Potassium-promoted titania-supported nickel-iron catalysts for Fischer-Tropsch synthesis

被引：0
|
作者：
vandeLoosdrecht, J
vanDillen, AJ
Reinders, D
vanderHorst, AA
Boellaard, E
vanderKraan, AM
Geus, JW
机构：
[1] DELFT UNIV TECHNOL, INTERFAC REACTOR INST, NL-2629 JB DELFT, NETHERLANDS
[2] UNIV UTRECHT, DEBYE INST, DEPT INORGAN CHEM, NL-3508 TB UTRECHT, NETHERLANDS
来源：
NATURAL GAS CONVERSION IV | 1997年 / 107卷
关键词：
D O I：
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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 influence of potassium on the activity and selectivity of titania-supported nickel-iron catalysts in Fischer-Tropsch synthesis has been studied. Small amounts of potassium increase the selectivity towards higher hydrocarbons, but decrease the CO conversion. The effects on the selectivity and the conversion are due to the presence of potassium on the surface of the nickel-iron alloy, which affects the adsorption and dissociation of CO and decreases the amount of active sites.
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页码：201 / 206
页数：6
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