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Study on Dynamic Response Characteristics of Cu-Zeolite SCR Catalyst based on Kinetic Model

机译:基于动力学模型的Cu-沸石SCR催化剂的动态响应特性研究

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Traditional SCR control methods can't fit the high efficiency SCR and keep the coherence of production. Model-based SCR control methods is developed to compensate the defect. A simulation model for a Cu-zeolite SCR catalyst has been developed. The model is capable of predicting the conversion of NO_X, NH_3 slip and calculate the amount of urea on real time. It also can be used to study the impact of temperature, space velocity on NO_X conversion and NH_3 storage. Testing validations were taken based on WHTC test cycle. The results show that the average error between calculated and measured NO_X conversion efficiency is about 3.4% during the test cycle. In general, good agreement between model prediction and the experimental data was achieved.
机译:传统的SCR控制方法无法符合高效率的SCR并保持生产的一致性。基于模型的SCR控制方法是为了补偿缺陷。已经开发了Cu-Zeolite SCR催化剂的模拟模型。该模型能够预测NO_X,NH_3滑动的转换,并实时计算尿素量。它还可用于研究温度,空间速度对NO_X转换和NH_3存储的影响。基于WHTC测试循环采集了测试验证。结果表明,在测试周期期间计算和测量的NO_X转换效率之间的平均误差约为3.4%。通常,实现模型预测与实验数据之间的良好一致性。

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