Effect of process conditions on the surface reaction rates and catalytic performance of MgO supported Fe-Co-Mn catalyst for CO hydrogenation

The Fe-Co-Mn/MgO catalyst was prepared using co-precipitation procedure; effects of reaction conditions on the catalytic performance for Fischer-Tropsch synthesis have been investigated. Experiments were carried out under a wide range of reaction conditions including reaction temperature of 473-6731 K, pressure of 1-10 bar, H-2/CO feed molar ratio of 1-4 and space velocity of 3150-7200 h(-1). We also reported further results regarding the effect of various operational conditions on different surface reaction rates. It was found that the optimum operational conditions are H-2/CO = 2/1, GHSV = 4500 h(-1), T = 573 K and P = 1 bar. Characterization of both precursor and calcined catalysts was carried out using XRD, SEM, BET and TPR. (C) 2012 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.