Au supported on γ-Al2O3 prepared by deposition-precipitation (DP) using urea is found to be a highly active catalyst for the total oxidation of HCHO at room temperature under humid air, without the need for a reducible oxide as support. In-situ DRIFTS studies suggested that the surface hydroxyl groups played a key role in the partial oxidation of HCHO into the formate intermediates, which can be further oxidized into CO 2 and H2O with participation of nano-Au. This study challenges the traditional idea of supporting noble metals on reducible oxides for HCHO oxidation at room temperature.
|Number of pages
|Published - 2013
Bibliographical noteFunding Information:
The work was supported by the National Natural Foundation of China (Nos. 21373037 and 21073024 ), Natural Science Foundation of Liaoning Province (No. 201102034 ) and by the Program for New Century Excellent Talents in University ( NCET-07-0136 ), as well as by the Fundamental Research Funds for the Central Universities (No. DUT12LK23 ).
- Catalytic oxidation
- Room temperature
ASJC Scopus subject areas
- Chemistry (all)
- Process Chemistry and Technology