Chemical Process Retrofitting and Revamping (eBook, ePUB)

Techniques and Applications
Redaktion: Rangaiah, Gade Pandu

• Format: ePub

Produktbeschreibung

The proposed book will be divided into three parts. The chapters in Part I provide an overview of certain aspect of process retrofitting. The focus of Part II is on computational techniques for solving process retrofit problems. Finally, Part III addresses retrofit applications from diverse process industries. Some chapters in the book are contributed by practitioners whereas others are from academia. Hence, the book includes both new developments from research and also practical considerations. Many chapters include examples with realistic data. All these feature make the book useful to industrial engineers, researchers and students.

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Produktdetails

• Verlag: John Wiley & Sons
• Seitenzahl: 432
• Erscheinungstermin: 29. Januar 2016
• Englisch
• ISBN-13: 9781119016304
• Artikelnr.: 44632294

Autorenporträt

Gade Pandu Rangaiah, Department of Chemical & Biomolecular Engineering, National University of Singapore, Singapore.

Inhaltsangabe

List of Contributors xiii
Preface xv
PART I OVERVIEW
1 Introduction 3
G.P. Rangaiah
1.1 Chemical Process Plants 3
1.2 Process Retrofitting and Revamping 4
1.3 Stages in Process Retrofitting/Revamping Projects 6
1.4 Conceptual Process Design for Process Retrofit/Revamp Projects 8
1.5 Research and Development in Process Retrofit/Revamp 9
1.6 Scope and Organization of this Book 12
1.7 Conclusions 16
References 17
2 Project Engineering and Management for Process Retrofitting and Revamping
19
C.C.S. Reddy
2.1 Introduction 19
2.2 Key Differences between Revamp and Grassroots Designs 20
2.3 Revamp Design Methodology 20
2.4 Project/Process Engineering and Management of Revamp Projects 24
2.4.1 Revamp Objectives and Pre-Feasibility Study 24
2.4.2 Conceptual Design (Pre-FEED) 24
2.4.3 FEED (Front End Engineering Design) 31
2.4.4 Detailed Engineering, Procurement and Construction 33
2.4.5 Project Completion 35
2.5 Key Elements of Project Management 35
2.5.1 Project Schedule 39
2.5.2 Project Execution and Progress Monitoring 39
2.5.3 Project Cost Control 40
2.5.4 Risk Management 41
2.5.5 Final Project Deliverables 41
2.6 Revamp Options for Process Equipment 41
2.7 Conclusions 53
Acronyms 53
References 54
3 Process Safety in Revamp Projects 57
Raman Balajee and C.C.S. Reddy
3.1 Introduction 57
3.2 Lessons from Past Process Safety Incidents 59
3.3 Preliminary Hazard Review during Conceptual Design 60
3.3.1 Risk Matrix for Qualitative Judgments 61
3.3.2 What-If and Process Safety Check Lists 62
3.3.3 Plot Plan and Layout Review 63
3.3.4 Area Classification Reviews 65
3.3.5 Pressure Relief System Considerations 66
3.3.6 Fire Safety for Revamp Projects 72
3.4 Process Hazard Analysis (PHA) 74
3.4.1 Process Plant Hazard Review using HAZOP 74
3.4.2 Failure Modes and Effects Analysis (FMEA) Tool 79
3.4.3 Instrumented Protective System Design 81
3.4.4 Fault Tree Analysis 82
3.4.5 Event Tree Analysis 84
3.4.6 Layer of Protection Analysis (LOPA) 85
3.4.7 Safety Instrumented System (SIS) Life Cycle 88
