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citations
Cited by 74 publications
(48 citation statements)
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“…The undissociated CO can be directly hydrogenated into the CH 2 -O species, which is the precursor of methanol. This is consistent with the mechanism of methanol formation on Rh-based catalyst (31). Ethanol can be formed through CH 2 insertion into the CH 2 -O species.…”
Section: +supporting
confidence: 88%
“…The undissociated CO can be directly hydrogenated into the CH 2 -O species, which is the precursor of methanol. This is consistent with the mechanism of methanol formation on Rh-based catalyst (31). Ethanol can be formed through CH 2 insertion into the CH 2 -O species.…”
Section: +supporting
confidence: 88%
“…Accordingly, oxy gen, the coadsorbed species, exerts only a slight influence on the reactivity of surface carbon. We can distinguish three forms of carbon: (i) the highly reactive carbidic form (a), which can be hydrogenated even below 350-400 K, (ii) a less reactive amorphous layer (/3), Tp = 235-495 K, and (iii) the rela tively inactive graphitic form (y), which re acts with hydrogen only above 650 K. This has been also observed in subsequent stud ies (23).…”
Section: Dissociation O F Ch4supporting
confidence: 59%
“…On oxide catalysts the methanol synthesis mechanism has usually been assumed to be non-dissociative [31]. On supported metal catalysts (Pt, Pd, Ir) [32], the reaction mechanism also appears to proceed through non-dissociated CO; most recently isotopic studies by Takeuchi and Katzer [33] have established such a route for the formation of methanol on Rh/TiOz. Hence, we propose that methanol formation proceeds through a direct bydrogenation of chemisorbed CO on LaRh03.…”
Section: Kineticsmentioning
confidence: 99%