Preparation of CoMo/γ-Al2O3 catalyst for hydrodesulfurization by impregnation with pulsed electromagnetic fields

PENG Shu-jing; WANG Jian-zhong; TANG Li-dan; TANG Ke

Volume 46 Issue 12

Dec. 2018

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PENG Shu-jing, WANG Jian-zhong, TANG Li-dan, TANG Ke. Preparation of CoMo/γ-Al2O3 catalyst for hydrodesulfurization by impregnation with pulsed electromagnetic fields[J]. Journal of Fuel Chemistry and Technology, 2018, 46(12): 1498-1504.

Citation:

PENG Shu-jing, WANG Jian-zhong, TANG Li-dan, TANG Ke. Preparation of CoMo/γ-Al₂O₃ catalyst for hydrodesulfurization by impregnation with pulsed electromagnetic fields[J]. Journal of Fuel Chemistry and Technology, 2018, 46(12): 1498-1504.

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Preparation of CoMo/γ-Al₂O₃ catalyst for hydrodesulfurization by impregnation with pulsed electromagnetic fields

1.
School of Chemical and Environmental Engineering, Liaoning University of Technology, Jinzhou 121001, China
2.
School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou 121001, China

Funds:

the Natural Science Foundation of Liaoning Province 201202096

the Program for Liaoning Innovative Research Team in University LT2013014

the Foundation Department of Education of Liaoning Province L2015236

More Information

Corresponding author: PENG Shu-jing, Tel: (0416)4198019, Fax: (0416)4198019, E-mail: pengshujing1982@163.com
Received Date: 2018-06-12
Rev Recd Date: 2018-10-08

Available Online: 2021-01-23

Publish Date: 2018-12-10

Abstract

Abstract

CoMo/γ-Al₂O₃ catalyst for hydrodesulfurization (HDS) were prepared by equal volume impregnation method with and without the presence of pulsed electronmagnetic field (PEMF). Experimental results revealed that the catalyst prepared by PEMF with a voltage of 200 V exhibited higher catalytic activity for hydrodesulfurization of thiophene, 2-methythiophene and benzothiophene than the catalyst prepared by conventional impregnation. The surface morphology and physico-chemical properties were characterized by using BET, XRD, H₂-TPR and TEM techniques, respectively. The results showed that appropriate PEMF treatment promotes the active component dispersion on the γ-Al₂O₃ surface by interacting with the charged particles in reaction system. The interaction between the support and the active species MoO₃ is weakened and thus facilitates the reduction of the catalyst and the formation of CoMoS active phase.
- pulsed electronmagnetic field,
- CoMo/γ-Al₂O₃,
- supported catalyst,
- impregnation,
- hydrodesulfurization

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References(27)

References

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