Complete Oxidation of Toluene Over Supported Palladium Catalysts: Effect of Support
The catalytic oxidation of toluene was carried out to investigate the effect of the support on the properties and performance of a supported palladium catalyst (1 wt% loading). γ-Al2O3, SiO2 and TiO2 were used as supports. The
properties of the prepared catalysts were characterized by XRD, BET, PT, TPD, TPR, XPS and FE-TEM analyses. The experimental results showed that the order of catalytic performance was 1 wt% Pd/TiO2> 1 wt% Pd/SiO2> 1 wt% Pd/γ-Al2O3.
A strong interaction between the palladium and support was found, which affected the palladium surface concentration and particle size. The higher catalytic activity of the Pd/TiO2 catalyst was attributed to the higher palladium surface concentration and larger particle size.
Keywords: Catalyst; Oxidation; Palladium; Support; VOCs
Document Type: Research Article
Affiliations: 1: Department of Environmental Education, Mokpo National University, 61, Muan, 534-729, Korea 2: Department of Environment and Energy Engineering, Chonnam National University, Gwangju, 500-757, Korea 3: Department of Polymer Science and Engineering, Sunchon National University, Suncheon, 540-950, Jeonnam, Korea 4: Department of Environmental Engineering, The University of Seoul, Seoul, 130-743, Korea
Publication date: 01 May 2016
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