Aqueous-phase reforming of xylitol over Pt/C and Pt/TiC-CDC catalysts: catalyst characterization and catalytic performance

被引：56
|
作者：
Kirilin, Alexey V. [1 ]
Hasse, Benjamin [2 ]
Tokarev, Anton V. [1 ]
Kustov, Leonid M. [3 ]
Baeva, Galina N. [3 ]
Bragina, Galina O. [3 ]
Stakheev, Aleksandr Yu. [3 ]
Rautio, Anne-Riikka [4 ,5 ]
Salmi, Tapio [1 ]
Etzold, Bastian J. M. [2 ]
Mikkola, Jyri-Pekka [1 ,6 ]
Murzin, Dmitry Yu. [1 ]
机构：
[1] Abo Akad Univ, Proc Chem Ctr, Lab Ind Chem & React Engn, FI-20500 Abo Turku, Finland
[2] Univ Erlangen Nurnberg, Inst Chem React Engn, D-91058 Erlangen, Germany
[3] Zelinsky Inst Organ Chem, RU-119991 Moscow, Russia
[4] Univ Oulu, EMPART Res Grp Infotech Oulu, Microelect Lab, FI-90014 Oulu, Finland
[5] Univ Oulu, Phys Mat Lab, FI-90014 Oulu, Finland
[6] Umea Univ, Chem Biol Ctr, Dept Chem, SE-90187 Umea, Sweden
来源：
CATALYSIS SCIENCE & TECHNOLOGY | 2014年 / 4卷 / 02期
基金：
芬兰科学院;
关键词：
CARBIDE-DERIVED CARBONS; PLATINUM-RHENIUM CATALYSTS; SUPPORTED METAL-CATALYSTS; OXYGEN-CONTAINING GROUPS; MODIFIED NI CATALYSTS; HYDROGEN-PRODUCTION; ETHYLENE-GLYCOL; BIMETALLIC CATALYSTS; NI/HZSM-5; CATALYSTS; RENEWABLE HYDROGEN;
D O I：
10.1039/c3cy00636k
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The aqueous phase reforming (APR) of xylitol was studied over five Pt/C catalysts. The correlation between physico-chemical properties of the catalysts and catalytic performance was established. The Pt/C catalysts have different textural properties as well as different mean Pt cluster sizes and surface acidity. The average Pt cluster size was investigated by means of CO chemisorption as well as by TEM. The reaction was found to be structure sensitive and TOF linearly increases with increasing average Pt cluster size in the studied domain. The catalysts which possess higher surface acidity favoured higher rates of hydrocarbon production. On the contrary the Pt/C materials with lower acidities generated hydrogen with high selectivity and TOF.
引用
收藏
页码：387 / 401
页数：15
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