3.5 Revision of PSI and Operator Induction 88
3.6 Pre-Start-up Safety Review (PSSR) 90
3.7 Management of Change (MOC) 91
3.8 Conclusions 92
Acronyms 93
Exercises 94
References 95
PART II TECHNIQUES FOR RETROFITTING AND REVAMPING
4 Mathematical Modeling, Simulation and Optimization for Process Design 99
Shivom Sharma and G.P. Rangaiah
4.1 Introduction 99
4.2 Process Modeling and Model Solution 101
4.2.1 Process Modeling 101
4.2.2 Model Solution 103
4.2.3 Model for Membrane Separation of a Gas Mixture 104
4.3 Process Simulators and Aspen Custom Modeler 107
4.4 Optimization Methods and Programs 108
4.5 Interfacing a Process Simulator with Excel 112
4.6 Application to Membrane Separation Process 113
4.7 Conclusions 116
Acronyms 116
Appendix 4A: Implementation of Membrane Model in ACM 117
Appendix 4B: Interfacing of Aspen Plus v8.4 with Excel 2013 119
Appendix 4C: Interfacing of Aspen HYSYS v8.4 with Excel 2013 122
Exercises 125
References 125
5 Process Intensification in Process Retrofitting and Revamping 129
D.P. Rao
5.1 Introduction 129
5.1.1 Retrofitting and Revamping 129
5.1.2 Evolution of Chemical Industries and Process Intensification 130
5.1.3 Flow Chemistry 130
5.2 Methods of Process Intensification 130
5.2.1 Intensification of Rates 131
5.2.2 Process Integration 132
5.3 Alternatives to Conventional Separators 132
5.3.1 Rotating Packed Beds (HIGEE) 133
5.3.2 HIGEE with Split Packing 134
5.3.3 Zigzag HIGEE 135
5.3.4 Multi-rotor Zigzag HIGEE 136
5.3.5 Applications of HIGEE for Retrofitting 137
5.3.6 Podbielniak Centrifugal Extractor 138
5.3.7 Annular Centrifugal Extractor 139
5.3.8 Adsorbers 140
5.4 Alternatives to Stirred Tank Reactor (STR) 142
5.4.1 HEX Reactor 142
5.4.2 Advanced-flowTM Reactor (AFR) 143
5.4.3 Agitated Cell Reactor (ACR) 145
5.4.4 Oscillatory-flow Baffled Reactors (OBR) 146
5.4.5 Spinning Disc Reactor (SDR) 147
5.4.6 Spinning Tube-in-tube Reactor (STTR) 148
5.4.7 Stator-rotor Spinning Disc Reactor (Stator-rotor SDR) 150
5.4.8 Reactor Selection 150
5.4.9 Microchannel Devices 151
5.5 Process Integration 151
5.5.1 Heat and Mass Integration 152
5.5.2 Reactive Separations 152
5.5.3 Hybrid Separation 153
5.5.4 Conversion of Crosscurrent into Countercurrent Process 153
5.5.5 Process-specific Integration 154
5.5.6 In-line Processing 157
5.5.7 Twister® - A Supersonic Separator 158
5.6 Fundamental Issues of PI 159
5.7 Future of PI 159
5.8 Conclusions 160
Acknowledgement 160
Appendix 5A: Monographs, Reviews and Some Recent Papers 160
References 163
6 Using Process Integration Technology to Retrofit Chemical Plants for
Energy Conservation and Wastewater Minimization 167
Russell F. Dunn and Jarrid Scott Ristau
6.1 Introduction 167
6.1.1 Heat Integration Networks 168
6.1.2 Water Recycle Networks 169
6.2 Graphical Design Tools for Retrofitting Process for Energy Conservation
by Designing Heat Exchange Networks 170
6.2.1 The Temperature-Interval Diagram (TID) 171
6.2.2 The Heat Pinch Composite Curves (Temperature-Enthalpy Diagrams) 172
6.2.3 The Enthalpy-Mapping Diagram (EMD) 174
6.2.4 Identifying Heat Integration Matches Using the TID and EMD 174
6.2.5 Graphical Tools Facilitate HEN Design for Large-scale Industrial
