Effect of particle size on the desorption and dissociation of CO from carbon-supported iron catalysts |
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| Authors: | A Guerrero-Ruiz I Rodriguez-Ramos and V Romero-Sánchez |
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| Institution: | (1) Departamento de Quimica Inorgánica, Facultad de Ciencias, 18071 Granada, Spain |
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| Abstract: | A series of carbon-supported iron catalysts has been prepared from Fe(CO)5 and, by different reduction temperature, metallic dispersions from 0.11 to 1 have been obtained. Temperature-programmed desorption experiments over Fe/active carbon catalysts show that the temperature for maximum desorption rate of CO decreases with an increase in the average iron particle size. Also it has been observed that the temperature for the reaction of CO on iron surface is a function of metal particle size.
                     ,  Fe(CO)5,  0,11 1.     Fe/ , , ,    CO,  . , , CO ,  .
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