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Stability and Transient Behavior of Homogeneous Azeotropic Distillation

Author(s):

C. Dorn, M. Lee, M. Morari
Conference/Journal:

Computers & Chemical Engineering, vol. 23 Supplement, pp. 185-188
Abstract:

In this Article, the steady state and dynamic behavior of an azeotropic distillation column separating the homogeneous ternary mixture acetone-benzene-heptane is studied. Nonlinear phenomena reported in earlier studies like multiple steady states (Bekiaris et al., Ind. Eng. Chem. Res., 1993, Vol. 32(9), pp. 2023-2038) and limit cycles (Lee et al., Ind. Eng. Chem. Res., 1999, Vol. 38(5), pp. 2021-2027) are shown for this mixture. In addition, a new phenomenon is reported: the occurrence of homoclinic bifurcations resulting in cases of only one attractor in the presence of three steady states.

It is discussed how these phenomena are influenced by operating parameters that can be specified in a distillation column such as distillate and reflux flow rate, feed composition, etc. The steady state and dynamic behavior is classified in the parameter space.



Further Information
Year:

1999
Type of Publication:

(01)Article
Supervisor:



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% Autogenerated BibTeX entry
@Article { DorLee:1999:IFA_344,
    author={C. Dorn and M. Lee and M. Morari},
    title={{Stability and Transient Behavior of Homogeneous Azeotropic
	  Distillation}},
    journal={Computers \& Chemical Engineering},
    year={1999},
    volume={23 Supplement},
    number={},
    pages={185--188},
    url={http://control.ee.ethz.ch/index.cgi?page=publications;action=details;id=344}
}
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