Problems 177
6.3 Graphical Design Tools for Retrofitting Processes for Wastewater
Reduction by Designing Water Recycle Networks 179
6.3.1 The Material Recycle Pinch Diagram 179
6.3.2 The Source-Sink Mapping Diagram 181
6.3.3 Suggested Guidelines for Identifying Water Recycle Matches Using the
Material Recycle Pinch Diagram and Source-Sink Mapping Diagrams 181
6.4 Conclusions 182
Appendix 6A: Illustrating the Water Recycle Network Design Guidelines 183
Exercises 188
References 190
7 Heat Exchanger Network Retrofitting: Alternative Solutions via
Multi-objective Optimization for Industrial Implementation 193
B.K. Sreepathi and G.P. Rangaiah
7.1 Introduction 193
7.2 Heat Exchanger Networks 196
7.2.1 Structural Representation 198
7.3 HEN Improvements 199
7.4 MOO Method, HEN Model and Exchanger Reassignment Strategy 203
7.4.1 Multi-objective Optimization 203
7.4.2 HEN Model 205
7.4.3 Exchanger Reassignment Strategy (ERS) 206
7.5 Case Study 208
7.6 Results and Discussion 208
7.6.1 Simple Retrofitting 209
7.6.2 Moderate Retrofitting 211
7.6.3 Complex Retrofitting 214
7.6.4 Comparison and Discussion 216
7.7 Conclusions 218
Appendix 7A: Calculation of Nodal Temperatures 218
Exercises 221
References 221
8 Review of Optimization Techniques for Retrofitting Batch Plants 223
Catherine Azzaro-Pantel
8.1 Introduction 223
8.2 Batch Plant Typical Features 224
8.3 Formulation of the Batch Plant Retrofit Problem 228
8.3.1 Design versus Retrofitting Problem 228
8.3.2 Design/Retrofit Problems: A Four-Level Framework 229
8.4 Methods and Tools for Retrofit Strategies 230
8.4.1 General Comments 230
8.4.2 Key Approaches in Batch Plant Retrofitting: Deterministic vs
Stochastic Methods 238
8.4.3 New Trends in Batch Plant Retrofitting: Steps for More Sustainable
Processes 242
8.5 Conclusions 243
References 244
PART III RETROFITTING AND REVAMPING APPLICATIONS
9 Retrofit of Side Stream Columns to Dividing Wall Columns, with Case
Studies of Industrial Applications 251
Moonyong Lee, Le Quang Minh, Nguyen Van Duc Long, and Joonho Shin
9.1 Introduction 251
9.2 Side Stream Column 254
9.2.1 Side Stream Configuration 254
9.2.2 Heuristic Rules for the Use of SSCs 256
9.2.3 Pros and Cons of SSC 257
9.2.4 Design of SSC 257
9.3 Dividing Wall Column 258
9.3.1 Introduction 258
9.3.2 Design and Optimization of DWC 259
9.4 Retrofit of an SSC to a DWC 260
9.4.1 Introduction 260
9.4.2 Design and Optimization of Retrofitted DWC 260
9.4.3 Column Modification and Hardware 263
9.5 Case Studies of Industrial Applications 266
9.5.1 Acetic Acid Purification Column 266
9.5.2 n-BuOH Refining Column 271
9.6 Other Case Studies 275
9.6.1 Ethylene Dichloride (EDC) Purification Column 275
9.6.2 Diphenyl Carbonate (DPC) Purification Column 276
9.6.3 Other SSCs 277
9.7 Conclusions 277
Acknowledgements 278
Nomenclature 278
References 279
10 Techno-economic Evaluation of Membrane Separation for Retrofitting
Olefin/Paraffin Fractionators in an Ethylene Plant 285
X.Z. Tan, S. Pandey, G.P. Rangaiah, and W. Niu
10.1 Introduction 285
10.2 Olefin/Paraffin Separation in an Ethylene Plant 287
10.3 Membrane Model Development 289
10.3.1 Membrane Modeling 289
