Title: | Supported cobalt catalysts - preparation, characterization and reaction studies |
Author(s): | Backman, Leif |
Date: | 2009 |
Language: | en |
Pages: | Verkkokirja (440 KB, 59 s.) |
Department: | Biotekniikan ja kemian tekniikan laitos |
ISBN: | 978-951-22-9865-5 978-951-22-9864-8 (printed) |
Series: | TKK dissertations, 162 |
ISSN: | 1795-4584 |
Subject: | Chemistry |
Keywords: | cobalt catalysts, cobalt acetylacetonate, reducibility, dispersion, hydrogenation, ALD |
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Abstract:The aim of this work was to understand on the effect of thermal treatments, precursor and support on the interaction between the support and cobalt species, and further how the interaction affects the reducibility and dispersion of the catalyst. Silica and alumina supported cobalt catalysts were prepared, characterised and tested for catalytic activity. The catalysts were prepared by gas phase deposition techniques from cobalt acetylacetonate and cobalt carbonyl and by incipient wetness impregnation from cobalt nitrate.
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Parts:[Publication 1]: M. K. Niemelä, L. Backman, A. O. I. Krause, and T. Vaara. 1997. The activity of the Co/SiO2 catalyst in relation to pretreatment. Applied Catalysis A: General, volume 156, number 2, pages 319-334.[Publication 2]: Aimo Rautiainen, Marina Lindblad, Leif B. Backman, and Riikka L. Puurunen. 2002. Preparation of silica-supported cobalt catalysts through chemisorption of cobalt(II) and cobalt(III) acetylacetonate. Physical Chemistry Chemical Physics, volume 4, number 11, pages 2466-2472.[Publication 3]: L. B. Backman, A. Rautiainen, M. Lindblad, O. Jylhä, and A. O. I. Krause. 2001. Characterisation of Co/SiO2 catalysts prepared from Co(acac)3 by gas phase deposition. Applied Catalysis A: General, volume 208, numbers 1-2, pages 223-234.[Publication 4]: L. B. Backman, A. Rautiainen, A. O. I. Krause, and M. Lindblad. 1998. A novel Co/SiO2 catalyst for hydrogenation. Catalysis Today, volume 43, numbers 1-2, pages 11-19.[Publication 5]: Sari Suvanto, Tapani A. Pakkanen, and Leif Backman. 1999. Controlled deposition of Co2(CO)8 on silica in a fluidized bed reactor: IR, chemisorption and decomposition studies. Applied Catalysis A: General, volume 177, number 1, pages 25-36.[Publication 6]: L. B. Backman, A. Rautiainen, M. Lindblad, and A. O. I. Krause. 2000. Effect of support and calcination on the properties of cobalt catalysts prepared by gas phase deposition. Applied Catalysis A: General, volume 191, numbers 1-2, pages 55-68.[Publication 7]: L. B. Backman, A. Rautiainen, M. Lindblad, and A. O. I. Krause. 2009. The interaction of cobalt species with alumina on Co/Al2O3 catalysts prepared by atomic layer deposition. Applied Catalysis A: General, volume 360, number 2, pages 183-191.[Errata file]: Errata of publication 6 |
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