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

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

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 di...

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Veröffentlicht in:Energy & environmental science 2009-01, Vol.2 (3), p.315-321
Hauptverfasser: Abe, Takayuki, Tanizawa, Masaaki, Watanabe, Kuniaki, Taguchi, Akira
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Sprache:eng
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Carbon dioxide
Drying
Methanation
Nanocomposites
Nanomaterials
Nanoparticles
Nanostructure
Titanium dioxide
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creator Abe, Takayuki
Tanizawa, Masaaki
Watanabe, Kuniaki
Taguchi, Akira
description 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 [degree]C, which is more than 200 [degree]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 [small micro]mol min-1 g-1.
doi_str_mv 10.1039/B817740F
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source Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection
subjects Carbon dioxide
Drying
Methanation
Nanocomposites
Nanomaterials
Nanoparticles
Nanostructure
Titanium dioxide
title CO2 methanation property of Ru nanoparticle-loaded TiO2 prepared by a polygonal barrel-sputtering method
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