Fraction of the CoMoS phases accessible to NO in Co–Mo hydrodesulfurization catalysts

Literature Information

Publication Date 2003-04-07
DOI 10.1039/B301487H
Impact Factor 6.222
Authors

Yasuaki Okamoto, Masatoshi Kawano, Takeshi Kubota


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Abstract

It is established by using Co–Mo model sulfide catalysts, XAFS and FTIR that Co atoms constituting CoMoS phases are not oxidized by NO adsorption and that only 55% of the CoMoS phases is susceptible to NO adsorption even at the maximum coordinative unsaturation attainable under usual HDS reaction conditions (623–673 K).

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