In the FT section, the syngas is pressurized before entering the FT reactor. RPlug is chose to simulate the multi-tubular fixed-bed reactor for FT in Aspen Plus. Yates' kinetics is used for the overall consuming rate of CO (-%& ). Since the properties of hydrocarbons (HCs) are similar, we employ four reactions (:1~:4) to represent the whole range of HCs for simplification during the simulation as the Table . The sum of CO consuming rates of individual reactions should be equal to the overall consuming rate of CO (-%& ). Then the individual reaction rates are obtained from the reaction stoichiometry. CO2 is reported not to react on the Cobalt-based catalyst and can be regarded as an inert gas in the FT reaction. Thus, no reaction associated with CO2 is listed in the FT reactor.