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Design and Control of Distillation Systems for Separating by William L. Luyben

By William L. Luyben

Content material:
Chapter 1 advent (pages 1–10):
Chapter 2 section Equilibrium (pages 11–43):
Chapter three Steady?State layout in Aspen Plus (pages 45–95):
Chapter four Dynamics and regulate in Aspen Dynamics (pages 97–145):
Chapter five Pressure?Swing Azeotropic Distillation (pages 149–164):
Chapter 6 strain Swing with warmth Integration (pages 165–197):
Chapter 7 Heterogeneous Binary Azeotropes (pages 199–215):
Chapter eight Isopropanol–Water (Cyclohexane because the Entrainer) (pages 219–244):
Chapter nine Acetic Acid–Water (Isobutyl Acetate because the Entrainer) (pages 245–295):
Chapter 10 Isopropanol–Water (Dimethyl Sulfoxide because the Entrainer) (pages 299–325):
Chapter eleven Extractive Distillation of the Acetone–Methanol procedure (pages 327–367):
Chapter 12 Maximum?Boiling Azeotropes (pages 369–383):
Chapter thirteen Batch Distillation of Azeotropes (pages 387–428):
Chapter 14 Hybrid Distillation–Pervaporation structures (pages 429–450):

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Extra resources for Design and Control of Distillation Systems for Separating Azeotropes

Sample text

Can be located as an input stream or an output stream from the distillation column. Place the cursor on one arrow and left click. Then place the cursor where you want to connect the stream, and click. 6. Note that the distillate stream has been connected at the arrow that is below the condenser symbol. This gives a liquid distillate product. If the stream had been connected to the arrow coming out of the top of the condenser, the distillate would be a vapor and the condenser would be a partial condenser.

Since model parameters of two binary pairs are missing, we select Estimate missing parameters by UNIFAC in this window. The next step is to go to Setup ! Specifications and change the run type into Property Estimation (see Fig. 40). 41. 42 shows that the estimation run is complete and asks if we want to replace the existing model parameters of the four binary pairs with the new estimated parameters. Since the built-in parameters are obtained from the fitting of known experimental data and should be more reliable, we select No to all.

After clicking the Report button on the left-hand side of this dialog box, the information of all the azeotropes is generated (see Fig. 14). 14 Results of the azeotrope search for the isopropanol –water –cyclohexane system. 5 DATA REGRESSION 27 with three binary azeotropes and one ternary azeotrope. The binary azeotrope of water – cyclohexane and the ternary azeotrope are heterogenous. The other two binary azeotropes are homogeneous. 14. These prediction results should be compared with the experimental data for validation of the reliability of the thermodynamic model.

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