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Qualitative dynamic analysis of homogeneous azeotropic distillation columns

Author(s):

M. Morari
Conference/Journal:

IFAC Symposium on Dynamics and Control of Process Systems, Chejudo Island, Korea, Shilla Hotel
Abstract:

In this paper, the stability and dynamic behavior of homogeneous azeotropic distillation columns is studied with two novel tools that are based on a qualitative approach. Both methods analyze the dynamic behavior of column profiles after perturbations. The advantage of the proposed approaches is that they provide insight without detailed column simulations. In addition, they allow more general conclusions as they are not restricted to specific sets of operating conditions. The key concept of both analyses is to study the interaction of changes in the total column holdup and the shape of the column profile. This allows one to determine if the profiles are locally stable or unstable. While the first method is purely qualitative and can easily be generalized for predictions, the second method shows how it can be augmented with a numerical approach for analyses of specific cases.

Year:

2001
Type of Publication:

(06)Talk
Supervisor:



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