| 摘要 |
Provided is a catalyst for reducing and decomposing oxygen in gas, highly efficiently and stably in from a low temperature region to a relatively high temperature region, in the presence of a reducing substance, containing at least one kind of a metal oxide selected from the group consisting of Ti, Si, W, Mo, Zr and Fe, as a catalyst component A; and at least one kind of a metal selected from the group consisting of Pt, Pd, Rh, Ir, Ru, Ni and Co, and/or a metal oxide thereof, as a catalyst component B; in removing oxygen, presence of a reducing substance in gas is effective.
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