کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
57369 | 47116 | 2009 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Impact of Al and Ti ions on the dispersion and performance of supported NiMo(W)/SBA-15 catalysts in the HDS and HYD reactions
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
کاتالیزور
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Impact of Al and Ti ions on the dispersion and performance of supported NiMo(W)/SBA-15 catalysts in the HDS and HYD reactions Impact of Al and Ti ions on the dispersion and performance of supported NiMo(W)/SBA-15 catalysts in the HDS and HYD reactions](/preview/png/57369.png)
چکیده انگلیسی
The effect of the aluminum and titanium presence on the catalytic activity of the NiMo/SBA-15 and NiW/SBA-15 catalysts was evaluated in the hydrodesulfurization of dibenzothiophene and biphenyl hydrogenation. The samples were characterized by SP MAS 29Si NMR, SBET, XRD, chemisorption of H2 and TPD-NH3. The Ti-containing samples showed higher catalytic performance in both hydroprocessing reactions, in comparison with the Al-containing samples. The presence of Ti ions enhanced the dispersion of the supported active components, and the dispersion of the active species was related to the acidity of the supports. Finally, the W based catalysts showed higher activity in the hydroprocessing reactions than the traditional Mo based catalysts.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Catalysis Today - Volume 143, Issues 1–2, 15 May 2009, Pages 120–125
Journal: Catalysis Today - Volume 143, Issues 1–2, 15 May 2009, Pages 120–125
نویسندگان
A. Olivas, T.A. Zepeda,