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ChemEngineering
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19 February 2021

Correction: Ränger, L.-M., et al. Robust Initialization of Rigorous Process Simulations of Multiple Dividing Wall Columns via Vmin Diagrams. ChemEngineering 2018, 2, 25

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Institute of Chemical Engineering, Ulm University, 89081 Ulm, Germany
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Author to whom correspondence should be addressed.

Equation Correction

There was an error in the original article []. The expression (1-q)∙F was positioned at a wrong location in Sections 4.2 and 4.3. Note that this expression usually cancels out for a liquid boiling feed stream. It is only important in the case of a different feed state. A correction was made to Equations (19), (21), (22) and (23) and to Figure 8.
V m i n , B C = V T , C 21 V B , C 21 = i = 1 n α i · z i · F α i θ A · r i T , C 1 = α A · F · z A · r A T , C 1 α A θ A + α B · F · z B · r B T , C 1 α B θ A
V m i n , B C + 1 q · F = V T , C 22 V B , C 22 = i = 1 n α i · z i · F α i θ C · r i B , C 1 = α C · F · z C · 1 r C T , C 1 α C θ C + α D · F · z D · 1 r D T , C 1 α D θ C
V m i n , C D = V B , C 22 + 1 q · F = V T , C 22 + V m i n , B C 1 q · F + 1 q · F = α C · F · z C · r C T , C 22 α C θ C + V m i n , B C
V T , C 1 = α A · F · z A · r A T , C 1 α A Φ C 1 + α B · F · z B · r B T , C 1 α B Φ C 1 = V m i n , B C
In addition, in Figure 8, a modification had to be made (see Figure 1).
Figure 1. Updated version of Figure 8.
The authors apologize for any inconvenience caused and state that the scientific conclusions are unaffected. The original article has been updated.

Funding

This research received no external funding.

Conflicts of Interest

The authors declare no conflict of interest.

Reference

  1. Ränger, L.-M.; Preißinger, U.; Grützner, T. Robust Initialization of Rigorous Process Simulations of Multiple Dividing Wall Columns via Vmin Diagrams. ChemEngineering 2018, 2, 25. [Google Scholar] [CrossRef]
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