Effect of pressure on the solid-liquid equilibria of synthetic paraffin mixtures using predictive methods
The solid-liquid equilibria of paraffin mixtures are studied from low to high pressure. The liquid phase is described by a cubic equation of state. The solid phase is described by solid UNIQUAC with a pressure dependence term resulted from Clapeyron equation. The developed model accurately predicts...
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| 主要な著者: | , |
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| フォーマット: | 論文 |
| 出版事項: |
Elsevier
2011
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| 主題: | |
| オンライン･アクセス: | http://eprints.utp.edu.my/7655/1/2011-wax-NF.pdf http://eprints.utp.edu.my/7655/ |
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| 要約: | The solid-liquid equilibria of paraffin mixtures are studied from low to high pressure. The liquid phase is described by a cubic equation of state. The solid phase is described by solid UNIQUAC with a pressure dependence term resulted from Clapeyron equation. The developed model accurately predicts the wax disappearance temperature for pure, binary and multicomponent paraffin mixtures for wide range of conditions. Further, the model reasonably predicts the amount of wax precipitated and wax composition from low to high temperature and at any pressure. Comparing to other models, the developed model is in better agreement with experimental data in predicting wax disappearance temperature. In predicting wax deposit and composition, the developed model is similar to the well-known models in the literature. |
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