DEACTIVATION MODEL FOR CO FISCHER- TROPSCH CATALYSTS

摘要

One of the foremost technical barriers to the successful, economical practice of Fischer-Tropsch Synthesis (FTS) is uncertainty regarding catalyst life. Understanding the chemistry of deactivation pathways and modeling catalyst deactivation rates are imperatives to the design of more stable catalysts and the development of robust, realistic reactor models which facilitate FT reactor/process design and optimization. Carbon deposition on FT catalysts, however, is not sufficiently quantitatively understood to effectively enable its management. Our goal is to develop a deactivation rate model which predicts the deactivation of Co FT catalysts by carbon deposition as a function of reactant partial pressures and temperature.