Evolution of Metal Phase in the Course of CO Hydrogenation on Potassium Promoted Ni/Al2O3 Catalyst

被引：3
|
作者：
Leszek Znak
Zbigniew Kaszkur
Jerzy Zieliński
机构：
[1] Institute of Physical Chemistry,
[2] Polish Academy of Sciences,undefined
[3] Institute of Chemistry,undefined
[4] Warsaw University of Technology,undefined
来源：
Catalysis Letters | 2010年 / 136卷
关键词：
Carbonisation; Carbon–nickel solution; Effect of potassium; CO hydrogenation;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The hydrogenation of carbon monoxide on Ni/Al2O3 catalysts was studied in a flow system by simultaneous following CO conversion and crystallographic state of supported nickel. The examination performed for potassium promoted catalyst revealed that: (1) next to methane, considerable amount of CO2 is produced, and (2) supported nickel transforms to supersaturated solution of carbon in nickel phase, NiCx. The analysis of the results has led to formulation of a probable scheme of the carburisation.
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页码：92 / 95
页数：3
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