FTIR characterization of Ru/SiO2 catalyst for ammonia synthesis

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1999-05-04

Author

Sayan, S
Kantcheva, M
Suzer, S
Üner, Deniz

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Carbon monoxide adsorption on a Ru/SiO(2)catalyst was followed by IR spectroscopy to investigate the active sites. Using this catalyst, ammonia synthesis was achieved at 350 degrees C in an N-2/H-2 gas mixture (N-2/H-2 approximate to 3 : 1) for different reaction times. In addition to NH3 other NH, (x = 1,2) species were also observed. CO adsorption after NH3 production was also performed to investigate the change in nature of the active sites. Based on the experimental evidence participation of Ru-0 sites in ammonia synthesis was confirmed and a partial oxidation of the reduced Ru sites during the synthesis was observed.

Subject Keywords

Ru/SiO2 catalyst, Ammonia synthesis, FTIR of adsorbed CO

URI

https://hdl.handle.net/11511/36092

Journal

JOURNAL OF MOLECULAR STRUCTURE

DOI

https://doi.org/10.1016/s0022-2860(98)00812-6

Collections

Department of Chemical Engineering, Article

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Citation Formats

S. Sayan, M. Kantcheva, S. Suzer, and D. Üner, “FTIR characterization of Ru/SiO2 catalyst for ammonia synthesis,” JOURNAL OF MOLECULAR STRUCTURE, pp. 241–245, 1999, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/36092.