用于糠醛加氢转化的高负载含铜催化剂

IF 0.7 Q4 ENGINEERING, CHEMICAL
S. A. Selishcheva, A. A. Sumina, O. A. Bulavchenko, V. A. Yakovlev
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引用次数: 0

摘要

摘要 本文研究了采用不同方法(溶胶-凝胶法、熔融法、共沉淀法)合成的高负载含铜催化剂在氢气压力为 5.0 兆帕、温度为 100°C 的间歇反应器中进行糠醛加氢转化的情况。通过物理化学方法确定了催化剂的还原温度和相组成。结果表明,在所研究的工艺中,共沉淀铜氧化铝催化剂的活性最高,在 100-130°C 的温度下,其生产糠醇的选择性为 100%;此外,在该催化剂存在的情况下,在 200°C 的温度下,可合成 2-甲基呋喃,产率为 65%。已测定了在选定温度下还原的催化剂和反应后催化剂的相组成。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

High-Loaded Copper-Containing Catalysts for Furfural Hydroconversion

High-Loaded Copper-Containing Catalysts for Furfural Hydroconversion

High-Loaded Copper-Containing Catalysts for Furfural Hydroconversion

In this paper, high-loaded copper-containing catalysts synthesized by the different methods (sol–gel, fusion, coprecipitation) have been studied in furfural hydroconversion in a batch reactor at a hydrogen pressure of 5.0 MPa and a temperature of 100°C. The reduction temperatures and phase composition of the catalysts have been determined by physicochemical methods. It has been shown that the highest activity in the studied process is exhibited by a coprecipitated copper–alumina catalyst, which provides the production of furfuryl alcohol with a selectivity of 100% at 100–130°C; in addition, in the presence of this catalyst, 2-methylfuran can be synthesized with a yield of 65% at 200°C. The phase composition of the catalyst reduced at a selected temperature and the catalyst after reaction has been determined.

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来源期刊
Catalysis in Industry
Catalysis in Industry ENGINEERING, CHEMICAL-
CiteScore
1.30
自引率
14.30%
发文量
21
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.
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