Citation: Jilei LIANG, Mengmeng WU, Lü QI, Yunqi LIU, Chenguang LIU. In-situ preparation of mesoporous carbon-encapsulated NiMoS hydrodesulfurization catalyst[J]. Chinese Journal of Inorganic Chemistry, ;2026, 42(10): 2127-2137. doi: 10.11862/CJIC.20260127 shu

In-situ preparation of mesoporous carbon-encapsulated NiMoS hydrodesulfurization catalyst

Jilei LIANG ^{1, #,,} ,
Mengmeng WU ^{1, #} ,
Lü QI ^2,, ,
Yunqi LIU ³ ,
Chenguang LIU ³

1.
School of Chemistry, Chemical and Materials Engineering, Taizhou University, Taizhou, Jiangsu 225300, China
2.
School of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu 213164, China
3.
State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, Shandong 266580, China

Corresponding author: Jilei LIANG, liangjilei@tzu.edu.cn Lü QI, qilv1983@cczu.edu.cn
Received Date: 14 April 2026
Revised Date: 22 August 2026

Figures(9)

Using Ni-Mo bimetallic-oxygen clusters as precursors, a mesoporous carbon-coated high-activity NiMoS hydrodesulfurization catalyst (NiMoS/C-FD) was constructed through an in-situ synthesis strategy. By combining the introduction of the precursor and the preparation of the support, the spatial encapsulation and uniform dispersion of metal active components in the mesoporous carbon support were achieved. The as-prepared catalyst was analyzed using various techniques such as X-ray diffraction, N₂ adsorption-desorption, scanning electron microscopy, high-resolution transmission electron microscopy, X-ray photoelectron spectroscopy, etc. Compared with the reference catalyst (NiMoS/C-IM) prepared by the traditional impregnation method, the MoS₂ particles of the as-prepared catalyst (NiMoS/C-FD) had a smaller size, higher dispersion, more sulfurization, and formed more highly active NiMoS phases. In the hydrodesulfurization evaluation, the catalyst showed excellent catalytic performance, with a conversion rate of 93.2%. The reaction rate constant and turnover frequency reached 1.6×10^-6 mol·g^-1·s^-1 and 3.3×10^-3 s^-1, respectively, which were significantly higher than NiMoS/C-IM.
- in-situ synthesis,
- hydrodesulfurization,
- encapsulation,
- metal-oxygen cluster
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