Fischer-tropsch catalyst, preparation method and application...

Details Fischer-tropsch catalyst, preparation method and application... Fischer-tropsch catalyst, preparation method and application...

B - Operations, Transporting

01

J

B01J 23/78 (2006.01) C07C 1/04 (2006.01)

Patent

CA 2752382

A micro-spherical iron-based catalyst and a preparation method thereof are disclosed. The catalyst contains a potassium promoter, and at least one transitional metal promoter M which is one or more kinds of metals selected from Cr, Cu, Mn and Zn. It also contains a structure promoter S, which is SiO2 and/or Al2O3, wherein both of SiO2 and Al2O3 are modified by MoOs, TiO2 and/or ZrO2. The weight ratio of components is Fe : M : K: S = 100 : 3-50 : 1-8 : 3-50, in which the metal components are calculated based on metal elements, the structure promoter is calculated based on oxides. The catalyst is prepared by co-precipitation method.

L'invention concerne un catalyseur à base de fer microsphérique et son procédé de préparation. Ledit catalyseur contient un promoteur de potassium et au moins un promoteur de métal de transition M sélectionné dans le groupe constitué par un ou plusieurs Cr, Cu, Mn et Zn. Il contient également des promoteurs structurels S qui sont SiO2 et/ou Al2O3 modifié par MoO3, TiO2 et/ou ZrO2. Le rapport en poids des composants est Fe/M/K S = 100/3-50/ 1-8/3-50, dans lequel les composants métalliques sont calculés sur la base d'éléments métalliques, les promoteurs structurels étant calculés sur la base d'oxydes. Le catalyseur est préparé au moyen d'un procédé de coprécipitation.

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