Manganese promotion in cobalt-based Fischer-Tropsch catalysis

被引：0
|
作者：
Cano, FM [1 ]
Gijzeman, OLJ [1 ]
de Groot, FMF [1 ]
Weckhuysen, BM [1 ]
机构：
[1] Univ Utrecht, Debye Inst, Dept Inorgan Chem & Catalysis, NL-3584 CA Utrecht, Netherlands
来源：
NATURAL GAS CONVERSION VII | 2004年 / 147卷
关键词：
D O I：
暂无
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
The effect of Mn addition on the catalytic performances of Fischer-Tropsch synthesis was investigated using a series of Co/TiO2 catalysts prepared by two different preparation methods; incipient wetness impregnation (IWI) and homogeneous deposition precipitation (HDP). Mn was loaded using two different procedures in order to investigate its interaction with Co and TiO2. Several characterization techniques, mainly XRD, XPS and TPR, were used to elucidate the Co oxidation state and dispersion and to estimate the Mn location. Fischer-Tropsch synthesis carried out at 1 bar of pressure showed an improvement of the catalytic performance in the Mn-promoted HDP catalyst, whereas no promotion effect was found in Mn-promoted IWI catalyst. This difference can be explained by a different Co-Mn interaction.
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页码：271 / 276
页数：6
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