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Porous Metal Oxides as Catalysts

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Abstract

Porous CoO/Mn2O3 Fischer-Tropsch (F-T) catalysts have been studied in CO hydrogenation. These CoO/Mn2O3 catalysts have been synthesized by incipient wetness impregnation method. These mesoporous catalysts have pore diameters of 2-25 nm and a surface area of 9.0 m2/g. The gas and liquid products have been analyzed by an online gas chromatograph. The solid products were characterized by gas chromatograph-mass spectroscopy. These microsize cobalt catalysts exhibit good activity with 72.1% CO conversion and they are very stable in a 48 h stream test at 280ºC. The selectivity to paraffins is above 95%. Few wax products were synthesized with a yield of less than 2%. The size effects of the cobalt catalysts have been studied by scanning electron microscopy.

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Acknowledgments

This project was funded by the Chemical Sciences, Geosciences, and Biosciences Division of the Office of Basic Energy Sciences, and Office of Science, U.S. Department of Energy and Honda Research Institute, USA. Inc.

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Authors and Affiliations

  1. Institute of Materials Science, University of Connecticut, Storrs, CT, 06269, USA

    Boxun Hu & Steven L. Suib

  2. Honda Research Institute USA, Inc., 1381 Kinnear Rd. Suite 116, Columbus, OH, 43212, USA

    Christopher Brooks & Eric Kreidler

  3. Department of Chemistry, University of Connecticut, Storrs, CT, 06269, USA

    Steven L. Suib

Authors
  1. Boxun Hu
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  2. Christopher Brooks
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  3. Eric Kreidler
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  4. Steven L. Suib
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Hu, B., Brooks, C., Kreidler, E. et al. Porous Metal Oxides as Catalysts. MRS Online Proceedings Library 1446, 55–59 (2012). https://doi.org/10.1557/opl.2012.956

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