Can separation requirements be set to calculate the heat load in strict distillation?
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The simple fractionation column may not yield accurate calculations; therefore, radfrac is used. The reflux ratio is currently unknown, and it is hoped that the program can automatically determine the top load/reflux ratio based on separation requirements, such as the concentration of a certain component at the column top. It is convenient to implement in PRO/II; it is basically the most commonly used method for calculations. I wonder how to implement this conveniently in radfrac?
Aspen also has specifications; when tower parameters are specified, what is given is merely an estimate or initial value. As long as you define your own metric, it will be based on that specified metric
Reply 1# kooee: It can be completed using the design specifications.
That is precisely the purpose of the design specifications: to define the content at the top of the tower, with the reflux ratio serving as the variable. However, the top of tower heat load is also related to the reflux ratio and the content of the product at the top of the tower.