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Issue 3, 2009
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CO2 methanation property of Ru nanoparticle-loaded TiO2 prepared by a polygonal barrel-sputtering method

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Abstract

Highly dispersed Ru nanoparticles loaded on a TiO2 support (Ru/TiO2(B)), which affects the hydrogenation of CO2 to CH4 (methanation), were prepared by employing a “dry” modification method using a barrel-sputtering instrument. The loaded Ru nanoparticles exhibited a narrow particle-size distribution with a mean diameter of ca. 2.5 nm. Methanation of CO2 on the Ru/TiO2(B) catalyst produced a 100% yield at ca. 160 °C, which is more than 200 °C below that required for Ru/TiO2 prepared by a conventional “wet” impregnation method. In addition, the methanation reaction over Ru/TiO2(B) proceeded at temperatures as low as room temperature with a reaction rate of 0.04 µmol min−1 g−1.

Graphical abstract: CO2 methanation property of Ru nanoparticle-loaded TiO2 prepared by a polygonal barrel-sputtering method

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Publication details

The article was received on 08 Oct 2008, accepted on 05 Dec 2008 and first published on 14 Jan 2009


Article type: Paper
DOI: 10.1039/B817740F
Citation: Energy Environ. Sci., 2009,2, 315-321
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    CO2 methanation property of Ru nanoparticle-loaded TiO2 prepared by a polygonal barrel-sputtering method

    T. Abe, M. Tanizawa, K. Watanabe and A. Taguchi, Energy Environ. Sci., 2009, 2, 315
    DOI: 10.1039/B817740F

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