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利用不同铁沉积量催化剂的催化裂化反应实验数据，通过模型方程确定和模型参数的估计，建立了反应转化率、焦炭产率、氢气产率、液化气产率和干气产率与催化剂铁沉积量关联的数学模型。模型预测分析结果表明，随着催化剂铁沉积量提高，反应转化率、液化气产率和选择性不断降低，氢气和干气的产率及选择性不断提高，焦炭产率呈先提高然后降低的变化规律，生焦选择性呈先提高然后变小的变化规律。
Based on the experimental data of FCC catalyst with different iron depositions, the model equations were established and the model parameters were estimated. The reaction conversion, coke yield, hydrogen yield, liquefied gas yield, dry gas yield and catalyst iron deposition Quantitatively related mathematical model. The results of the model predictions show that with the increase of iron deposition, the reaction conversion, the yield and selectivity of liquefied gas are continuously reduced, and the yield and selectivity of hydrogen and dry gas increase continuously. The coke yield first increases and then decreases Variation, coke selectivity was first increased and then smaller changes.