Honeycomb catalytic structure, precoated support for producing honeycomb catalytic structure, and process for producing honeycomb catalytic structure
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United States of America Patent
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Mar 13, 2012
Grant Date -
May 29, 2008
app pub date -
Feb 4, 2008
filing date -
Aug 31, 2005
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Abstract
According to the present invention, there is provided a honeycomb catalytic structure comprising:
- a honeycomb structure comprising porous partition walls having a large number of pores, disposed so as to form a plurality of cells extending between the two end faces of the honeycomb structure and plugging portions disposed at either one end of each cell, anda catalyst layer containing a catalyst, supported at least on the inner surfaces of the pores of the honeycomb structure,wherein the mass of the catalyst layer per unit volume (1 cm3) of the honeycomb structure (g/cm3) is 60% or less of the volume of pores per unit volume (1 cm3) of the honeycomb structure (cm3/cm3).
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