Energy Optimization in Process Systems

Stanislaw Sieniutycz · Jacek Jezowski

maj 2009 · Elsevier

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Despite the vast research on energy optimization and process integration, there has to date been no synthesis linking these together. This book fills the gap, presenting optimization and integration in energy and process engineering. The content is based on the current literature and includes novel approaches developed by the authors. Various thermal and chemical systems (heat and mass exchangers, thermal and water networks, energy converters, recovery units, solar collectors, and separators) are considered. Thermodynamics, kinetics and economics are used to formulate and solve problems with constraints on process rates, equipment size, environmental parameters, and costs. Comprehensive coverage of dynamic optimization of energy conversion systems and separation units is provided along with suitable computational algorithms for deterministic and stochastic optimization approaches based on: nonlinear programming, dynamic programming, variational calculus, Hamilton-Jacobi-Bellman theory, Pontryagin's maximum principles, and special methods of process integration. Integration of heat energy and process water within a total site is shown to be a significant factor reducing production costs, in particular costs of utilities for the chemical industry. This integration involves systematic design and optimization of heat exchangers and water networks (HEN and WN). After presenting basic, insight-based Pinch Technology, systematic, optimization-based sequential and simultaneous approaches to design HEN and WN are described. Special consideration is given to the HEN design problem targeting stage, in view of its importance at various levels of system design. Selected, advanced methods for HEN synthesis and retrofit are presented. For WN design a novel approach based on stochastic optimization is described that accounts for both grassroot and revamp design scenarios. - Presents a unique synthesis of energy optimization and process integration that applies scientific information from thermodynamics, kinetics, and systems theory - Discusses engineering applications including power generation, resource upgrading, radiation conversion and chemical transformation, in static and dynamic systems - Clarifies how to identify thermal and chemical constraints and incorporate them into optimization models and solutions

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Stanislaw Sieniutycz is a former member of the Committee of Engineering at the Polish Academy of Sciences and also a professor of chemical engineering at the Warsaw University of Technology, Poland. His research focuses on problems of chemical, environmental, ecological, and biomechanical engineering with emphasis on analysis, control, and optimization of these systems. He is a former member of the Editorial Board of Open System and Information Dynamics and an honorary editor of the Journal of Non-Equilibrium Thermodynamics. He has served as an associate editor of Advances in Thermodynamics Series and Energy & Conversion Management. He has published 12 books, 250 articles, and 152 conference papers. He has been a visiting professor at the University of Budapest, University of Bern, University of San Diego, University of Delaware, and University of Chicago.