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Реакционная дистилляция×Модель идеального реактора периодического действия с перемешиванием (CSTR)×Модель реактора идеального вытеснения×Пинч-анализ×
ОбластьПрикладная физикаПрикладная физикаПрикладная физикаПрикладная физика
СемействоProcess / pipelineProcess / pipelineProcess / pipelineProcess / pipeline
Год появления1995196219621978
Автор методаKlaus SundmacherOctave LevenspielOctave LevenspielBodo Linnhoff, John Flower
ТипIntegrated reaction-separation process modelMathematical model for continuous flow reactorMathematical model for plug-flow reactorThermal design and optimization 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: 978-0-471-25424-9Levenspiel, O. (1999). Chemical Reaction Engineering (3rd ed.). John Wiley & Sons. ISBN: 978-0-471-25424-9Linnhoff, B., & Flower, J. R. (1978). Synthesis of heat exchanger networks: I. Systematic generation of energy optimal networks. AIChE Journal, 24(4), 633-642. DOI ↗
Другие названияintegrated distillation-reaction, reactive column, reaction with separationideal mixed reactor, back-mix reactor, CSTRideal tubular reactor, plug-flow model, PFRheat integration, pinch point method, process integration
Связанные4334
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Reactor) model describes the behavior of an ideal mixed reactor where fresh feed is continuously added, products are withdrawn, and contents are kept uniform by vigorous stirring.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.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.Pinch analysis is a systematic method for identifying the minimum energy requirements and optimal heat recovery opportunities in chemical processes. Developed by Bodo Linnhoff and John Flower in 1978, it graphically identifies the 'pinch point'—the most constrained part of the process where heating and cooling demands nearly balance. By targeting these bottlenecks, engineers can design energy-efficient heat exchanger networks and reduce operating costs dramatically.
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ScholarGateСравнение методов: Reactive Distillation · CSTR Model · PFR Model · Pinch Analysis. Получено 2026-06-19 из https://scholargate.app/ru/compare