Support Effects on Thiophene Hydrodesulfurization over Co-Mo-Ni/Al2O3 and Co-Mo-Ni/TiO2-Al2O3 Catalysts

刘超; 周志明; 黄永利; 程振民; 袁渭康

doi:10.1016/S1004-9541(14)60038-0

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Support Effects on Thiophene Hydrodesulfurization over Co-Mo-Ni/Al₂O₃ and Co-Mo-Ni/TiO₂-Al₂O₃ Catalysts

催化、动力学与反应工程 | Updated：2026-01-06

- Support Effects on Thiophene Hydrodesulfurization over Co-Mo-Ni/Al₂O₃ and Co-Mo-Ni/TiO₂-Al₂O₃ Catalysts
- Support Effects on Thiophene Hydrodesulfurization over Co-Mo-Ni/Al₂O₃ and Co-Mo-Ni/TiO₂-Al₂O₃ Catalysts
- 中国化学工程学报（英文版） 2014年22卷第4期页码：383-3911004-954160038-0
- Affiliations：
  
  State Key Laboratory of Chemical Engineering, East China University of Science and Technology,Shanghai,China,200237
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(14)60038-0
  中图分类号：
- 纸质出版：2014
- Accepted：
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刘超, 周志明, 黄永利, 等. Support Effects on Thiophene Hydrodesulfurization over Co-Mo-Ni/Al₂O₃ and Co-Mo-Ni/TiO₂-Al₂O₃ Catalysts[J]. 中国化学工程学报（英文版）, 2014,22(4):383-3911004-954160038-0. DOI: 10.1016/S1004-9541(14)60038-0.

O
刘超, 周志明, 黄永利, 等. Support Effects on Thiophene Hydrodesulfurization over Co-Mo-Ni/Al₂O₃ and Co-Mo-Ni/TiO₂-Al₂O₃ Catalysts[J]. 中国化学工程学报（英文版）, 2014,22(4):383-3911004-954160038-0. DOI: 10.1016/S1004-9541(14)60038-0. DOI：

O DOI： 10.1016/S1004-9541(14)60038-0.

摘要

Abstract

Hierarchically macro-/mesoporous structured Al

and TiO

-Al

materials were used as supports to prepare novel Co-Mo-Ni hydrodesulfurization (HDS) catalysts. A commercial Co-Mo-Ni/Al

catalyst without macroporous channels was taken as a reference. The catalysts were characterized by scanning electron microscope (SEM)

transmission electron microscope (TEM)

energy-dispersive spectrometry (EDS)

adsorption-desorption

X-ray diffraction (XRD)

and temperature programmed reduction (TPR). The apparent activities of the hierarchically porous catalysts for thiophene HDS were superior to those of the commercial catalyst

which was mainly ascribed to the diffusion-enhanced effect of the hierarchically bimodal pore structure. The addition of titania to alumina in the support helped to weaken the interaction between the active phase and the support

and as a result

the novel Co-Mo-Ni/TiO

-Al

catalyst with a low titania loading (28%

by mass) in the support exhibited high HDS activities

even without presulfiding treatment. However

the catalyst with a high

titania loading (61%

by mass) showed much lower activities

which was mostly caused by its low surface area and pore volume as well as the non-uniform distribution of titania and alumina. The kinetic analysis further demonstrated the support effects on HDS activities of the catalysts.

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