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Gold-Supported Catalysts for Medium Temperature-Water Gas Shift Reaction

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Abstract

Water gas shift (WGS) reaction can lead to a reduction of the CO content in the H2-rich gas derived from HCs reforming to about 0.5–1%. Au-based catalysts supported on CeO2 and CeO2-based mixed oxides were prepared, characterized and tested for a potential application in a medium temperature WGS stage. In particular, catalytic activity tests performed with a realistic reformate stream (40% H2, 20% H2O, 11% CO2, 5% CO in He) showed how a 3% Au catalyst supported on CeO2 + ZrO2 reached equilibrium conditions at about 400 °C at WSV = 0.333 NL min−1 g −1cat .

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Acknowledgements

Institute CNR-IMM “Consiglio Nazionale delle Ricerche—Istituto per la Microelettronica e Microsistemi” (Catania, Italy) is gratefully acknowledged for the support in HRTEM analysis.

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Authors and Affiliations

  1. Department of Materials Science and Chemical Engineering, Politecnico di Torino, Corso Duca degli Abruzzi, 24, 10129, Torino, Italy

    C. Galletti, S. Specchia, G. Saracco & V. Specchia

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  1. C. Galletti
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  2. S. Specchia
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  3. G. Saracco
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  4. V. Specchia
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Correspondence to C. Galletti.

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Galletti, C., Specchia, S., Saracco, G. et al. Gold-Supported Catalysts for Medium Temperature-Water Gas Shift Reaction. Top Catal 52, 688–692 (2009). https://doi.org/10.1007/s11244-009-9213-5

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  • DOI: https://doi.org/10.1007/s11244-009-9213-5

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