Preparation of Ni—Mo/γ-Al2O3 Catalysts by Vacuum Impregnation and Their Use for Hydrodesulfurization of Dibenzothiophene
- Autores: Lin W.1, Fang Y.1, Li X.1, Zhou Y.1
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Afiliações:
- School of Chemical Engineering and Light Industry, Guangdong University of Technology
- Edição: Volume 53, Nº 5 (2017)
- Páginas: 779-786
- Seção: Article
- URL: https://journals.rcsi.science/0009-3092/article/view/235196
- DOI: https://doi.org/10.1007/s10553-017-0860-0
- ID: 235196
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Resumo
A dual metal Ni—Mo/γ-Al2O3 catalyst was prepared by saturated impregnation and H2 reduction pretreatment on γ-Al2O3 support with Ni as the active component and Mo as the promoter. The support and catalysts were characterized using x-ray diffraction, hydrogen temperature-programmed reduction, and scanning electron microscopy. The catalytic properties for the reaction of dibenzothiophene (DBT) were investigated in a high-pressure reactor. The hydrodesulfurization (HDS) activity was comparable with those of advanced desulfurization catalysts FHUDS-5 and FHUDS-6. The Ni—Mo catalyst had excellent dispersion characteristics on the support. Synergism between Ni and Mo was greatest at a Ni/Mo molar ratio of 2:1. The DBT conversion on Ni—Mo/γ-Al2O3 catalyst reached 100% at a reaction temperature of 300°C, pressure of 4 MPa, and reaction time of 150 min. The Ni—Mo/γ-Al2O3atalyst was significantly more active than the aforementioned two commercial FHUDS catalysts for HDS of DBT.
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Sobre autores
Wenjie Lin
School of Chemical Engineering and Light Industry, Guangdong University of Technology
Email: fangyx@gdut.edu.cn
República Popular da China, Guangzhou, Guangdong, 510006
Yanxiong Fang
School of Chemical Engineering and Light Industry, Guangdong University of Technology
Autor responsável pela correspondência
Email: fangyx@gdut.edu.cn
República Popular da China, Guangzhou, Guangdong, 510006
Xiaolu Li
School of Chemical Engineering and Light Industry, Guangdong University of Technology
Email: fangyx@gdut.edu.cn
República Popular da China, Guangzhou, Guangdong, 510006
Yanqiang Zhou
School of Chemical Engineering and Light Industry, Guangdong University of Technology
Email: fangyx@gdut.edu.cn
República Popular da China, Guangzhou, Guangdong, 510006
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