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| Peng-Robinson tillståndsekvation× | Reaktiv destillation× | |
|---|---|---|
| Ämnesområde | Tillämpad fysik | Tillämpad fysik |
| Familj | Process / pipeline | Process / pipeline |
| Ursprungsår≠ | 1976 | 1995 |
| Upphovsperson≠ | Ding-Yu Peng and David Bernard Robinson | Klaus Sundmacher |
| Typ≠ | Equation of state; thermodynamic property correlation | Integrated reaction-separation process model |
| Ursprungskälla≠ | Peng, D. Y., & Robinson, D. B. (1976). A new two-constant equation of state. Industrial & Engineering Chemistry Fundamentals, 15(1), 59-64. DOI ↗ | Sundmacher, K., & Kienle, A. (2003). Reactive Distillation: Status and Future Directions. Wiley-VCH. ISBN: 978-3-527-30623-9 |
| Alias≠ | PR-EOS, Peng-Robinson model | integrated distillation-reaction, reactive column, reaction with separation |
| Närliggande | 4 | 4 |
| Sammanfattning≠ | 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. | 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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