Fe/Cr比对乙烷氧化脱氢过程中FeCr/C催化剂催化活性的影响

IF 1.3 Q4 ENGINEERING, CHEMICAL

Catalysis in Industry Pub Date : 2025-06-24 DOI:10.1134/S2070050425700060

I. I. Mishanin, T. V. Bogdan, T. V. Fedoseev, M. A. Skiba, P. A. Chernavskii, A. E. Koklin, K. I. Maslakov, V. I. Bogdan

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引用次数: 0

摘要

分析了活性组分（Fe和Cr）的比例对FeCr/C催化剂乙烷与CO2氧化脱氢反应活性的影响。在2Fe3.7Cr/C催化剂上取得了最好的效果，其中Fe: Cr比符合铁（II）铬铁（FeCr2O4）的化学计量。对所制备催化剂的理化性质进行了测定和分析（XRD、XPS、磁强计）。根据获得的全部数据，可以假设存在铁（II）铬铁矿相。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Effect of Fe/Cr Ratio on the Catalytic Activity of FeCr/C Catalysts in the Process of Oxidative Dehydrogenation of Ethane

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Effect of Fe/Cr Ratio on the Catalytic Activity of FeCr/C Catalysts in the Process of Oxidative Dehydrogenation of Ethane

The influence of the ratio of active components (Fe and Cr) on the catalytic activity of FeCr/C catalysts in the oxidative dehydrogenation of ethane with CO₂ was analyzed. The best results were achieved on the 2Fe3.7Cr/C catalyst, in which the Fe : Cr ratio corresponded to the stoichiometry of iron(II) chromite FeCr₂O₄. The physicochemical characteristics of the prepared catalysts were determined and analyzed (XRD, XPS, magnetometry). Based on the totality of the data obtained, it is possible to assume the presence of the iron(II) chromite phase.

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来源期刊

Catalysis in Industry ENGINEERING, CHEMICAL-

CiteScore

1.30

自引率

14.30%

发文量

期刊介绍： The journal covers the following topical areas: Analysis of specific industrial catalytic processes: Production and use of catalysts in branches of industry: chemical, petrochemical, oil-refining, pharmaceutical, organic synthesis, fuel-energetic industries, environment protection, biocatalysis; technology of industrial catalytic processes (generalization of practical experience, improvements, and modernization); technology of catalysts production, raw materials and equipment; control of catalysts quality; starting, reduction, passivation, discharge, storage of catalysts; catalytic reactors.Theoretical foundations of industrial catalysis and technologies: Research, studies, and concepts : search for and development of new catalysts and new types of supports, formation of active components, and mechanochemistry in catalysis; comprehensive studies of work-out catalysts and analysis of deactivation mechanisms; studies of the catalytic process at different scale levels (laboratory, pilot plant, industrial); kinetics of industrial and newly developed catalytic processes and development of kinetic models; nonlinear dynamics and nonlinear phenomena in catalysis: multiplicity of stationary states, stepwise changes in regimes, etc. Advances in catalysis: Catalysis and gas chemistry; catalysis and new energy technologies; biocatalysis; nanocatalysis; catalysis and new construction materials.History of the development of industrial catalysis.