10.3.2 Assumptions for Membrane Separation Simulation 291
10.4 Retrofitting a Distillation Column with a Membrane Unit 292
10.4.1 HMD Modeling and Simulation 292
10.4.2 Techno-economic Feasibility of Retrofit Operation 296
10.5 Formulation of Multi-objective-Optimization Problem 300
10.6 Results and Discussion 304
10.6.1 Case 1: HMD System for EF (Assuming Credit for Reboiler Duty) 304
10.6.2 Case 2: HMD System for EF (Assuming Reboiler Duty as Cost) 306
10.6.3 Case 3: HMD System for PF 308
10.7 Conclusions 310
Appendix 10A: Membrane Model Validation 310
Appendix 10B: Costing of HMD System 312
Exercises 315
References 315
11 Retrofit of Vacuum Systems in Process Industries 317
C.C.S. Reddy and G.P. Rangaiah
11.1 Introduction 317
11.2 Vacuum-generation Methods 318
11.3 Design Principles and Utility Requirements 320
11.3.1 Suction Load of Vacuum System 320
11.3.2 Steam Jet Ejectors 323
11.3.3 Liquid Ring Vacuum Pumps 325
11.3.4 Dry Vacuum Pumps 326
11.4 Chilled-water Generation 326
11.5 Optimization of Vacuum System Operating Cost 328
11.6 Case Study 1: Retrofit of a Vacuum System in a Petroleum Refinery 332
11.6.1 Analysis of the Results 335
11.7 Case Study 2: Retrofit of a Surface Condenser of a Condensing Steam
Turbine 341
11.8 Conclusions 342
Nomenclature 343
Exercises 344
References 345
12 Design, Retrofit and Revamp of Industrial Water Networks using
Multi-objective Optimization Approach 347
Shivom Sharma and G.P. Rangaiah
12.1 Introduction 347
12.2 Mathematical Model of a Water Network 350
12.3 Water Network in a Petroleum Refinery 352
12.4 Multi-objective Optimization Problem Formulation 352
12.5 Results and Discussion 355
12.5.1 Water Network Design 355
12.5.2 Retrofitting Selected Water Networks for Change in Environmental
Regulations 358
12.5.3 Retrofitting Selected Water Networks for Increase in Hydrocarbon
Load 363
12.5.4 Revamping Selected Water Networks for Change in Environmental
Regulations 365
12.5.5 Revamping Selected Water Networks for Increase in Hydrocarbon Load
367
12.5.6 Comparison of Retrofitting and Revamping Solutions 369
12.6 Conclusions 369
Acknowledgement 370
Nomenclature 370
Exercises 371
References 372
13 Debottlenecking and Retrofitting of Chemical Pulp Refining Process for
Paper Manufacturing - Application from Industrial Perspective 375
Ajit K. Ghosh
13.1 Introduction 375
13.2 Fundamentals of Chemical Pulp Refining 376
13.2.1 Refining Effects on Various Chemical Pulp Types 377
13.2.2 Effects of Refining on Pulp and Paper Properties 378
13.3 Theories of Chemical Pulp Refining 380
13.3.1 Specific Edge Load Theory 381
13.3.2 Specific Surface Load Theory 382
13.3.3 Frequency and Intensity or Severity of Impact 382
13.3.4 The 'C' Factor 383
13.4 Types of Commercial Refiners 384
13.5 Laboratory and Pilot-scale Refining Investigation 384
13.6 Case Studies of Retrofitting Refining Process for Paper Mills 386
13.6.1 Case A: Retrofitting of Existing Refiners to Debottleneck Output of
a Modern Paper Machine 386
13.6.2 Case B: Retrofitting of Existing Refiners of a Paper Machine to
Switch from 'Flat' to 'Semi-extendable' Sack Kraft Papers 402
13.7 Conclusions 406
Exercises 407
References 408
Index 410