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- W41636612 abstract "This work focuses on methane and ethanol conversion to hydrogen in the presence of a catalyst in order to increase the selectivity of the desired product (H₂) and reduce carbon monoxide emission and coke formation. Two kinds of active phase were used (copper and ruthenium) and impregnated on calcined hydrotalcites CoₓMg₆₋ₓAl₂ in order to be evaluated in the methane and ethanol steam reforming reactions. For both reactions, the influence of several factors was evaluated in order to adjust the reaction parameters. It has been shown that catalysts performances for the reforming reactions depend on the content of cobalt and magnesium. High cobalt content enhanced the catalytic activity. 1Ru/Co₆Al₂ catalyst presented the highest activity and stability in the methane steam reforming reaction among the other industrial and prepared catalysts even under a low GHSV and with no hydrogen pretreatment. Reduced ruthenium and cobalt were detected after the reaction by XRD. EPR technique was able to detect negligible amount of two kinds of carbonaceous species formed during the reaction : coke and carbon. On the other hand, 5Cu/Co₆Al₂ catalyst revealed the highest hydrogen productivity in the ethanol steam reforming reaction. However, it suffers from coke formation that deactivated the catalysts after few hours. 5Cu/Co₂Mg₄Al₂ catalyst showed a much lower quantity of carbonaceous species with no deactivating during 50 hours due to the basic character of the magnesium oxide phase present in the support." @default.
- W41636612 created "2016-06-24" @default.
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- W41636612 date "2012-12-14" @default.
- W41636612 modified "2023-09-25" @default.
- W41636612 title "Steam reforming of methane ans ethanol over CoₓMg₆₋ₓAl₂, Ru/CoₓMg₆₋ₓAl₂ and Cu/CoₓMg₆₋ₓAl₂ catalysts" @default.
- W41636612 hasPublicationYear "2012" @default.
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