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在常压下内循环无梯度反应器中测定了工业颗粒C207铜基化剂在入口硫化氢含量7.19×10~(-4)通硫化氢4、8、12h后甲醇分解反应宏观速率,测定了催化剂孔径分布和曲折因子.由俄歇电子能谱测定获得,通H_2S 4h未中毒比半径x_c为0.938,通H_2S 8h为0.916,通H_2S 12h为0.896,与由本征失活动力学获得的计算值相符合.探讨了计算表面中毒催化剂效率因子的甲醇单组分模型和多组分模型的正交配置解,解决了颗粒催化剂存在表面中毒和中心平衡死区的效率因子的求解问题,中毒催化剂效率因子的实验值与模型计算值的相对误差,其绝对值的平均值在11%以内,表明表面中毒催化剂效率因子的计算模型是可行的.
The macroscopic velocity of methanol decomposition reaction of industrial particle C207 copper-based agent at the inlet hydrogen sulfide content of 7.19 × 10 ~ (-4) and hydrogen sulfide for 4,8 and 12 h was measured in an internal circulation non-gradient reactor under atmospheric pressure. Catalyst pore size distribution and tortuosity factor obtained by Auger electron spectroscopy obtained through the H_2S 4h unoxynity radius x_c of 0.938, through H_2S 8h 0.916, through H_2S 12h 0.896, calculated by the intrinsic inactivation kinetics phase The paper discussed the solution of calculating the efficiency factor of surface poisoning catalyst by one-component model and multi-component model of methanol, solved the problem of solving the efficiency factor of surface poisoning and central equilibrium dead zone of particle catalyst, The relative error between the experimental value and the calculated value of the model, the absolute value of which is less than 11%, indicates that the computational model of surface poisoning efficiency factor is feasible.