CO2 methanation property of Ru nanoparticle-loaded TiO 2 prepared by a polygonal barrel-sputtering method

Takayuki Abe; Masaaki Tanizawa; Kuniaki Watanabe; Akira Taguchi

doi:10.1039/b817740f

CO₂ methanation property of Ru nanoparticle-loaded TiO ₂ prepared by a polygonal barrel-sputtering method

Takayuki Abe^*, Masaaki Tanizawa, Kuniaki Watanabe, Akira Taguchi

^*Corresponding author for this work

Hydrogen Isotope Research Center, Organization for Promotion of Research

Research output: Contribution to journal › Article › peer-review

280 Scopus citations

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 mol min^-1 g^-1.

Original language	English
Pages (from-to)	315-321
Number of pages	7
Journal	Energy and Environmental Science
Volume	2
Issue number	3
DOIs	https://doi.org/10.1039/b817740f
State	Published - 2009

ASJC Scopus subject areas

Environmental Chemistry
Renewable Energy, Sustainability and the Environment
Nuclear Energy and Engineering
Pollution

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1039/b817740f

Cite this

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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 mol min-1 g-1.",

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AB - 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 mol min-1 g-1.

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