Macroporous Al<sub>2</sub>O<sub>3</sub> with three-dimensionally interconnected structure: Catalytic performance of hydrodemetallization for residue oil

SUI Bao-kuan; WANG Gang; YUAN Shen-ghua; YANG Wei-ya; LING Feng-xiang; WANG Shao-jun; HE Hai-long

doi:10.1016/S1872-5813(21)60096-8

Volume 49 Issue 8

Aug. 2021

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Article Navigation > Journal of Fuel Chemistry and Technology > 2021 > 49(8): 1201-1207

SUI Bao-kuan, WANG Gang, YUAN Shen-ghua, YANG Wei-ya, LING Feng-xiang, WANG Shao-jun, HE Hai-long. Macroporous Al2O3 with three-dimensionally interconnected structure: Catalytic performance of hydrodemetallization for residue oil[J]. Journal of Fuel Chemistry and Technology, 2021, 49(8): 1201-1207. doi: 10.1016/S1872-5813(21)60096-8

Citation:

SUI Bao-kuan, WANG Gang, YUAN Shen-ghua, YANG Wei-ya, LING Feng-xiang, WANG Shao-jun, HE Hai-long. Macroporous Al₂O₃ with three-dimensionally interconnected structure: Catalytic performance of hydrodemetallization for residue oil[J]. Journal of Fuel Chemistry and Technology, 2021, 49(8): 1201-1207. doi: 10.1016/S1872-5813(21)60096-8

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Macroporous Al₂O₃ with three-dimensionally interconnected structure: Catalytic performance of hydrodemetallization for residue oil

doi: 10.1016/S1872-5813(21)60096-8

1.
Dalian Research Institute of Petroleum and Petrochemicals, SINOPEC, Dalian 116045, China
2.
Dalian Numerous Wisdom Innovation Catalyst Co., Ltd, Dalian 116011, China

Funds: The project was supported by China Petroleum & Chemical Corporation, SINOPEC (119014-3-3)

Received Date: 2021-03-24
Rev Recd Date: 2021-04-12

Available Online: 2021-05-17

Publish Date: 2021-08-31

Abstract

Abstract

Three-dimensionally interconnected macroporous (3DM) Al₂O₃ was prepared by phase separation. Macropore size of the obtained Al₂O₃ is 250 nm with a bimodal pore distribution (at about 21 and 250 nm, respectively) and the BET specific surface area of 174 m²/g, as well as the crushing strength of 16.5 N/mm. Ni and Mo on the 3DM catalyst are uniformly dispersed on the surface of the support. The active phases of sulfurized catalyst possess length of 3−10 nm and stacking layers of 1−7. The stacking distribution of active phase more than 4 layers is about 40%, forming a non-uniform active phase structure. Compared with the industrial catalysts, the hydrodemetallization (HDM) rate, hydrodesulfurization (HDS) rate and hydrodecarbonization (HDCCR) rate of the 3DM catalyst increase by 6.2%, 6.0% and 6.8%, respectively. The pore structure, surface properties, active phase structure and their synergistic effect may be the main reasons for the excellent catalytic performance of the 3DM catalyst.
- 3D-interconnected,
- macroporous alumina,
- hydrodemetallization,
- residue oil

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References(28)

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