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Gold-iridium catalysts for the hydrogenation of biomass derived products 被引量:1
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作者 Lorenzo Landenna Alberto Villa +2 位作者 Rodolfo Zanella Claudio Evangelisti Laura Prati 《Chinese Journal of Catalysis》 SCIE EI CAS CSCD 北大核心 2016年第10期1771-1775,共5页
Au-Ir and Au-Ru on TiOz catalysts prepared by sequential deposition-precipitation technique were compared with the corresponding monometallics in the hydrogenation of levulinic acid to y-valero]actone. Interestingly t... Au-Ir and Au-Ru on TiOz catalysts prepared by sequential deposition-precipitation technique were compared with the corresponding monometallics in the hydrogenation of levulinic acid to y-valero]actone. Interestingly the addition of Ao to Ir/TiO2 showed a detrimental effect on the activity of Ir monometallic catalyst whereas a positive synergistic effect was shown in the case of Ru. Both catalysts were reduced under H2 to increase the M0-Au0 interaction, From previous DFT calculations and catalytic test, we addressed the lower activity of Au-lr/TiO2 than that of Ir/TiO2 to the interference of Au into the redox mechanism of lr atoms. 展开更多
关键词 Levulinic acid hydrogenationGold-irdium catalystGold-ruthenium catalysty-ValerolactoneSynergistic effect
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