A Real-Time Approach to Distillation Process Control

ISBN-13: 9781119669210 / Angielski / Twarda / 2023

Isuru A Udugama

Spis treści

Dedication D.1Preface P.iReferences P.iiiChapter 1: Introduction 1.11.1 The purpose of process control 1.11.1 Introduction to distillation 1.61.2 Distillation process control 1.91.3 A real-time approach to distillation process control education 1.10Chapter 2: Fundamentals of Distillation Control 2.12.1 Mass & Energy balance: The only means to affect distillation tower's behavior 2.32.2 Control design procedure 2.82.3 Degrees of freedom 2.92.4 Pairing 2.142.5 Gain analysis 2.202.6 Common control configuration 2.222.7 Screening Control Strategies via Steady-State Simulation 2.25Chapter 3: Control Hardware 3.13.1 Introduction 3.13.2 Control Hardware Overview 3.23.3 Sensors 3.33.4 Final Control Elements 3.153.5 Controllers/CPU 3.173.6 Modern Trends 3.22Chapter 4: Inventory Control 4.14.1 Pressure control 4.14.2 Level control 4.12Chapter 5: Distillation Composition Control 5.15.1 Temperature control 5.15.2 Actual composition control 5.105.3 More complex control configurations 5.135.4 Distillation control scheme design using steady state models 5.155.5 Performance Analysis using Steady-State Data for an Existing Distillation Tower 5.175.6 Distillation control scheme design using dynamic models 5.23Chapter 6: Refinery Versus Chemical Plant Distillation Operations 6.16.1 New Generation of Refinery Controls 6.66.2 Improving thermodynamic efficiency through control 6.116.3 Blending and its implications on control 6.12Chapter 7: Distillation Controller Tuning 7.17.1 Model identification: Step Testing 7.27.2 Typical process responses 7.57.3 Engineering Units versus Percent of Scale 7.67.4 Basics in PID Tuning 7.97.5 Tuning in distillation control 7.107.6 The role of tuning in a "value engineering" era 7.12Chapter 8: Fine and Specialty Chemicals Distillation Control 8.18.1 Key Features 8.18.2 Measurement and Control Challenges 8.28.3 Nuances of Fine Chemicals Distillation 8.68.4 Side Draw Distillation 8.128.5 Composition Control in High Purity Side Draw Distillation 8.148.6 Advanced Distillation Column Configurations 8.178.7 Petlyuk and Divided Wall Columns 8.188.8 Optimal Design versus Optimal Operations 8.21Chapter 9: Advanced Regulatory control 9.19.1 Introduction 9.19.2 Cascade Control 9.29.3 Ratio Control 9.89.4 Feedforward Control 9.129.4 Constraint/Override Control 9.159.5 Decoupling 9.17Chapter 10: Model predictive control 10.110.1 Introduction to MPC 10.110.2 To MPC or not to MPC 10.210.3 MPC Fundamentals 10.310.4 Dynamic Matrix Control (DMC) 10.710.5 Setting up a MPC in Distillation 10.1410.6 Digitalization and MPC10.20Chapter 11: Plant wide control in distillation 11.111.1 Distillation column trains 11.211.2 Heat integration (energy recycle) 11.511. 3 Materials Recycling 11.17Tutorial and Self-Study Questions 11.20References 11.22Workshop 1 -- Hands on Learning by Doing W1.1Course philosophy W1.1Key Learning Objectives W1.1Book Coverage W1.1Prerequisites W1.2Study Material W1.2Organization W1.3Simulation Tool W1.3Overall Learning Objectives W1.4Tasks W1.51 -- Get familiar with the simulator W1.52 -- Steady state tutorial W1.53 --Transitioning from steady state to dynamics tutorial W1.6Tutorial and Self-Study Questions W1.6Workshop 2 -- Fundamental Distillation Column Control W2.1Introduction W2.1Key Learning Objectives W2.1Tasks W2.11 -- Steady State W2.12 -- Converting to Dynamics W2.43 -- Dynamics Exercises W2.9Workshop 3 -- Distillation Column Model Predictive Control W3.1Introduction W3.1Key Learning Objectives W3.1Description W3.2Tasks W3.3Workshop 4 -- Distillation Column Control in a Plantwide Setting W4.1Introduction W4.1Key Learning Objectives W4.1Description W4.1Tasks W4.3References W4.7Appendix A -- P&ID Symbols A.1Index I.1

O autorze

Brent R. Young, PhD, is Full Professor of Food and Process Systems Engineering at The University of Auckland. He has over 30 years' postgraduate experience in academia and consulting in Australia, Canada, and New Zealand.Michael A. Taube is Principal Consultant with S&D Consulting, Inc. He has over 30 years' industrial experience working with clients including Alcoa, Aramco, BASF, CBI, ExxonMobil, and others.Isuru A. Udugama, PhD, is Senior Lecturer at the University of Waikato. He is also a process control consultant with S&D Consulting in New Zealand and the United States.