Effect of carbon modifications on the performance of hydrogenation catalysts

Zhenhui Lv; Jianan Li; Tao Yang; Yibao Li; Chong Peng

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Effect of carbon modifications on the performance of hydrogenation catalysts

Updated：2026-01-06

- Effect of carbon modifications on the performance of hydrogenation catalysts
- Chinese Journal of Chemical Engineering Vol. 81, Issue 5, Pages: 270-276(2025)
- Affiliations：
  
  1. State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology,Dalian,China,116024
  2. Dalian Research Institute of Petroleum and Petrochemicals, SINOPEC,Dalian,China,116041
  3. Key Laboratory of Organo-Pharmaceutical Chemistry, Gannan Normal University,Ganzhou,China,341000
- Author bio：
- Funds：
- DOI：
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- Published：2025
- Accepted：
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Zhenhui Lv, Jianan Li, Tao Yang, Yibao Li, Chong Peng. Effect of carbon modifications on the performance of hydrogenation catalysts[J]. Chinese Journal of Chemical Engineering, 2025, 81(5): 270-276.
DOI：

Zhenhui Lv, Jianan Li, Tao Yang, Yibao Li, Chong Peng. Effect of carbon modifications on the performance of hydrogenation catalysts[J]. Chinese Journal of Chemical Engineering, 2025, 81(5): 270-276. DOI：

摘要

Abstract

In the petroleum industry

the properties of catalysts play a crucial role in the performance of hydroprocessing reactions. Carbon modification can effectively regulate the physicochemical properties of catalysts

but further in-depth research is necessary. In this study

ethylene glycol was used as the carbon source to investigate the impact of varying carbon amounts on the performance of the Mo-Ni/Al

hydrogenation catalyst. The results showed that both the pore structure and surface hydroxyl groups of catalysts can be adjusted after carbon modification. As the carbon content increased

the surface acidity of catalysts gradually decreased

and the interaction between carrier and active metal gradually weakened

leading to more octahedral coordination in form of polynuclear polymolybdic acid. The dispersion and sulfidation degree of Mo species improved

ultimately resulting in more hydrogenation active phases. Consequently

the catalyst exhibited enhanced hydrodesulfurization (HDS) and hydrodenitrification (HDN) activities.

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