Zr- and Li-Modified Ru/Sio₂ Catalysts for Fischer-Tropsch Synthesis

We have found that Zr- and Li-modified Ru/SiO₂ catalysts (Q-15) are extremely stable and can be used in FT synthesis to maintain the conversion rate of CO constant even after 33 h. Modification of Ru/SiO₂ by Zr (5 wt%) and Li (0.1 wt%) resulted in a remarkable increase in the stability of the cataly...

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Bibliographic Details
Published in:Catalysis letters 2009, Vol.128 (3-4), p.343-348
Main Authors: Murata, Kazuhisa, Okabe, Kiyomi, Inaba, Megumu, Takahara, Isao, Liu, Yanyong
Format: Article
Language:English
Subjects:
Catalysis
Catalysts
Chemical synthesis
Chemistry
Chemistry and Materials Science
Exact sciences and technology
Fischer-Tropsch process
General and physical chemistry
Industrial Chemistry/Chemical Engineering
Organometallic Chemistry
Physical Chemistry
Silicon dioxide
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
Zirconium
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Summary:We have found that Zr- and Li-modified Ru/SiO₂ catalysts (Q-15) are extremely stable and can be used in FT synthesis to maintain the conversion rate of CO constant even after 33 h. Modification of Ru/SiO₂ by Zr (5 wt%) and Li (0.1 wt%) resulted in a remarkable increase in the stability of the catalyst. Taking into account surface acidity and reducibility, we assumed that this remarkable stability is due to the cooperative effects of Ru, Zr, Li, and the SiO₂ support.
ISSN:1011-372X
1572-879X
DOI:10.1007/s10562-008-9751-7