期刊
PETROLEUM SCIENCE
卷 19, 期 1, 页码 321-328出版社
KEAI PUBLISHING LTD
DOI: 10.1016/j.petsci.2021.11.005
关键词
Chelating agent; Hydrodesulfurization; Ordered mesoporous alumina
资金
- National Natural Science Foundation of China [21878330, 21676298]
- National Key R&D Program of China [2019YFC1907602]
- CNPC Key Research Project [2016E-0707]
This paper synthesized ordered mesoporous alumina (OMA) support with high surface area and large pore volume using a homogeneous precipitation method. The influence of EDTA on the physical and chemical properties of the modified catalysts was investigated. The results showed that EDTA could adjust the metal-support interaction and improve the acidity of the catalyst. The EDTA-modified NiMoE(1.0)/OMA catalyst displayed the highest DBT hydrodesulfurization conversion.
In this paper, ordered mesoporous alumina (OMA) support with the high surface area (328 m(2) g(-1)) and the large pore volume 0.74 (cm(3).g(-1)) was synthesized by homogeneous precipitation method. And the influence of EDTA on the physical and chemical properties of the modified catalysts was also studied. The characteristic results showed that the addition of EDTA could adjust the metal-support interaction and improved the acidity of the corresponding catalyst. Combined with the catalytic performance results, the EDTA-modified NiMoE(1.0)/OMA catalyst displays the highest DBT hydrodesulfurization conversion (97.7%). (C) 2021 The Authors. Publishing services by Elsevier B.V. on behalf of KeAi Communications Co. Ltd.
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