ISBN-10:
111898059X
ISBN-13:
9781118980590
Pub. Date:
10/03/2016
Publisher:
Wiley
Teach Yourself the Basics of Aspen Plus / Edition 2

Teach Yourself the Basics of Aspen Plus / Edition 2

by Ralph Schefflan

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Overview

Teach Yourself the Basics of Aspen Plus / Edition 2

Aspen Plus is one of the most popular process simulation software programs used industrially and academically. The book is designed to enable chemical engineers to go through a step-by-step process of learning the basic ideas underlying chemical process simulation, by studying the primary functions of the Aspen Plus software. Because of the major changes Aspen Technology has made in the user’s interface in release 8.x, parts of the first edition which is based on release 7.x have become obsolete. However much of the scientific and engineering material has not changed; for example the material describing the distillation modules is completely suitable for self-study however some of the displays have changed. New chapters include Equation-Oriented Simulation, Electrolytes, and an appendix on The NIST Thermo Data Engine as a data source.

Each chapter starts with the equivalent of a classroom lecture followed by workshops which provide experience in the chapter's subject matter. The downloadable files contain solutions, both in Aspen Plus and text formats, to examples imbedded in the text as well as to all the workshops. There are also notes at the end of each chapter designed to aid readers that have difficulty with the workshops.

Product Details

ISBN-13: 9781118980590
Publisher: Wiley
Publication date: 10/03/2016
Pages: 280
Sales rank: 443,950
Product dimensions: 6.70(w) x 9.60(h) x 0.60(d)

About the Author

RALPH SCHEFFLAN has been an Adjunct Professor at Stevens Institute of Technology (SIT) for the past twenty-nine years. He has taught four graduate courses—thermodynamics, process simulation, numerical methods, and equilibrium stage operations—during his time there, as well as being SIT's representative to Aspen Technology. Dr. Schefflan introduced process simulation at SIT evolving from Flowtran to Aspen Plus. In his twenty-two years at Hoffmann-LaRoche he also introduced process simulation and was a founding member of the Flowtran Users Group.

