Effect of the support on the coking of nickel catalysts in hydrocarbon steam reforming |
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Authors: | T Borowiecki |
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Institution: | (1) Department of Chemical Technology, Institute of Chemistry Maria Curie-Sklodowska University, 20-031 Lublin, Poland |
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Abstract: | 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, Al2O3 MgO, - , , , , , . . |
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