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I have a question regarding the number of trays in an distillation column simulated using ASPEN

2019-03-28View Original

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Dear experts, I would like to ask that when using the ASPEN software to simulate distillation columns, by modeling with the DSTWU module, are the minimum theoretical number of plates and the actual number of plates determined? What does the set value of RR=-1.2miniRR mean? Assuming a total plate efficiency of 0.6, can the actual number of plates be estimated as N/0.6 = NT, which is obtained through a simplified calculation?
Reply #22019-03-29
1.2 times the minimum reflux ratio; this is acceptable for estimation, but it is better to use a precise model for calculation

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