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Compară metode

Examinează metodele selectate una lângă alta; rândurile care diferă sunt evidențiate.

Modelul PFR (Reactor cu Flux Pistonic)×Modelul CSTR×Distilare reactivă×
DomeniuFizică aplicatăFizică aplicatăFizică aplicată
FamilieProcess / pipelineProcess / pipelineProcess / pipeline
Anul apariției196219621995
Autorul originalOctave LevenspielOctave LevenspielKlaus Sundmacher
TipMathematical model for plug-flow reactorMathematical model for continuous flow reactorIntegrated reaction-separation process model
Sursa seminalăLevenspiel, 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: 978-0-471-25424-9Sundmacher, K., & Kienle, A. (2003). Reactive Distillation: Status and Future Directions. Wiley-VCH. ISBN: 978-3-527-30623-9
Denumiri alternativeideal tubular reactor, plug-flow model, PFRideal mixed reactor, back-mix reactor, CSTRintegrated distillation-reaction, reactive column, reaction with separation
Înrudite334
RezumatThe 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.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Reactor) model describes the behavior of an ideal mixed reactor where fresh feed is continuously added, products are withdrawn, and contents are kept uniform by vigorous stirring.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.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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ScholarGateCompară metode: PFR Model · CSTR Model · Reactive Distillation. Preluat la 2026-06-19 de pe https://scholargate.app/ro/compare