Supercritical Fluid Extraction: Principles and Practice

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Supercritical Fluid Extraction: Principles and Practice (Butterworth-Heinemann Series in Chemical Engineering): Mark A. McHugh Val J. Krukonis
Butterworth-Heinemann | ISBN: 0750692448 | January 1994 | PDF (OCR) | 608 pages | 27.15 Mb​


Supercritical Fluid Extraction is a technique in which CO2 is used under extremely high pressure to separate solution (e.g., removing caffeine from coffee). Separations is basic to all process industries and supercritical fluid extraction is a specific type which is receiving a high level of attention. The book will combine basic fundamentals with industrial applications. The second edition has been expanded and updated and includes new chapters on chromatography and food processing.

Table of Contents

1 Introduction 1
2 Historical Perspective 17
3 Phase Diagrams for Supercritical Fluid-Solute Mixtures 27
Phase Diagrams for Binary Mixtures 31
Solid-Supercritical Fluid Phase Diagrams 45
Polymer-Supercritical Fluid Phase Diagrams 61
Phase Diagrams for Ternary Mixtures 71
4 Experimental Techniques in High-Pressure Studies 85
Dynamic Methods for Measuring Solubilities in Supercritical Fluids 85
Static Methods for Measuring Solubilities in Supercritical Fluids 91
Methods for Determining Phase Border Curves 94
5 Thermodynamic Modeling of Supercritical Fluid-Solute Phase Behavior 99
Intermolecular Forces 99
Solubility Parameters 105
Vapor-Liquid Calculations 110
Liquid-Liquid-Vapor Calculations 114
Polymer-Supercritical Fluid Calculations 120
Solid-Supercritical Fluid Calculations 127
6 Process Operations 135
7 Early Industrial Applications 145
Propane Deasphalting 145
Solexol Process 150
ROSE Process 153
8 Supercritical Fluid Process Development Studies 157
Activated Carbon Regeneration 158
Separation of Organic-Water Solutions 170
Breaking an Azeotrope 182
9 Polymers and Monomers Processing 189
High-Pressure Polyethylene Polymerization 189
Polymer Fractionation Processes 192
Polyethylene Fractionation 198
Fractionation of Ethylene-Based Copolymers 205
Polysiloxane and Polysiloxane/PMMA Copolymer Fractionation 217
Fractionation of Polymer Binders for Solid Propellants 250
Oligomer Extraction from Polymers 257
Supercritical Fluid Chromatography Analysis of Polystyrene 258
Polymer Fiber Spinning 260
Fractionation of Various Polymers 262
Polymer-Organic Solvent Phase Separation 280
Monomer Purification 285
10 Processing Pharmaceuticals, Natural Products, Specialty Chemicals, and Waste Streams 293
Coffee Decaffeination 294
Edible Oils Extraction 299
Extraction of Chemotherapeutic Agents 304
Isomer Separations 307
Treatment of Waste Streams 309
11 Chemical Reactions in Supercritical Fluids 311
Enzyme Reactions 311
High-Temperature Reactions 321
Heterogeneous Catalysis 322
Viscosity Effects 325
Reaction/Separation Schemes 326
Enhanced Reaction Rates and Selectivities 328
12 Special Applications 333
Supercritical Fluid Nucleation 333
GAS Antisolvent Recrystallization 342
Swelling of Polymers 357
Formation of Porous Polymers 360
13 Epilogue 367
References 373
Appendix A. Patent Reviews 395
1 The Zosel Patent 397
2 Petroleum and other Fossil Fuels Separations 399
3 Coffee Decaffeination 417
4 Extraction of other Vegetable and Animal Materials 427
5 Polymers Processing 441
6 Separation of Organic-Water Solutions 444
7 Materials Processing 449
8 Miscellaneous 453
Appendix B. Calculating Binary, Vapor-Liquid Equilibria using the Peng-Robinson Equation of State 463
Calculating Ternary, Vapor-Liquid Equilibria using the Peng-Robinson Equation of State 470
Calculating Ternary, Vapor-Liquid-Liquid Equilibria using the Peng-Robinson Equation of State 478
Calculating Binary, Solid-SCF or Solid-Liquid-Gas Equilibria using the Peng-Robinson Equation of State 487
Calculating Binary, Vapor-Liquid Equilibria using the Sanchez-Lacombe Equation of State 492
Calculating Polymer-Solvent-Solvent, Vapor-Liquid Equilibria using the Sanchez-Lacombe Equation of State 497
Calculating Polymer-Solvent-Solvent, Vapor-Liquid-Liquid Equilibria using the Sanchez-Lacombe Equation of State 500
Index 503​

 

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