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Реакционная дистилляция×Модель идеального реактора периодического действия с перемешиванием (CSTR)×UNIFAC×
ОбластьПрикладная физикаПрикладная физикаПрикладная физика
СемействоProcess / pipelineProcess / pipelineProcess / pipeline
Год появления199519621975
Автор методаKlaus SundmacherOctave LevenspielAage Fredenslund, Russell Jones, John Prausnitz
ТипIntegrated reaction-separation process modelMathematical model for continuous flow reactorActivity coefficient model; predictive liquid-phase property method
Основополагающий источникSundmacher, K., & Kienle, A. (2003). Reactive Distillation: Status and Future Directions. Wiley-VCH. ISBN: 978-3-527-30623-9Levenspiel, O. (1999). Chemical Reaction Engineering (3rd ed.). John Wiley & Sons. ISBN: 978-0-471-25424-9Fredenslund, A., Jones, R. L., & Prausnitz, J. M. (1975). Group-contribution estimation of activity coefficients in nonideal liquid mixtures. AIChE Journal, 21(6), 1086-1099. DOI ↗
Другие названияintegrated distillation-reaction, reactive column, reaction with separationideal mixed reactor, back-mix reactor, CSTRUNIFAC predictive model, UNIQUAC functional-group contribution
Связанные433
СводкаReactive distillation couples reaction and separation in a single column, where reactants are separated from products continuously while simultaneously undergoing reaction on catalytic trays. Pioneered in the 1990s by Klaus Sundmacher and others, this process intensification technique dramatically reduces capital cost, energy consumption, and environmental impact for suitable reactions. It is now industrially proven for esterification, hydration, and transesterification processes.The CSTR (Continuous Stirred-Tank Reactor) model describes the behavior of an ideal mixed reactor where fresh feed is continuously added, products are withdrawn, and contents are kept uniform by vigorous stirring. This fundamental model, formalized by Octave Levenspiel in the 1960s, is widely used to design and scale batch and continuous processes. Despite its simplicity, it captures essential dynamics of industrial reactors and is the baseline for process control and optimization.UNIFAC (Universal Functional-group Activity Coefficient) is a predictive model for liquid-phase activity coefficients of multicomponent mixtures. Developed by Fredenslund, Jones, and Prausnitz in 1975, it decomposes molecules into functional groups and uses group interaction parameters to estimate non-ideal behavior. UNIFAC is revolutionary because it can predict phase equilibria for mixtures never experimentally measured, making it invaluable for process design and chemical engineering.
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ScholarGateСравнение методов: Reactive Distillation · CSTR Model · UNIFAC. Получено 2026-06-19 из https://scholargate.app/ru/compare