Eggshell catalyst in Fischer-Tropsch synthesis Intrinsic reaction kinetics

The present study reports the synthesis of paraffinic hydrocarbons in the C -10-C-20 range using a Co/Zr Fischer-Tropsch (FT) eggshell catalyst support ed on silica. Operating conditions selected for the experimental studies, i n a Berty-type reactor, are representative of industrial operation. Five ki netic models are considered: one empirical model and four variations of a L angmuir-Hinselwood representation. All models considered incorporate a stro ng inhibition due to CO adsorption. Kinetic parameters are determined using non-linear regression and are validated by means of statistical analysis. (C) 2001 Elsevier Science Ltd. All rights reserved.