期刊
CATALYSIS COMMUNICATIONS
卷 72, 期 -, 页码 116-120出版社
ELSEVIER
DOI: 10.1016/j.catcom.2015.09.013
关键词
Diesel soot combustion; Aerosol spray drying; Catalytic ceramic paper; Exhaust catalyst; Cerium; Cobalt
资金
- Ministry of Science, Technology and Productive Innovation of Argentina (MINCyT)
- Fonds de la Recherche Scientifique (FNRS) of the French Community of Belgium [BE/12/02]
A spray method is proposed to improve the catalytic properties of ceramic papers to be used as catalytic filters for removing diesel soot particles. Small particles of Ce and Co oxides, acting as active centers for the combustion of the soot retained by the filter, are efficiently and homogeneously deposited. On the contrary, the application of the conventional drip method results in bigger particles mainly agglomerated at the crossings between the fibers of the ceramic paper. As a result, catalytic papers prepared by the spray method exhibit much higher performance with soot combustion temperatures decreased by similar to 30 degrees C. (C) 2015 Published by Elsevier B.V.
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