Patent ID: 7981496
Filing Date: 2011-07-19
Classification: B01D,B01J,C04B,Y10T

Abstract:
1. A honeycomb structured body in which plural pillar-shaped honeycomb units are bonded to one another through sealing material layers, each honeycomb unit having in a longitudinal direction a large number of cells placed in parallel with a cell wall therebetween, all of the cells being open on an end face of the honeycomb unit, wherein each of said honeycomb unit includes inorganic fibers and/or whiskers in addition to inorganic particles, and the inorganic fibers and/or whiskers increase a specific surface area of the honeycomb unit, a cross-sectional area of said honeycomb unit on a cross section perpendicular to the longitudinal direction ranges from about 5 cm said inorganic particles comprise at least one member chosen from alumina, silica, zirconia, titania, ceria, mullite, and zeolite, said honeycomb unit is produced by firing materials including said inorganic fibers and/or whiskers and said inorganic particles at a temperature ranging from 600° C. and 1200° C., a specific surface area per unit volume of the honeycomb structured body ranges from 37,884 m a coefficient α