Reaction Kinetics and Catalysis Letters

, Volume 33, Issue 2, pp 429–434 | Cite as

Effect of the support on the coking of nickel catalysts in hydrocarbon steam reforming

  • T. Borowiecki


Experiments on the coking rates of variously prepared nickel catalysts on TiO2, Al2O3 and MgO in n-butane steam reforming show that changes in the relative coking rate at a rising steam excess in the gas phase depend mainly on the kind of support. The results obtained are accounted for by changes in the electron density at the site of nickel crystallite contact with the surface of various supports.


TiO2 Physical Chemistry Nickel Al2O3 Steam 
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Исследование скорости коксования никелевых катализаторов, приготовленных различным образом на TiO2, Al2O3 и MgO, в паровом крекинге н-бутана указывают на то, что изменения в относительной скорости коксования, при возрастающем избытке водяного пара в газовой фазе, зависят, в основном, от типа носителя. Полученные результаты приписывают изменениям электронной плотности на месте контакта никелевого кристаллита с поверхностью различных носителей.


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Copyright information

© Akadémiai Kiadó 1987

Authors and Affiliations

  • T. Borowiecki
    • 1
  1. 1.Department of Chemical TechnologyInstitute of Chemistry Maria Curie-Sklodowska UniversityLublinPoland

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