Chemical Process Structures and Information Flows

1st Edition - January 8, 1990
Imprint: Butterworth-Heinemann
Author: Richard S.H. Mah
Editors: Howard Brenner, Andreas Acrivos, James E. Bailey
Language: English
Paperback ISBN:
9 7 8 - 1 - 4 8 3 2 - 4 9 1 6 - 2
Hardback ISBN:
9 7 8 - 0 - 4 0 9 - 9 0 1 7 5 - 7
eBook ISBN:
9 7 8 - 1 - 4 8 3 2 - 7 8 3 3 - 9

Chemical Process Structures and Information Flows focuses on the role of computers in the understanding of chemical processes, including the use of simulation and optimization in… Read more

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Chemical Process Structures and Information Flows focuses on the role of computers in the understanding of chemical processes, including the use of simulation and optimization in computational problems. The book first underscores graphs and digraphs and pipeline networks. Discussions focus on cutsets and connectivity, directed graphs, trees and circuits, matrix representation of digraphs and graphs, reachability matrix, alternative problem formulations and specifications, and steady state conditions in cyclic networks. The manuscript also ponders on computation sequence in process flowsheet calculations and sparse matrix computation. The publication examines scheduling and design of batch plants, including scheduling of products and operations, characteristics of batch processes, branch and bound methods, and multipurpose batch plants. The text also elaborates on observability and redundancy and process data reconciliation and rectification. The manuscript is a valuable reference for chemical engineering students and readers interested in chemical processes and information flow.

Table of ContentsPreface 1. Introduction 1-1. Phenomenon-Oriented and System Oriented Viewpoints 1-2. The Whole Is More Than The Sum of Its Parts 1-3. Occurrence of Structural Problems 1-4. Information Flows in Process Design and Analysis 1-5. The Scope of this Book References Problems 2. Graphs and Digraphs 2-1. A Game with a Structure 2-2. Graph-Theoretic Entities 2-3. Trees and Circuits 2-4. Operations On Graphs 2-5. Cutsets and Connectivity 2-6. Directed Graphs 2-7. Matrix Representation Of Digraphs and Graphs 2-8. Reachability Matrix 2-9. Computational Considerations Notation References Problems3. Pipeline Networks 3-1. Optimal Design of Pressure Relief Piping Networks 3-1-1. Problem Formulation 3-1-2. Optimization With Nonlinear Programming Methods 3-1-3. The Discrete Merge Method 3-1-4. Computational Enhancements 3-1-5. Performance Evaluation 3-2. Steady State Conditions in Cyclic Networks 3-2-1. Problem Formulation 3-2-2. Operation Counts in Solving Linear Simultaneous Equations 3-2-3. Rowand Column Permutations 3-2-4. Minimal Length Cycle Set 3-3. Alternative Problem Formulations and Specifications 3-3-1. Alternative Problem Formulations 3-3-2. Admissible Specification Sets 3-4. Interactive Synthesis of DistributionNetworks 3-4-1. Problem Statement 3-4-2. Strategy of Interactive Synthesis 3-4-3. Implementation and Evaluation Notation References Problems4. Computation Sequence in Process Flowsheet Calculations 4-1. Introduction 4-2. Partmoning 4-2-1. Process Flowsheet and Precedence Ordering 4-2-2. Depth-First Search 4-3. Output Assignment 4-3-1. Computation Sequence in Solving Equations 4-3-2. Output Assignment Algorithms 4-3-3. Discussion 4-4. Tearing 4-4-1. Basic Concept 4-2. Tearing Algorithms 4-4-3. Numerical Considerations 4-5. Computer Programs Notation References Problems 5. Sparse Matrix Computation 5-1. Introduction 5-2. Solution of Linear Algebraic Equations 5-2-1. Gaussian Elimination 5-2-2. Gauss-Jordan Elimination 5-2-3. Elementary Matrices 5-2-4. Further Discussions 5-3. Pivoting Strategies 5-3-1. Numerical and Structural Considerations 5-3-2. Reordering Phase 5-3-3. Numerical Phase 5-4. Data Storage and Processing 5-4-1. Commonly Performed Operations 5-4-2. Linked Lists 5-4-3. Sparse Matrix Storage Νotation References Problems 6. Scheduling of Batch Plants 6-1. Characteristics of Batch Processes 6-2. Scheduling of Products and Operations 6-3. Simple Models 6-3-1. Single-Stage Parallel Units 6-3-2. Two Processors in Series 6-3-3. Three Processors in Series 6-3-4. Dominance Properties 6-4. Recurrence Relations and the MILP Approach 6-4-1. Recurrence Relations 6-4-2. MILP Approach 6-5. Branch and Bound Methods 6-5-1. Lower Bounds On Makespan 6-5-2. Dominance Properties 6-6. Heuristic Procedures 6-6-1. CDS Algorithm 6-6-2. RAES Algorithm 6-7. Other Models of Chemical Engineering Interest 6-7-1. ZW Flowshops 6-7-2. Multipurpose Plants and Precedence Constraints 6-8. Closing Remarks 6-9. Computer Program Notation References Problems 7. Design of Batch Plants 7-1. Multiproduct Batch Plants 7-1-1. Batch Equipment Sizing 7-1-2. Equipment Sizing For A Single Product 7-1-3. Network Synthesis 7-1-4. Extension To Multiple Products 7-1-5. Related Previous Investigations 7-2. Multipurpose Batch Plants 7-2-1. Problem Formulation 7-2-2. Alternative Formulations and Methods of Solution 7-3. Closing Remarks Notation References Problems8. Observability and Redundancy 8-1. Introduction 8-2. Multicomponent Process Networks 8-2-1. Problem Formulation 8-2-2. Classification Principles 8-2-3. Observability Classification 8-2-4. Redundancy Classification 8-3. Generalized Process Networks Notation References Problems 9. Process Data Reconciliation and Rectification 9-1. Steady State Reconciliation 9-1-1. Process Flow and Inventory Data 9-1-2. Linear Reconciliation: Formulation 9-1-3. Linear Reconciliation: Decomposition and Solution 9-1-4. Nonlinear Constraints 9-2-5. Generalized Likelihood Ratio Approach 9-2-6. Other Considerations 9-2. Gross Error Detection and Identification 9-2-1. Hypothesis Testing 9-2-2. Rank Relationship in Estimation 9-2-3. Gross Error Identification 9-2-4. Performance Evaluation Appendix A. Glossary On Batch Processes Appendix B. Elements of Probability and StatisticsCredits Index

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