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Polish Journal of Chemical Technology

Tytuł artykułu

Catalytic activity of cobalt and cerium catalysts supported on calcium hydroxyapatite in ethanol steam reforming

Autorzy Dobosz, J.  Hull, S.  Zawadzki, M. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
EN In this paper, Co,Ce/Ca10(PO4)6(OH)2 catalysts with various cobalt loadings for steam reforming of ethanol (SRE) were prepared by microwave-assisted hydrothermal and sol-gel methods, and characterized by XRD, TEM, TPR-H2, N2 adsorption-desorption measurements and cyclohexanol (CHOL) decomposition tests. High ethanol conversion (close to 100%) was obtained for the catalysts prepared by both methods but these ones prepared under hydrothermal conditions (HAp-H) ensured higher hydrogen yield (3.49 mol H2/mol C2H5OH) as well as higher amount of hydrogen formed (up to 70%) under reaction conditions. The superior performance of 5Co,10Ce/HAp-H catalyst is thought to be due to a combination of factors, including increased reducibility and oxygen mobility, higher density of basic sites on its surface, and improved textural properties. The results also show a significant effect of cobalt loading on catalysts efficiency in hydrogen production: the higher H2 yield exhibit catalysts with lower cobalt content, regardless of the used synthesis method.
Słowa kluczowe
EN hydroxyapatite   cobalt   cerium   ethanol steam reforming   hydrogen production  
Wydawca West Pomeranian University of Technology. Publishing House
Czasopismo Polish Journal of Chemical Technology
Rocznik 2016
Tom Vol. 18, nr 3
Strony 59--67
Opis fizyczny Bibliogr. 42 poz., rys., tab.
autor Dobosz, J.
  • Polish Academy of Sciences, Institute of Low Temperature and Structure Research, Department of Nanomaterials Chemistry and Catalysis, PO Box 1410, 50-950 Wroclaw, Poland
autor Hull, S.
  • Wroclaw University of Technology, Division of Chemistry and Technology Fuels, Gdanska 7/9, 50-344 Wrocław, Poland
autor Zawadzki, M.
  • Polish Academy of Sciences, Institute of Low Temperature and Structure Research, Department of Nanomaterials Chemistry and Catalysis, PO Box 1410, 50-950 Wroclaw, Poland,
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Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.
Kolekcja BazTech
Identyfikator YADDA bwmeta1.element.baztech-e150a882-740f-4c94-8027-2937329d089a
DOI 10.1515/pjct-2016-0049