Impact of sugar type on thiophene hydrodesulfurization performance of three-dimensional porous CoMo bulk catalysts prepared via the sugar foaming method

doi:10.1016/j.cjche.2025.07.012

Chinese Journal of Chemical Engineering ›› 2025, Vol. 88 ›› Issue (12): 310-320.DOI: 10.1016/j.cjche.2025.07.012

Impact of sugar type on thiophene hydrodesulfurization performance of three-dimensional porous CoMo bulk catalysts prepared via the sugar foaming method

Yeqiang Du¹, Fanfang Meng², Wenjing Song¹, Longzhou Ren¹, Qinqin Zhang³, Liancheng Bing¹, Fang Wang¹, Guangjian Wang¹, Haitao Fu⁴, Dezhi Han¹

1. State Key Laboratory of Advanced Optical Polymer and Manufacturing Technology, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China;
2. Petrochemical Research Institute, PetroChina, Beijing 102206, China;
3. Shandong Provincial Key Laboratory of Biochemical Engineering, College of Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, China;
4. School of Metallurgy, Northeastern University, Shenyang 110819, China

Received:2025-04-01 Revised:2025-07-21 Accepted:2025-07-27 Online:2025-08-16 Published:2026-02-09
Contact: Dezhi Han,E-mail:handzh@qust.edu.cn
Supported by:
This work was supported by the Natural Science Foundation of Shandong Province (ZR2022MB019, ZR2021MB134) and the National Natural Science Foundation of China (22008131, 51974086).

Impact of sugar type on thiophene hydrodesulfurization performance of three-dimensional porous CoMo bulk catalysts prepared via the sugar foaming method

Yeqiang Du¹, Fanfang Meng², Wenjing Song¹, Longzhou Ren¹, Qinqin Zhang³, Liancheng Bing¹, Fang Wang¹, Guangjian Wang¹, Haitao Fu⁴, Dezhi Han¹

1. State Key Laboratory of Advanced Optical Polymer and Manufacturing Technology, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China;
2. Petrochemical Research Institute, PetroChina, Beijing 102206, China;
3. Shandong Provincial Key Laboratory of Biochemical Engineering, College of Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, China;
4. School of Metallurgy, Northeastern University, Shenyang 110819, China

通讯作者: Dezhi Han,E-mail:handzh@qust.edu.cn
基金资助:
This work was supported by the Natural Science Foundation of Shandong Province (ZR2022MB019, ZR2021MB134) and the National Natural Science Foundation of China (22008131, 51974086).

Abstract

Abstract: The dispersibility of active components in hydrodesulfurization (HDS) catalysts significantly influences the corresponding catalytic performance. In this study, sugar-based materials (glucose, chitosan, soluble starch, and corn starch) were utilized to prepare CoMo bulk HDS catalysts through a sugar foaming process. The foaming intermediates were analyzed using TG, FTIR, and Raman techniques to investigate the pyrolysis and carbonization process, revealing the presence of graphitic carbon in the 3DPG, 3DPSS, and 3DPCS catalysts even after calcination in an air atmosphere. The catalysts were further characterized using SEM, XRD, TEM, low-temperature N₂ physical adsorption, and XPS. The 3DPSS catalyst exhibited a thiophene conversion of 94.8% at 360 ℃ and 1 MPa, which could be ascribed to its unique three-dimensional pore structure, high dispersion of MoS₂ (0.21), and high fraction of Mo⁴⁺ (83.14%). This study demonstrates the potential of using the sugar foaming technique to develop highly efficient HDS catalysts and provides new insights into the relationship between the physicochemical properties of the obtained catalysts and their catalytic performance.

Key words: HDS, Catalyst, Fixed-bed, Sugar foaming, Three-dimensional porous structure

摘要： The dispersibility of active components in hydrodesulfurization (HDS) catalysts significantly influences the corresponding catalytic performance. In this study, sugar-based materials (glucose, chitosan, soluble starch, and corn starch) were utilized to prepare CoMo bulk HDS catalysts through a sugar foaming process. The foaming intermediates were analyzed using TG, FTIR, and Raman techniques to investigate the pyrolysis and carbonization process, revealing the presence of graphitic carbon in the 3DPG, 3DPSS, and 3DPCS catalysts even after calcination in an air atmosphere. The catalysts were further characterized using SEM, XRD, TEM, low-temperature N₂ physical adsorption, and XPS. The 3DPSS catalyst exhibited a thiophene conversion of 94.8% at 360 ℃ and 1 MPa, which could be ascribed to its unique three-dimensional pore structure, high dispersion of MoS₂ (0.21), and high fraction of Mo⁴⁺ (83.14%). This study demonstrates the potential of using the sugar foaming technique to develop highly efficient HDS catalysts and provides new insights into the relationship between the physicochemical properties of the obtained catalysts and their catalytic performance.

关键词: HDS, Catalyst, Fixed-bed, Sugar foaming, Three-dimensional porous structure

Yeqiang Du, Fanfang Meng, Wenjing Song, Longzhou Ren, Qinqin Zhang, Liancheng Bing, Fang Wang, Guangjian Wang, Haitao Fu, Dezhi Han. Impact of sugar type on thiophene hydrodesulfurization performance of three-dimensional porous CoMo bulk catalysts prepared via the sugar foaming method[J]. Chinese Journal of Chemical Engineering, 2025, 88(12): 310-320.

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Impact of sugar type on thiophene hydrodesulfurization performance of three-dimensional porous CoMo bulk catalysts prepared via the sugar foaming method

Impact of sugar type on thiophene hydrodesulfurization performance of three-dimensional porous CoMo bulk catalysts prepared via the sugar foaming method

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