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Hydrodesulfurization of thiophene on carbon nanofiber supported Co/Ni/Mo catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
48182 46496 2008 8 PDF Available
Title
Hydrodesulfurization of thiophene on carbon nanofiber supported Co/Ni/Mo catalysts
Abstract

Co, Mo, NiMo and CoMo catalysts supported on alumina, fishbone and platelet carbon nanofibers (CNFs) have been prepared. The dispersion of the oxide phases was qualitatively studied and compared using X-ray diffraction (XRD) and transmission electron microscopy (TEM). The reducibility of the catalysts was studied by temperature programmed reduction (TPR). Hydrodesulfurization (HDS) of thiophene was used as a model reaction to compare the activity of different catalysts. The activity tests showed that the alumina supported catalysts exhibited higher activity compared to the corresponding CNF supported catalysts, and the NiMo catalysts were more active than the corresponding CoMo catalysts. The thiophene HDS activity was correlated with the dispersion of the molybdenum species and the reducibility of different catalysts. Interestingly, the CNF supported Co catalysts have higher thiophene HDS activity than the CNF supported Co(Ni)Mo catalysts.

Keywords
Carbon nanofiber; Co/Ni/Mo; Hydrodesulfurization; Thiophene
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Hydrodesulfurization of thiophene on carbon nanofiber supported Co/Ni/Mo catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 84, Issues 3–4, 1 December 2008, Pages 482–489
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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