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Fast and Reproducible Testing of Cu–Co-Based Catalysts Applied in the Conversion of Synthesis Gas to Ethanol and Higher Alcohols

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Abstract

A test procedure for alkali-free Cu–Co-based catalysts synthesized by co-precipitation was established allowing the fast assessment and screening of their catalytic properties in the synthesis of higher alcohols by online GC analysis. Due to precisely controlled initial deactivation of the catalysts at 280 °C long-term measurements were avoided and steady-state conditions at 260 °C were reached within a short period of time. Temperatures up to 300 °C were found to favor the formation of methanol, whereas the product distribution was not affected at lower space velocities. Even traces of alkali ions present due to insufficient washing were found to strongly affect the catalytic properties.

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Acknowledgments

The work was part of the project “Bioethanol from synthesis gas—BETSY”, funded by the Ministry for Economy, Energy, Building, Habitation and Transportation of Northrhine-Westphalia within the program Ziel2.NRW financed by the European Union through the European regional development fund ERDF.

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Authors and Affiliations

  1. Laboratory of Industrial Chemistry, Ruhr-University Bochum, Universitätsstr. 150, 44801, Bochum, Germany

    Johan Anton, Holger Ruland & Martin Muhler

  2. Fraunhofer Umsicht, Osterfelderstr. 3, 46047, Oberhausen, Germany

    Stefan Kaluza

Authors
  1. Johan Anton
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  2. Holger Ruland
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  3. Stefan Kaluza
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  4. Martin Muhler
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Correspondence to Martin Muhler.

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Anton, J., Ruland, H., Kaluza, S. et al. Fast and Reproducible Testing of Cu–Co-Based Catalysts Applied in the Conversion of Synthesis Gas to Ethanol and Higher Alcohols. Catal Lett 145, 1374–1381 (2015). https://doi.org/10.1007/s10562-015-1543-2

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  • DOI: https://doi.org/10.1007/s10562-015-1543-2

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