Fabrication of SBA-15-Supported Nanoscale Co3O4 and Its Use in the Catalytic Hydrogenation of Cinnamaldehyde

IF 0.7 Q4 ENGINEERING, CHEMICAL

Catalysis in Industry Pub Date : 2025-01-27 DOI:10.1134/S2070050424700223

Ruhul Amin Bepari, Birinchi Kumar Das

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引用次数: 0

Abstract

Nanoscale Co₃O₄ has successfully been supported onto the mesoporous SBA-15 following two methods viz. direct deposition (DD) and isonicotinate ligand assisted (INL) route. The later method (INL) involves the formation of cobalt isonicotinate tetrahydrate complex inside mesopore volumes of SBA-15 and subsequent calcination of the cobalt complex loaded SBA-15 composite. The present method is found to be advantageous in reducing the formation of oxide particles outside mesopores. The synthesized materials are investigated by various physical tools such as XRD, SEM, TEM and H₂-TPR in combination with N₂ adsorption-desorption study. As a promoter, little amount of gold is also deposited in SBA-15 supported Co₃O₄ samples and all these materials are explored as catalysts in the hydrogenation of cinnamaldehyde. The composite material that is synthesized via DD method has shown promising results in the hydrogenation reaction giving 50% cinnamaldehyde (CAL) conversion with 66% selectivity for hydrocinnamaldehyde (HCAL) at 170°C under the hydrogen pressure of 2 MPa.

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sba -15负载纳米Co3O4的制备及其在肉桂醛催化加氢中的应用

采用直接沉积（DD）和异烟酸配体辅助（INL）两种方法成功地将纳米级Co3O4负载到介孔SBA-15上。后一种方法（INL）是在SBA-15的介孔体积内形成异烟酸钴四水合物配合物，然后煅烧钴配合物负载SBA-15复合材料。发现本方法有利于减少介孔外氧化物颗粒的形成。采用XRD、SEM、TEM、H2-TPR等多种物理工具结合N2吸附-脱附研究对合成材料进行了表征。在SBA-15负载的Co3O4样品中也有少量的金作为促进剂沉积，这些材料都作为肉桂醛加氢的催化剂进行了探索。用DD法合成的复合材料在170℃的加氢条件下，在2 MPa的氢压力下，肉桂醛（CAL）的转化率为50%，加氢肉桂醛（HCAL）的选择性为66%，取得了良好的效果。

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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.