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烷烃中少量芳烃的固定床和模拟移动床吸附

DOI: 10.3969/j.issn.1671-7627.2003.02.004, PP. 18-22

Keywords: 动态吸附,芳烃,模拟,固定床,模拟移动床,烷烃

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Abstract:

在实验研究烷烃中少量芳烃的固定床吸附动态过程和模拟移动床吸附动态过程的基础上,用固定床和模拟移动床线性推动力模型进行了模拟计算,可得到如下结论:在本文的实验条件下,固定床吸附动态模型和模拟移动床吸附动态模型拟合的结果均与实验值相符;但从技术性能指标和技术经济指标两个角度都反映出对脱除烷烃中的少量芳烃的吸附分离过程,用固定床吸附过程比模拟移动床吸附过程更具有可行性.这些结果为在直链烷基苯的生产过程中,降低循环烷烃中芳构化物的含量,实现延长脱氢催化剂的寿命,提高烷基苯的产量提供了技术基础.

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