Abstract
A study was carried out on the properties of Ni/Al2O3 and Cu-ZnO/Al2O3 composites supported on ceramic honeycomb monoliths made from synthetic cordierite in the carbon dioxide conversion of methane and the partial oxidation of methanol. The structured nickel-alumina catalysts are significantly more efficient than the conventional granulated catalysts. The improved working stability of these catalysts was achieved by adjusting the acid-base properties of the surface by introducing sodium and potassium oxides, which leads to inhibition of surface carbonization. The hydrogen yield was close to 90% in the partial oxidation of methanol with a stoichiometric reagent ratio in the presence of the Cu-ZnO/Al2O3/cordierite catalyst. A synergistic effect was found, reducing the selectivity of CO formation in the presence of the Cu-ZnO catalyst relative to samples derived from the individual components Cu and ZnO.
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Translated from Teoreticheskaya i Éksperimental’naya Khimiya, Vol. 43, No. 5, pp. 299–306, September–October, 2007.
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Solov’ev, S.A., Kapran, A.Y. & Orlik, S.N. Oxidative conversion of methane and methanol on M/Al2O3/cordierite structured metal oxide catalysts (m = Ni, Cu, Zn). Theor Exp Chem 43, 325–333 (2007). https://doi.org/10.1007/s11237-007-0040-0
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DOI: https://doi.org/10.1007/s11237-007-0040-0