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Unable to solve flow sheet
Title
Question
In both Absorption column and Chemsep distillation column simulation some errors are encountered. Request you to kindly help me to tackle the same.(DWSIM version 6.4.3 64 bit)

https://drive.google.com/file/d/1lqHfJhzKRfFXhAQ9YJ-vzxhv29QQ5-jc/view?usp=share_link



DWSIM Absorption-Column 00-01 min 0-10 sec 18-01-23, 11:22 a.m. vidyavijayev

Answers:

In the uploaded files, material streams aren't connected to the column. Also, inside chemsep column, the thermodynamics aren't selected. On doing that, the column converges for me. Please try doing that. Also, update your DWSIM version to 8.3.4 (the latest version).
19-01-23, 11:56 a.m. priyamnayak
Downloaded the latest version. Chemsep Distillation column issue got sorted. 

In Absorption column Chemsep simulation it says "column needs a feed to stage 1 and it should be a [p]. What exactly could be the error.Kindly help.
21-01-23, 1:35 p.m. vidyavijayev

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