| 摘要 |
<p>A honeycomb structure having a honeycomb unit is disclosed in which zeolite and an inorganic binder are contained and plural cells extending from one end face to the other end face along a longitudinal direction are partitioned by cell walls. In the honeycomb structure, the content of the zeolite per apparent unit volume of the honeycomb unit is 230 g/L or greater, the porosity of all the pores in the cell walls is 40% or less, the porosity of pores having diameters in the range of 0.005 µm through 0.02 µm in the cell walls is 5% or greater, and the porosity of pores having diameters in the range of 0.05 µm through 0.2 µm in the cell walls is 17.5% or greater.
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