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Influence of sodium salts on the catalytic properties of iron-molybdenum oxide catalysts in the oxidation of methanol to formaldehyde

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Abstract

The introduction of Na2MoO4, NaCl and NaNO3 in amounts containing 0.4 wt.% Na into iron-molybdenum catalysts with a Mo/Fe atom ratio of 2.5 and 1.5 decreases the activity of the initial samples by a factor of 10 to 12. The selectivity remains unchanged. The introduction of sodium into supported catalysts leads also to a decrease in selectivity. An explanation of the observed effects is proposed.

Abstract

Введение солей Na2MoO4, NaCl и NaNO3 в железомолибденовые катализаторы с атомным отношением Mo/Fe=2,5 и 1,5 в количестве до 0,4% вес Na приводит к уменьшению активности исходных образцов в 10–12 раз. Избирательность при этом не изменяется. В случае нанесенных катализаторов введение натрия приводит и к уменьшению избирательности. Предложено объяснение наблюдаемым явлениям.

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Authors and Affiliations

  1. Institute of Catalysis, Novosibirsk, USSR

    B. I. Popov, L. N. Shkuratova & N. G. Skorokhova

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  1. B. I. Popov
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  2. L. N. Shkuratova
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  3. N. G. Skorokhova
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Popov, B.I., Shkuratova, L.N. & Skorokhova, N.G. Influence of sodium salts on the catalytic properties of iron-molybdenum oxide catalysts in the oxidation of methanol to formaldehyde. React Kinet Catal Lett 3, 463–469 (1975). https://doi.org/10.1007/BF02097993

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  • DOI: https://doi.org/10.1007/BF02097993

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