期刊
CATALYSIS TODAY
卷 176, 期 1, 页码 149-153出版社
ELSEVIER
DOI: 10.1016/j.cattod.2011.01.027
关键词
1-Methylnaphthalene hydroconversion; Pt catalysts; Binder; ZrSBA-15; AlSBA-15
The effect of the binder (boehmite, 20 wt.%) incorporation method and the chemical composition of the support (AlSBA-15, ZrSBA-15) on the physicochemical properties of Pt (2 wt.%) catalysts and on their activity in 1-methylnaphthalene hydroconversion was examined. The supports and catalysts were analyzed by N-2-sorption, XRD, Si-29 MAS NMR, Al-27 MAS NMR, XRF, H-2-chemisorption, Py-IR, NH3-TPD, and TEM. When the binder was added to SBA-15 before impregnation with the Pt precursor, and when AlSBA-15 was used as a support, better Pt dispersion was obtained on the catalyst surface, which resulted in the improvement of the catalyst's hydrogenation properties. (C) 2011 Elsevier B.V. All rights reserved.
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