Synthesis and hydrodesulfurization properties of NiW catalyst supported on high aluminum content, highly ordered, and hydrothermally stable Al-SBA-15

Li, Yang, Pan, Dahai, Yu, Chengzhong, Fan, Yu and Bao, Xiaojun (2012) Synthesis and hydrodesulfurization properties of NiW catalyst supported on high aluminum content, highly ordered, and hydrothermally stable Al-SBA-15. Journal of Catalysis, 286 124-136. doi:10.1016/j.jcat.2011.10.023


Author Li, Yang
Pan, Dahai
Yu, Chengzhong
Fan, Yu
Bao, Xiaojun
Title Synthesis and hydrodesulfurization properties of NiW catalyst supported on high aluminum content, highly ordered, and hydrothermally stable Al-SBA-15
Journal name Journal of Catalysis   Check publisher's open access policy
ISSN 0021-9517
1090-2694
Publication date 2012-02-01
Year available 2011
Sub-type Article (original research)
DOI 10.1016/j.jcat.2011.10.023
Open Access Status Not Open Access
Volume 286
Start page 124
End page 136
Total pages 13
Place of publication Maryland Heights, MO, United States
Publisher Academic Press
Language eng
Abstract Highly ordered mesoporous Al-SBA-15 with high aluminum content and high hydrothermal stability has been synthesized by a new pH-adjusting and high-temperature hydrothermal treatment approach. Thus-prepared samples were characterized by X-ray fluorescence spectroscopy, X-ray powder diffraction, 27Al nuclear magnetic resonance spectroscopy, N 2 adsorption-desorption, temperature-programmed desorption of ammonia, Fourier transformed infrared spectroscopy with pyridine adsorption, temperature- programmed reduction with hydrogen, and high-resolution transmission electron microscopy. The results showed that Al-SBA-15 had high aluminum loading (with its molar Si/Al ratio of 5.1, similar to that of the initial gel mixture) and homogenously distributed Al species in the walls. Moreover, the product showed extremely high hydrothermal stability (with only a 15.2% decrease in surface area after steaming at 800 °C for 5 h) and moderate acidity. An Al-SBA-15-supported NiW hydrodesulfurization catalyst was prepared and evaluated using dibenzothiophene hydrodesulfurization. Compared with γ-Al 2O 3- and SBA-15-supported catalysts, the Al-SBA-15-supported NiW catalyst showed outstanding hydrodesulfurization activity.
Keyword Al-SBA-15
Hydrodesulfurization catalyst
pH adjustment
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: Australian Institute for Bioengineering and Nanotechnology Publications
 
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Created: Tue, 14 Jan 2014, 22:18:17 EST by Cathy Fouhy on behalf of Aust Institute for Bioengineering & Nanotechnology