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有限长圆柱状催化剂内扩散效率因子多态研究(Ⅱ)——多态特性

潘天舒,杨斌,房鼎业,朱炳辰   

  1. 华东理工大学化学工程系!上海200237,华东理工大学化学工程系!上海200237,华东理工大学化学工程系!上海200237,华东理工大学化学工程系!上海200237
  • 出版日期:1995-02-25 发布日期:1995-02-25

MULTIPLE STATES OF EFFECTIVENESS FACTOR FOR CYLINDRICAL CATALYST PELLET (Ⅱ)——FEATURES OF MULTIPLE STATES

Pan Tianshu, Yang Bin. Fang Dingye and Zhu Bingchen(Department of Chemical Engineering, East China University of Science and Technology, Shanghai 200237)   

  • Online:1995-02-25 Published:1995-02-25

PDF (PC)

103

被引次数

6 | 1

摘要： 本文(I)报开发的研究方法和量级分析的思想探讨了圆柱状催化剂内发生强放热不可逆反应时的多态特性,针对多态区域的预测,本文以粒内浓度分布为出发点,提出了一种锥体简化方法,用此法所得预测值与实际计算值吻合良好。

Abstract: By using the method developed in the former paper and Order Analysis method, the features of multiple states have been investigated when a strongly exothermic irreversible reaction occurs. The results show that three states may appear in some domain of φ when γ and β are large. When γ increases or θ decreases, the multiple states zone becomes large, but its shape doesnt change. A cone -simplification method is developed to predict the multiple states zone and its accuracy is satisfactory compared with that from numerical calculation.

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