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Stationary state stability of the process of lactic acid biotechnological production

Author(s): Gordeeva Yu. L. | Ivashkin Yu. A. | Gordeev L. S.

Journal: Vestnik Astrahanskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Upravlenie, Vyčislitelʹnaâ Tehnika i Informatika
ISSN 2072-9502

Volume: 7 pages;
Start page: 27;
Date: 2012;
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Keywords: lactic acid | stationary state | stability

The equations for evaluation of the stationary state of lactic acid microbiological synthesis have been received. The kinetic dependencies for specific biomass growth rate, consumption of the substrate and lactic acid production are taken as a basis. Raus – Hurwitz method has been used for evaluation of the stability. The matrix elements have been determined by linearization of non-stationary mathe-matical model equations. The results of the estimation correspond to Lyapunov’s stability concept. The numerical results for some of the stationary states are presented.
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