INT MCT

Rio de Janeiro, Brazil
Rio de Janeiro, Brazil
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Zonetti P.C.,INT MCT | Gaspar A.B.,INT MCT | Mendes F.M.T.,INT MCT | De Avillez R.R.,Pontifical Catholic University of Rio de Janeiro | And 2 more authors.
Brazilian Journal of Chemical Engineering | Year: 2013

In order to produce gasoline directly from syngas, HZSM-5 can be added to the Fischer-Tropsch catalyst. However, this catalytic system shows an important deactivation rate. Aiming at describing this phenomenon, Fe-based catalysts and physical mixtures containing these catalysts and HZSM-5 were employed in this reaction. All these systems were characterized using the following techniques: XRD, XPS, TPR and TPD of CO. This work shows that HZSM-5 interacts with the Fe-based Fischer-Tropsch catalyst during the reduction step, decreasing the Fe concentration on the catalytic surface and thus lowering the activity of the catalytic system in the Fischer-Tropsch Synthesis.

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