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Issue:ISSN 1006-5539
          CN 51-1183/TE

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    Your Position ：Home->Past Journals Catalog->2016 Vol.6

    Comparison of Energy Consumption Between Propane-Propene Distillation Separation Process and Prospect Forecast Li Jintao College of Chemical and Chemical Engineering of Southwest Petroleum University In order to reduce the energy consumption of the propane-propene separation process effectively,
    Author of the article:Li Jintao
    Author's Workplace：College of Chemical and Chemical Engineering of Southwest Petroleum University
    Key Words：Propane; Propene; Heat pump distillation; Extractive distillation; Divided wall; Simulation
    Abstract：In order to reduce the energy consumption of the propane-propene separation process effectively, a theoretical basis for the optimization have been provided by comparing several relevant distillation processes. It begun with the existing propane-propene separation process, set up feed ratio to reach high purity propene with the mass fraction of 99.6%. In this paper, the process simulation software of ASPEN PLUS V8.6 has been used to simulate the conventional distillation process, heat pump distillation, conventional extractive distillation and divided wall extractive distillation. Then, comparative study was conducted according to the stimulation result from the combination of energy consumption and equipment investment. In the case of energy conservation, the last three kinds of distillation could save consumption by 34.1%, 20.2% and 42.1% compared with conventional distillation. With the consideration of equipment investment, heat pump distillation and divided wall extractive distillation have significant advantages. So, heat pump distillation and divided wall extractive distillation could have wide industry applications and would be the focus of future study.
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