1978-01-03

1981-03-03

Cannon, James C.

Compositions

X-ray or neutron shield

60299, 60301, 60302, 156 89, 428116, 428118, B01J 3504, B01J 3510, F01N 315, F01N 316

Patent

active

042539927

ABSTRACT:
A ceramic honeycomb composite structure adapted to be used as a catalyst support comprises a ceramic honeycomb body and ceramic layers integrally provided thereon having surfaces including therein microscopic holes, a sum of volumes of the holes 5 microns or more being at least 0.1 cm.sup.3 /g to ensure a sufficient catalyst-supporting property and achieve a high mechanical strength of the structure. On the layers of the structure are provided active material layers onto which a catalytic component is applied to enable it to be used as a catalyst. A ceramic material is extruded through a die to form the ceramic honeycomb body to which is applied ceramic grains and then the body with the grains is dried and sintered to complete the composite structure.

REFERENCES:
patent: 3554929 (1971-01-01), Aarons
patent: 3755204 (1973-08-01), Sergeys
patent: 3799796 (1974-03-01), Hunter
patent: 3839224 (1974-10-01), Yonehara et al.

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