Preparation of highly dispersed silicon spheres supported cobalt-based catalysts and their catalytic performance for Fischer-Tropsch synthesis

Q3 Energy 燃料化学学报 Pub Date : 2023-05-01 DOI:10.1016/S1872-5813(22)60078-1
Meng ZHANG, Jia LIU, Yu-hua ZHANG, Li WANG, Jin-lin LI, Jing-ping HONG
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引用次数: 1

Abstract

A series of silicon spheres supported cobalt catalysts were prepared by incipient wetness impregnation followed by decomposition under treatment of glow discharge plasma with different intensities. The catalysts were characterized by X-ray powder diffraction, N2 physical adsorption-desorption, H2 temperature-programmed reduction, transmission electron microscope and Fourier-Transform Infrared spectroscopy. The Fischer-Tropsch synthesis performance were tested on a fixed bed reactor. The influence of plasma treatment on cobalt dispersion, reducibility and cobalt-support interaction were analyzed and discussed. The results showed that the plasma-treated catalysts had better catalytic performance than the calcined sample. The Co/SP-P650W catalyst showed the highest reaction activity due to the proper cobalt dispersion and higher cobalt reducibility.

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高分散硅球负载钴基催化剂的制备及其在费托合成中的催化性能
采用初湿浸渍法制备了一系列硅球负载钴催化剂,然后在不同强度的辉光放电等离子体处理下进行分解。通过X射线粉末衍射、N2物理吸附-解吸、H2程序升温还原、透射电子显微镜和傅立叶变换红外光谱对催化剂进行了表征。在固定床反应器上测试了费托合成性能。分析和讨论了等离子体处理对钴分散性、还原性和钴-载体相互作用的影响。结果表明,等离子体处理的催化剂比煅烧样品具有更好的催化性能。Co/SP-P650W催化剂由于适当的钴分散和较高的钴还原性而显示出最高的反应活性。
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来源期刊
燃料化学学报
燃料化学学报 Chemical Engineering-Chemical Engineering (all)
CiteScore
2.80
自引率
0.00%
发文量
5825
期刊介绍: Journal of Fuel Chemistry and Technology (Ranliao Huaxue Xuebao) is a Chinese Academy of Sciences(CAS) journal started in 1956, sponsored by the Chinese Chemical Society and the Institute of Coal Chemistry, Chinese Academy of Sciences(CAS). The journal is published bimonthly by Science Press in China and widely distributed in about 20 countries. Journal of Fuel Chemistry and Technology publishes reports of both basic and applied research in the chemistry and chemical engineering of many energy sources, including that involved in the nature, processing and utilization of coal, petroleum, oil shale, natural gas, biomass and synfuels, as well as related subjects of increasing interest such as C1 chemistry, pollutions control and new catalytic materials. Types of publications include original research articles, short communications, research notes and reviews. Both domestic and international contributors are welcome. Manuscripts written in Chinese or English will be accepted. Additional English titles, abstracts and key words should be included in Chinese manuscripts. All manuscripts are subject to critical review by the editorial committee, which is composed of about 10 foreign and 50 Chinese experts in fuel science. Journal of Fuel Chemistry and Technology has been a source of primary research work in fuel chemistry as a Chinese core scientific periodical.
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