| abstract |
[Problem] To provide a catalyst body which is capable of maintaining the activity for a long period of time.n[Solution] A mesoporous catalyst body which is provided with: a supporting body that has a plurality of mesopores; and oxidation catalyst particles that are supported within the mesopores of the supporting body and contain at least one substance selected from among noble metals, oxides of noble metals, and alloys of a noble metal and a transition metal. The supporting body is configured such that one mesopore is in communication with at least one other mesopore. |