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- W2736698354 abstract "In this work we discuss on the influence of several parameters involved in the preparation of cobalt catalysts supported on ordered mesoporous silicas on their physico-chemical and catalytic properties for the Fischer-Tropsch synthesis (FTS). In particular, we address the effect of the pore diameter of the support (varied between about 3 nm for MCM-41 and 10 nm for SBA-15), the dimensionality of the channels (1-D in MCM-41 and 3-D in MCM-48), the cobalt loading (from 10 to 40 wt%), and the addition of noble metals (Pt, Re) as promoters. In addition, we show the benefit of introducing small amounts of cerium in the structure of MCM-41 during the synthesis of the support on the stability of the catalyst against deactivation. The materials have been characterized by different techniques, such as X-ray diffraction (XRD), N2 adsorption, temperature programmed reduction (TPR), and transmission electron microscopy (TEM). The catalytic results for the FTS can be well correlated with two main parameters, the dispersion and reducibility of the supported cobalt phases, which are closely related and which determine, to a great extent, the amount of active sites (Co 0 ) available on the catalyst surface." @default.
- W2736698354 created "2017-07-31" @default.
- W2736698354 creator A5009539565 @default.
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- W2736698354 date "2006-01-01" @default.
- W2736698354 modified "2023-09-27" @default.
- W2736698354 title "CATALIZADORES DE FISCHER-TROPSCH BASADOS EN COBALTO SOPORTADO SOBRE SÍLICES MESOPOROSAS ORDENADAS FISCHER-TROPSCH CATALYSTS BASED ON COBALT SUPPORTED ON ORDERED MESOPOROUS SILICAS" @default.
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- W2736698354 hasPublicationYear "2006" @default.
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