Transport Reagents through the Pore Structure of a Membrane Catalyst under Isothermal and Non-Isothermal Conditionsстатья
Статья опубликована в высокорейтинговом журнале
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 17 августа 2021 г.
Аннотация:The article presents the results of an experimental comparison of methane transport inthe pore structure of a membrane catalyst under isothermal and non-isothermal Knudsen diffusionconditions. It is shown that under the conditions of non-isothermal Knudsen diffusion in the porestructure of the membrane catalyst, there is a coupling of dry reforming of the methane (DRM) andgas transport, which leads to the intensification of this process. The reasons for the intensification arechanges in the mechanism of gas transport, an increase in the rate of mass transfer, and changes inthe mechanism of some stages of the DRM. The specific rate constant of the methane dissociationreaction on a membrane catalyst turned out to be an order of magnitude (40 times) higher than thisvalue on a traditional (powder) catalyst.