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The Influence of Preparation Procedures on Hydrogenation CO2 to Formic Acid over Supported Ru Catalysts

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Abstract:

A series of catalysts made of ruthenium loaded on γ-Al2O3 nanorods were prepared to study the effects of preparation procedure on their catalytic performances for hydrogenation CO2 to formic acid. The catalysts are characterized by XRD, nitrogen adsorption measurement and H2-TPR in detail. The results reveal that the catalytic activity is determined by the structure of supported ruthenium oxide species. The dispersion of RuOx is influenced by the preparation procedures. Optimal activity of catalyst for the hydrogenation of CO2 to formic acid is achieved over a γ-Al2O3 nanorods supported 2.0 wt% ruthenium catalyst, which is prepared by calcinations at 573 K in flowing air for 6h.

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Periodical:

Advanced Materials Research (Volumes 881-883)

Pages:

283-286

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.881-883.283

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Online since:

January 2014

Authors:

Na Liu*, Jie Lei, Meng Yao Li, Peng Wang

Keywords:

Formic Acid, Hydrogenation of CO2, Preparation Procedures, Supported Ru Catalyst

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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