Deposition of a Cu/Mo/Ce catalyst for diesel soot oxidation on a sintered metal fiber filter with a CeO2 anti corrosion coating

作者：Bruneel E; Van Brabant J; Le M T; Van Driessche I^*

来源：Catalysis Communications, 2012, 25: 111-117.

DOI：10.1016/j.catcom.2011.12.017

• Soot oxidation
• Ceria
• Sol-gel
• Metallic filter
• Thin film

A three-layer metallic soot filter was coated with a CeO2 bufferlayer and a soot oxidation catalyst based on copper, molybdenum and cerium oxides. Deposition on the diesel particulate filter was performed by dipcoating from aqueous sol-gel media. The effect of dipcoating speed and use of several additives on the shielding effectiveness of the CeO2 thin film was studied. Thereby corrosion by the catalyst could be avoided. The catalytic activity and thermal stability were studied by thermogravimetric analysis on powder mixtures while catalyst coated filters were analyzed using a flow through reactor. The combustion temperature was lowered with at least 75 degrees C.

• 出版日期2012-8-5