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Reaction kinetics of methanol oxidation and decomposition on an SNM-1 catalyst as studied using an improved flow-circulation system

  • Catalysis in Chemical and Petrochemical Industry
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Abstract

Methanol is a product of the large-scale chemical industry; it is promising for use as an alternative motor fuel and a hydrogen source for fuel cells. In actual practice, an approximate integral method, which does not allow one to measure the rates of reactions, is used to study the kinetics of catalytic reactions of methanol conversion. The kinetics can be most correctly studied experimentally using differential methods, primarily, a flow-circulation method, which has been considerably improved in the past few years. The improvements consist in the possibility of directly determining the rate of reaction (catalytic activity) at a specified composition of the contact reaction mixture. For the single-path process of the deep oxidation of methanol at 260–320°C, the absolute values of rates and apparent activation energy were obtained. For the multipath process of methanol decomposition, it was found that the activity and selectivity of reaction changed under variations in the fictitious contact time, and the catalytic conversion products of methanol exerted a considerable effect on these parameters. The advantages of the improved experimental system proposed, based on a flow-circulation method for the rapid determination of the activity and selectivity of methanol conversion, were demonstrated.

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Authors and Affiliations

  1. Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russia

    I. Yu. Pakharukov, N. N. Bobrov & V. N. Parmon

  2. Novosibirsk State University, Novosibirsk, 630090, Russia

    I. Yu. Pakharukov, N. N. Bobrov & V. N. Parmon

Authors
  1. I. Yu. Pakharukov
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  2. N. N. Bobrov
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  3. V. N. Parmon
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Original Russian Text © I.Yu. Pakharukov, N.N. Bobrov, V.N. Parmon, 2009, published in Kataliz v Promyshlennosti.

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Pakharukov, I.Y., Bobrov, N.N. & Parmon, V.N. Reaction kinetics of methanol oxidation and decomposition on an SNM-1 catalyst as studied using an improved flow-circulation system. Catal. Ind. 1, 95–101 (2009). https://doi.org/10.1134/S2070050409020019

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  • DOI: https://doi.org/10.1134/S2070050409020019

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