Catalyst carrier and exhaust gas treatment apparatus

Details Catalyst carrier and exhaust gas treatment apparatus Catalyst carrier and exhaust gas treatment apparatus

2007-11-19

2011-10-11

Duong, Tom (Department: 1774)

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

C422S177000

Reexamination Certificate

active

08034299

ABSTRACT:
A catalyst carrier including a ceramic block having two open faces, an outer peripheral surface, and multiple cells divided by a cell wall and extending between the open faces. The ceramic block has multiple honeycomb units combined by interposing an adhesive layer, where the honeycomb units include an outer-peripheral-side honeycomb unit and a center-side honeycomb unit combined to form the outer peripheral part and the center part, respectively, of the block. The outer-peripheral-side honeycomb unit has an outer peripheral cell wall forming the outer peripheral surface of the outer-peripheral-side honeycomb unit. The outer peripheral cell wall includes an outermost peripheral cell wall forming part of the outer peripheral surface of the block. A cell of the outer-peripheral-side honeycomb unit in contact with the outermost peripheral cell wall thereof has a corner part having a curved surface, where the corner part is on the side contacting the outermost peripheral cell wall.

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