Journal
FUEL PROCESSING TECHNOLOGY
Volume 110, Issue -, Pages 8-16Publisher
ELSEVIER
DOI: 10.1016/j.fuproc.2013.01.006
Keywords
One pot synthesis; NiMo-Al2O3 catalyst; Hydrodesulfurization; Dibenzothiophene
Funding
- Ministry of Science and Technology of China [2010CB226903]
- National Natural Science Foundation of China [21073147]
- Program for Changjiang Scholars and Innovative Research Team in University [IRT1036]
- Fujian Province Science & Technology Program of China [2010H6024]
- Fundamental Research Funds for the Central Universities [2012121022]
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With the aim of disposing hazardous sulphur-containing chemicals, an experimental investigation on the hydrodesulfurization (HDS) of the model compound dibenzothiophene (DBT) is presented. Mesoporous NiMo-Al2O3 catalysts for HDS were prepared by efficient and simple one-pot synthesis method using aluminum chloride as start material, urea as precipitant and starch as template. The catalysts were characterized by means of N-2 physisorption, XRD, SEM, TPR, XPS and HRTEM. The characterization results show that, compared with the NiMo/Al2O3 catalysts prepared by impregnation method, the as-prepared NiMo-Al2O3 catalysts exhibit smaller nano-sized spherical particles of alumina, higher dispersions of Ni and Mo species, shorter length and lower stacking layer number of MoS2 slabs. Thus, NiMo-Al2O3 catalysts possess higher catalytic performance in the HDS of DBT than those of impregnated catalysts. Therefore, one pot synthesis is a promising method for the development of hydrotreating catalysts. (C) 2013 Elsevier B.V. All rights reserved.
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