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Модел на идеално разбъркващ се реактор с непрекъснато подаване (CSTR)×Уравнение на състоянието на Пенг-Робинсън×PFR модел×Реакционна дестилация×
ОбластПриложна физикаПриложна физикаПриложна физикаПриложна физика
СемействоProcess / pipelineProcess / pipelineProcess / pipelineProcess / pipeline
Година на възникване1962197619621995
СъздателOctave LevenspielDing-Yu Peng and David Bernard RobinsonOctave LevenspielKlaus Sundmacher
ТипMathematical model for continuous flow reactorEquation of state; thermodynamic property correlationMathematical model for plug-flow reactorIntegrated reaction-separation process model
Основополагащ източникLevenspiel, O. (1999). Chemical Reaction Engineering (3rd ed.). John Wiley & Sons. ISBN: 978-0-471-25424-9Peng, D. Y., & Robinson, D. B. (1976). A new two-constant equation of state. Industrial & Engineering Chemistry Fundamentals, 15(1), 59-64. DOI ↗Levenspiel, O. (1999). Chemical Reaction Engineering (3rd ed.). John Wiley & Sons. ISBN: 978-0-471-25424-9Sundmacher, K., & Kienle, A. (2003). Reactive Distillation: Status and Future Directions. Wiley-VCH. ISBN: 978-3-527-30623-9
Други названияideal mixed reactor, back-mix reactor, CSTRPR-EOS, Peng-Robinson modelideal tubular reactor, plug-flow model, PFRintegrated distillation-reaction, reactive column, reaction with separation
Свързани3434
РезюмеThe 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Reactor) model describes the behavior of an ideal mixed reactor where fresh feed is continuously added, products are withdrawn, and contents are kept uniform by vigorous stirring.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.The Peng-Robinson equation of state is a cubic model that describes the thermodynamic properties of pure fluids and mixtures. Introduced by Ding-Yu Peng and David Bernard Robinson in 1976, it improves upon earlier models (van der Waals, Redlich-Kwong) by better predicting compressibility factors and phase equilibria, especially near the critical point. It is widely used in petroleum engineering, chemical process design, and natural gas calculations.The PFR (Plug Flow Reactor) model describes the behavior of a tubular reactor in which fluid elements move through as distinct plugs with no axial mixing. Fluid at the inlet is freshly unreacted; as it travels downstream, reactions progress. This idealized model, formalized by Octave Levenspiel alongside CSTR theory, is the opposite extreme: while CSTRs are fully mixed, PFRs have no axial mixing. In practice, PFRs achieve higher conversion than CSTRs for the same residence time and are widely used in the chemical and petroleum industries.Reactive 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.
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ScholarGateСравнение на методи: CSTR Model · Peng-Robinson Equation of State · PFR Model · Reactive Distillation. Извлечено на 2026-06-20 от https://scholargate.app/bg/compare