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| Modello CSTR× | Equazione di Stato di Peng-Robinson× | |
|---|---|---|
| Campo | Fisica applicata | Fisica applicata |
| Famiglia | Process / pipeline | Process / pipeline |
| Anno di origine≠ | 1962 | 1976 |
| Ideatore≠ | Octave Levenspiel | Ding-Yu Peng and David Bernard Robinson |
| Tipo≠ | Mathematical model for continuous flow reactor | Equation of state; thermodynamic property correlation |
| Fonte seminale≠ | Levenspiel, O. (1999). Chemical Reaction Engineering (3rd ed.). John Wiley & Sons. ISBN: 978-0-471-25424-9 | Peng, D. Y., & Robinson, D. B. (1976). A new two-constant equation of state. Industrial & Engineering Chemistry Fundamentals, 15(1), 59-64. DOI ↗ |
| Alias≠ | ideal mixed reactor, back-mix reactor, CSTR | PR-EOS, Peng-Robinson model |
| Correlati≠ | 3 | 4 |
| Sintesi≠ | 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Reactor) model describes the behavior of an ideal mixed reactor where fresh feed is continuously added, products are withdrawn, and contents are kept uniform by vigorous stirring.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 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. |
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