Table of Contents

PREFACE TO THE SECOND EDITION xiii

PREFACE TO THE FIRST EDITION xv

ACKNOWLEDGMENTS xix

ABOUT THE COMPANION WEBSITE xxi

1 INTRODUCTION TO ASPEN PLUS 1

1.1 Basic Ideas / 1

1.2 Starting Aspen Plus / 4

1.3 The Next Function / 6

1.4 The Navigation Pane / 6

1.5 The Property Environment / 8

1.6 Properties for Simulation / 11

1.7 The Simulation Environment / 13

1.8 Simulation Options / 13

1.9 Units / 14

1.10 Streams / 15

1.11 Blocks / 16

1.12 The Object Manager / 17

1.13 Model Execution / 17

1.14 Viewing Results / 18

1.15 Plotting Results / 20

References / 20

2 PROPERTIES 21

2.1 Introduction / 21

2.2 The Pure Component Databanks / 22

2.3 Property Analysis / 25

2.4 Property Estimation / 29

2.5 Workshops / 32

2.6 Workshop Notes / 33

References / 34

3 THE SIMPLE BLOCKS 35

3.1 Introduction / 35

3.2 Mixer/Splitter Blocks / 35

3.3 The Simple Separator Blocks / 37

3.4 Some Manipulator Blocks / 40

3.5 Workshops / 43

3.6 Workshop Notes / 44

4 PROCESSES WITH RECYCLE 47

4.1 Introduction / 47

4.2 Blocks with Recycle / 48

4.3 Heuristics / 51

4.4 Workshops / 51

4.5 Workshop Notes / 55

References / 56

5 FLOWSHEETING AND MODEL ANALYSIS TOOLS 57

5.1 Introduction / 57

5.2 Introduction to Fortran in Aspen Plus / 58

5.3 Basic Interpreted Fortran Capabilities / 58

5.4 The Sensitivity Function / 61

5.5 The Design Specification / 63

5.6 The Calculator Function / 65

5.7 The Transfer Function / 68

5.8 Workshops / 69

5.9 Workshop Notes / 71

References / 71

6 THE DATA REGRESSION SYSTEM (DRS) 73

6.1 Introduction / 73

6.2 Parameters of Equations of State / 74

6.3 Parameters of Activity Coefficient Equations / 76

6.4 Basic Ideas of Regression / 78

6.5 The Mathematics of Regression / 80

6.6 Practical Aspects of Regression of VLE or LLE Data / 82

6.7 VLE and LLE Data Sources / 90

6.8 Workshops / 93

6.9 Workshop Notes / 95

References / 96

7 FLASHES AND DECANTER 99

7.1 Introduction / 99

7.2 The Flash2 Block / 99

7.3 The Flash3 Block / 104

7.4 The Decanter Block / 105

7.5 Workshops / 107

7.6 Workshop Notes / 108

References / 109

8 PRESSURE CHANGERS 111

8.1 Introduction / 111

8.2 The Pump Block / 111

8.3 The Compr Block / 112

8.4 The MCompr Block / 113

8.5 Pipelines and Fittings / 114

8.6 Workshops / 115

8.7 Workshop Notes / 116

References / 116

9 HEAT EXCHANGERS 117

9.1 Introduction / 117

9.2 The Heater Block / 118

9.3 The Heatx Block / 122

9.4 The Mheatx Block / 126

9.5 Workshops / 127

9.6 Workshop Notes / 128

References / 129

10 REACTORS 131

10.1 Introduction / 131

10.2 The RStoic Block / 132

10.3 The RYield Block / 133

10.4 The REquil Block / 135

10.5 The RGibbs Block / 136

10.6 Reactions for the Rigorous Models / 138

10.7 The RCSTR Block / 143

10.8 The RPlug Block / 143

10.9 The RBatch Block / 145

10.10 Workshops / 148

10.11 Workshop Notes / 150

References / 151

11 MULTISTAGE EQUILIBRIUM SEPARATORS 153

11.1 Introduction / 153

11.2 The Basic Equations / 153

11.3 The Design Problem / 156

11.4 A Three-Product Distillation Example / 160

11.5 Preliminary Design and Rating Models / 162

11.6 Rigorous Models / 165

11.7 BatchSep / 174

11.8 Workshops / 178

11.9 Workshop Notes / 179

References / 181

12 PROCESS FLOWSHEET DEVELOPMENT 183

12.1 Introduction / 183

12.2 Heuristics / 184

12.3 An Example –The Production of Styrene / 184

12.4 A Model with Basic Blocks / 185

12.5 Properties / 185

12.6 Rigorous Flash and Decanter / 187

12.7 Analyzing the Rigorous Distillation / 188

12.8 Integrating the Rigorous Distillation into the Flowsheet / 189

12.9 The Reactor Feed / 192

12.10 Miscellaneous Considerations / 192

12.11 Workshops / 192

12.12 Workshop Notes / 195

Reference / 196

13 OPTIMIZATION 197

13.1 Introduction / 197

13.2 An Optimization Example / 198

13.3 Workshops / 202

13.4 Workshop Notes / 203

References / 205

14 COMPLEX EQUILIBRIUM STAGE SEPARATIONS 207

14.1 Introduction / 207

14.2 Energy Integration Applications / 208

14.3 Homogeneous Azeotropic Distillation / 210

14.4 Extractive Distillation / 211

14.5 Heterogeneous Operations / 214

14.6 Workshops / 215

14.7 Workshop Notes / 217

References / 219

15 EQUATION-ORIENTED SIMULATION 221

15.1 Introduction / 221

15.2 Identification of Variables / 222

15.3 Equations for EO Simulation / 223

15.4 Solving the EO Equations / 225

15.5 Comparing Calculated Variables in SM and EO Simulation / 227

15.6 Synchronization of the Equations / 228

15.7 The Equation Oriented Menu / 229

15.8 Solution of an EO Problem / 230

15.9 Reinitialization / 232

15.10 A Design Specification / 233

15.11 An SM Problem That is Difficult to Converge / 234

15.12 Sensitivity Analysis / 235

15.13 Equation-Oriented Optimization / 235

15.14 Workshops / 238

15.15 Workshop Notes / 241

References / 241

16 ELECTROLYTES 243

16.1 Introduction / 243

16.2 Electrolyte Solution Equilibria / 243

16.3 Electrolyte Solution Equilibria and the Electrolyte Wizard / 244

16.4 Electrolyte Equilibrium/Phase Equilibrium Examples / 248

References / 250

17 BEYOND THE BASICS OF ASPEN PLUS 251

INDEX 253

What People are Saying About This

From the Publisher

"Intended for graduate students in chemical engineering, this guide to the Aspen Plus process modeling software tool provides practical instruction for getting started with this useful simulation tool." (Booknews, 1 April 2011)

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