Distillation and Rectification
Abstract
The article contains sections titled:
1. |
Introduction |
2. |
Vapor - Liquid Equilibrium |
2.1. |
Empirical Findings in Vapor - Liquid Equilibrium |
2.1.1. |
Binary Mixtures |
2.1.2. |
Ternary Mixtures |
2.2. |
Empirical Laws of Vapor - Liquid Equilibrium |
2.2.1. |
Equilibrium Constant |
2.2.2. |
Equilibrium Curve |
2.2.3. |
Distillation Curve |
2.3. |
Calculation of Phase Equilibrium from Excess Enthalpy |
2.4. |
Calculation of Phase Equilibrium from Equations of State |
2.5. |
Practical Determination of Phase Equilibria |
3. |
Distillation |
3.1. |
Continuous Distillation |
3.1.1. |
Continuous Distillation of Binary Mixtures |
3.1.2. |
Continuous Distillation of Multicomponent Mixtures |
3.2. |
Batch Distillation |
3.2.1. |
Batch Distillation of Binary Mixtures |
3.2.2. |
Batch Distillation of Multicomponent Mixtures |
3.3. |
Semicontinuous Distillation |
3.3.1. |
Semicontinuous Distillation of Binary Mixtures |
3.3.2. |
Semicontinuous Distillation of Multicomponent Mixtures |
4. |
Continuous Rectification (Multiple Distillation) |
4.1. |
Principles |
4.1.1. |
Equilibrium-Stage Concept |
4.1.2. |
Transfer-Unit Concept |
4.1.3. |
Comparison of Equilibrium-Stage and Transfer-Unit Concepts |
4.2. |
Rectification of Binary Mixtures |
4.2.1. |
Prediction of Rectification Based on Material Balance |
4.2.2. |
Prediction of Rectification Based on Material and Enthalpy Balances |
4.2.3. |
Rectification of Binary Mixtures at Infinite Reflux Ratio |
4.2.4. |
Rectification of Binary Mixtures at Minimum Reflux Ratio |
4.2.5. |
Heat Requirements for Rectification of Binary Mixtures |
4.3. |
Rectification of Ternary Mixtures |
4.3.1. |
Rectification of Ternary Mixtures at Infinite Reflux Ratio |
4.3.2. |
Rectification of Ternary Mixtures at Minimum Internal Loads |
4.3.2.1. |
Minimum Reflux Ratio and Minimum Reboil Ratio for Preferred Separation |
4.3.2.2. |
Minimum Reflux Ratio for Separation of the Low Boiler |
4.3.2.3. |
Minimum Reboil Ratio for Separation of the High Boiler |
4.3.3. |
Rectification of Ternary Mixtures at Finite Reflux Ratio |
4.3.4. |
Problems Arising in Column Calculations |
4.4. |
Rectification of Multicomponent Mixtures |
5. |
Batch Rectification |
5.1. |
Batch Rectification of Binary Mixtures |
5.1.1. |
Operation at Constant Reflux Ratio |
5.1.2. |
Operation at Constant Distillate Composition |
5.1.3. |
Operation with Minimum Energy Requirement |
5.2. |
Batch Rectification of Multicomponent Mixtures |
6. |
Industrial Rectification Processes |
6.1. |
Binary Rectification |
6.2. |
Multicomponent Separation |
6.3. |
Separation of Heterogeneous Azeotropic Mixtures |
6.4. |
Separation of Binary Azeotropic Mixtures by Changing System Pressure |
6.5. |
Separation of Azeotropic Mixtures with an Entrainer (Azeotropic and Extractive Distillation) |
6.5.1. |
Process Description |
6.5.2. |
Choice of Entrainer |
6.5.3. |
Entrainment Rectification of Azeotropic Mixtures in Combination with Other Separation Methods |
7. |
Energy Economization in Rectification |
7.1. |
Single Columns |
7.1.1. |
Reduction of Heat Requirement |
7.1.2. |
Reduction of Exergy Losses |
7.2. |
Optimal Separation Sequences for Multicomponent Mixtures |
7.3. |
Column Coupling |
7.3.1. |
Direct Coupling of Columns |
7.3.2. |
Indirect Coupling of Columns |
7.3.2.1. |
Binary Mixtures |
7.3.2.2. |
Ternary Mixtures |
7.4. |
Design of Heat-Exchanger Networks |
8. |
Design and Dimensioning of Mass-Transfer Equipment |
8.1. |
Types of Construction |
8.1.1. |
Plate Columns |
8.1.2. |
Packed Columns |
8.1.3. |
Criteria for Use of Plate or Packed Columns |
8.2. |
Dimensioning of Plate Columns |
8.2.1. |
Operating Region of Plate Columns |
8.2.2. |
Two-Phase Flow in Plate Columns |
8.2.3. |
Mass Transfer in the Two-Phase Layer on Column Plates |
8.3. |
Dimensioning of Packed Columns |
8.3.1. |
Operating Region of Packed Columns |
8.3.2. |
Two-Phase Flow in Packed Columns |
8.3.3. |
Calculation of Mass Transfer in Packed Columns |