2012
DOI: 10.1016/j.jcat.2012.08.017
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Comparison of kinetics, activity and stability of Ni/HZSM-5 and Ni/Al2O3-HZSM-5 for phenol hydrodeoxygenation

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Cited by 216 publications
(148 citation statements)
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“…Ceria-zirconia catalysts are certainly not a direct replacement for supported metal catalysts. For example, phenol derivatives mostly interact with ceria or ceria-zirconia through their functional groups [21], whereas the aromatic ring engages in significant interactions with metal sites [77]. However, the high activity of ceria-zirconia for isotopic H 2 -D 2 exchange does show that these materials should be considered as more than inert supports for metal particles.…”
Section: Implications For Catalytic Reactionsmentioning
confidence: 99%
“…Ceria-zirconia catalysts are certainly not a direct replacement for supported metal catalysts. For example, phenol derivatives mostly interact with ceria or ceria-zirconia through their functional groups [21], whereas the aromatic ring engages in significant interactions with metal sites [77]. However, the high activity of ceria-zirconia for isotopic H 2 -D 2 exchange does show that these materials should be considered as more than inert supports for metal particles.…”
Section: Implications For Catalytic Reactionsmentioning
confidence: 99%
“…Kraft lignin does not contain any aryl ether bonds and the remaining C-C bonds (aromatic and aliphatic) may be easier to break by the zeolite at 650 °C. [38] The products of Dioxane and Klason lignin contain many more phenols than the other lignins. The phenol formation is not due to early deactivation of the catalyst, since then one would also observe other compounds like alkoxy phenol or aromatic alkoxy compounds.…”
Section: Influence Of Lignin Structure On Catalytic Pyrolysis Performmentioning
confidence: 99%
“…Furthermore, a decreasing acidity detected by NH3-temperature programmed desorption (TPD) ( Figure S2) and ammonia adsorption (Table 2) of the catalysts, due to calcination during the reactivation might be the reason for the decreased deoxygenation activity (cf. [35]). Interestingly, the TPO of the recycled catalyst (Figure 4) showed much lower carbon deposition, thus indicating that less carbonaceous species form due to a loss of acidic sites.…”
Section: Pt/h-mfi-90mentioning
confidence: 99%