| 摘要 |
<P>PROBLEM TO BE SOLVED: To produce an oxidation catalyst for removing a harmful gas having an activity for oxidizing and decomposing aldehydes contained in air at a relatively low temperature (below 150°C) and capable of keeping the activity over a long period of time and excellent in durability. <P>SOLUTION: This oxidation catalyst for oxidizing and decomposing the aldehydes is characterized by supporting a platinum group metal as an active component on a carrier which comprises zirconia, titania, phosphorous oxide and/or boron oxide, contains 2-5 wt.% of phosphorous oxide and/or boron oxide as PO<SB>4</SB>and/or B<SB>2</SB>O<SB>3</SB>and 25-50 wt.% of zirconia as ZrO<SB>2</SB>and having a specific surface area calculated by a nitrogen gas adsorbing method of 100 m<SP>2</SP>/g or above. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
