Effect of preparation method of nanosized zeolite HY-Al<sub>2</sub>O<sub>3</sub> composite as NiMo catalyst support on diesel HDS

YIN Hai-liang; LIU Xin-liang; ZHOU Tong-na; LIN Ai-guo

Volume 46 Issue 8

Aug. 2018

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Article Navigation > Journal of Fuel Chemistry and Technology > 2018 > 46(8): 950-956

YIN Hai-liang, LIU Xin-liang, ZHOU Tong-na, LIN Ai-guo. Effect of preparation method of nanosized zeolite HY-Al2O3 composite as NiMo catalyst support on diesel HDS[J]. Journal of Fuel Chemistry and Technology, 2018, 46(8): 950-956.

Citation:

YIN Hai-liang, LIU Xin-liang, ZHOU Tong-na, LIN Ai-guo. Effect of preparation method of nanosized zeolite HY-Al₂O₃ composite as NiMo catalyst support on diesel HDS[J]. Journal of Fuel Chemistry and Technology, 2018, 46(8): 950-956.

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Effect of preparation method of nanosized zeolite HY-Al₂O₃ composite as NiMo catalyst support on diesel HDS

1.
Academy of Science & Technology, China University of Petroleum(huadong), Dongying 257061, China
2.
Environmental Protection Agency of Dongying, Dongying 257300, China

Funds:

National Natural Science Foundation of China 21206197

Shandong Provincial Natural Science Foundation, China 2016GSF117030

Promotive Research Fund for Excellent Young and Middle-aged Scientists of Shandong Province, China BS2013CL021

More Information

Corresponding author: YIN Hai-liang, Tel: 86-546-839-3193, E-mail: yinhl@upc.edu.cn
Received Date: 2018-03-23
Rev Recd Date: 2018-06-25

Available Online: 2021-01-23

Publish Date: 2018-08-10

Abstract

Abstract

Two NiMo catalysts using the nanosized zeolite HY-Al₂O₃ composite (labeled as NYA) prepared by mechanical mixing method and sol-gel method as the support were prepared and characterized by XRD, BET, TPD, H₂-TPR, HRTEM and FT-IR spectroscopy. The former catalyst possessed larger pore volume and specific surface area, more acid amount, superior reducibility of metal phase and higher dispersion of edge and corner Mo atoms, and showed higher hydrodesulfurization (HDS) performance. Compared with the former catalyst, the latter catalyst had more MoO₃ to be converted to active type-Ⅱ NiMoS phase, possessed higher stacking degree and bigger length of MoS₂ slabs, and showed lower active phase dispersion. Although the sol-gel method was beneficial to increase the precursor ratio of type-Ⅱ NiMoS phase, the poor pore structure caused by this method inhibited this advantage and reduced the catalytic activity of the catalyst.
- nanosized zeolite,
- hydrodesulfurization,
- hybrid mode

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References(24)

References

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