Insights into influence of nanoparticle size and metal-support interactions of Cu/ZnO catalysts on activity for furfural hydrogenation

Yang Xiaohai; Chen Hongmei; Meng QingweiZheng HongyanZhu YuleiLi Yong Wang

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Insights into influence of nanoparticle size and metal-support interactions of Cu/ZnO catalysts on activity for furfural hydrogenation

机译：纳米粒子的大小和见解影响金属支撑铜/氧化锌催化剂的相互作用活动对糠醛加氢

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Cu/ZnO catalysts primarily derived from aurichalcite with Cu/Zn = 0.4-1.1 (mol/mol) were prepared via "decreased pH" coprecipitation method and introduced in hydrogenation of furfural to furfuryl alcohol. The "precursor effect" was clearly confirmed and the catalyst with a Cu/Zn = 0.8 provided the best conversion and TOF. Catalysts were characterized via XRD, FT-IR, N2O titration, TEM, H-2-TPR, XPS and AES. The size of Cu nanoparticles and Cu-ZnO interactions were systematically investigated and were found to remarkably influence catalytic activity of the catalysts. Consequently, the best catalytic performance for the catalyst with Cu/Zn = 0.8 was due to the suitable Cu particle size (8 nm) and strong metal-support interactions (SMSI), acting as the Cu-ZnO synergy.

机译：主要来源于铜/氧化锌催化剂绿铜锌矿和铜/锌-1.1 = 0.4(摩尔/摩尔)准备通过“降低pH值”共同沉淀的方法,介绍了加氢糠醛和糠醇。效应”显然是确认和催化剂铜/锌= 0.8提供了最好的转换和TOF。FT-IR, N2O titration, TEM H-2-TPR, XPS和AES。铜纳米粒子的大小和Cu-ZnO交互系统和调查被发现显著影响催化活动的催化剂。和铜/锌催化剂的催化性能= 0.8是由于合适的铜颗粒大小(8海里)和强大的金属支撑交互(SMSI),Cu-ZnO协同作用。

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来源
《Catalysis science & technology》 |2017年第23期|5625-5634|共10页
作者
Yang Xiaohai; Chen Hongmei; Meng QingweiZheng HongyanZhu YuleiLi Yong Wang;
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作者单位

Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, Taiyuan 030001, Shanxi, Peoples R China;

Synfuels China Co Ltd, Beijing 101407, Peoples R China;

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正文语种英语
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关键词
Nanoparticles; furfural; furfuryl alcoholCatalystsInsightmetal supportaurichalciteCatalyst activityHydrogenationactivity;

机译：Nanoparticles;糠醛糠基alcoholCatalystsInsightmetalsupportaurichalciteCatalystactivityHydrogenationactivity;

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Insights into influence of nanoparticle size and metal-support interactions of Cu/ZnO catalysts on activity for furfural hydrogenation

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