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23rd European Symposium on Computer Aided Process Engineering

Author:

Publisher: Elsevier

Published: 2013-06-10

Total Pages: 1085

ISBN-13: 0444632417

Computer-aided process engineering (CAPE) plays a key design and operations role in the process industries, from the molecular scale through managing complex manufacturing sites. The research interests cover a wide range of interdisciplinary problems related to the current needs of society and industry. ESCAPE 23 brings together researchers and practitioners of computer-aided process engineering interested in modeling, simulation and optimization, synthesis and design, automation and control, and education. The proceedings present and evaluate emerging as well as established research methods and concepts, as well as industrial case studies. Contributions from the international community using computer-based methods in process engineering Reviews the latest developments in process systems engineering Emphasis on industrial and societal challenges

16th European Symposium on Computer Aided Process Engineering and 9th International Symposium on Process Systems Engineering

Author: Wolfgang Marquardt

Publisher: Elsevier Science

Published: 2006-09-08

Total Pages: 2318

ISBN-13: 9780444529695

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This proceedings book contains the papers presented at the joint conference event of the 9th Symposium on Process Systems Engineering (PSE'2006) and the 16th European Symposium on Computer Aided Process Engineering (ESCAPE-16), held in Garmisch-Partenkirchen, Germany, from July 9 - July 13, 2006. The symposium follows the first joint event PSE'97 / ESCAPE-7 in Trondheim, Norway (1997). The last two venues of the ESCAPE symposia were Barcelona, Spain (2005) and Lisbon, Portugal (2004) and the most recent PSE symposia were held in Kunming, China (2003) and Keystone, Colorado, USA (2000). The purpose of both series is to bring together the international community of researchers engineers who are interested in computing-based methods in process engineering. The main objective of the symposium is to review and present the latest developments and current state in Process Systems Engineering and Computer Aided Process Engineering. The focus of PSE'2006 / ESCAPE-16 has been on Modelling and Numerical Methods, Product and Process Design, Operations and Control, Biological Systems, Infrastructure Systems, and Business decision support. * reviews and presents the latest developments and current state of Process Systems Engineering and Computer Aided Process Engineering * contains papers presented at a joint conference event * bringing together an international community of researchers and engineers interested in computing-based methods in Process Engineering

23 European Symposium on Computer Aided Process Engineering

Author: Manuel Rodríguez

Publisher: Elsevier Inc. Chapters

Published: 2013-06-10

Total Pages: 16

ISBN-13: 0128086491

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Control systems faults in a process plant means that its goals cannot be achieved. This situation leads to alarms firing, emergency shutdown or even accidents. In order to avoid these consequences an analysis of both the process and the control system must be performed. However, the complexity of both systems together with their interactions makes this analysis a hard task. The D-higraph functional modeling methodology is presented, this technique integrates functional and structural information of the plant. In this paper D-higraphs is used to reconfigure the control system of a process plant under faulty situations, which means improving system's robustness and autonomy.

21st European Symposium on Computer Aided Process Engineering

Author: E. N. Pistikopoulos

Publisher: Elsevier

Published: 2011-07-21

Total Pages: 2087

ISBN-13: 044453895X

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The European Symposium on Computer Aided Process Engineering (ESCAPE) series presents the latest innovations and achievements of leading professionals from the industrial and academic communities. The ESCAPE series serves as a forum for engineers, scientists, researchers, managers and students to present and discuss progress being made in the area of computer aided process engineering (CAPE). European industries large and small are bringing innovations into our lives, whether in the form of new technologies to address environmental problems, new products to make our homes more comfortable and energy efficient or new therapies to improve the health and well being of European citizens. Moreover, the European Industry needs to undertake research and technological initiatives in response to humanity's "Grand Challenges," described in the declaration of Lund, namely, Global Warming, Tightening Supplies of Energy, Water and Food, Ageing Societies, Public Health, Pandemics and Security. Thus, the Technical Theme of ESCAPE 21 will be "Process Systems Approaches for Addressing Grand Challenges in Energy, Environment, Health, Bioprocessing & Nanotechnologies."

23 European Symposium on Computer Aided Process Engineering

Author: Afshin Sadrieh

Publisher: Elsevier Inc. Chapters

Published: 2013-06-10

Total Pages: 15

ISBN-13: 0128086084

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This study seeks to pave the way of designing and implementing a Domain-Specific Language (DSL) for controllability analysis of a chemical process design. Chemical processes are nonlinear continuous/discrete dynamic systems that are subject to considerable uncertainties and variations during their design and operation. These systems are designed to operate at an economically optimal steady-state. However, changing the value of the process parameters may cause deviations and elicit dynamic responses from processes. Generally, the ability of holding a process within a specified operating regime is called controllability. In this study a Petri net based DSL is designed specifically for controllability evaluation of process designs with an application to a flowsheet case study.

23 European Symposium on Computer Aided Process Engineering

Author: N. Meneghetti

Publisher: Elsevier Inc. Chapters

Published: 2013-06-10

Total Pages: 17

ISBN-13: 0128085843

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Product transfer is a problem commonly encountered in industry when a production has to be transferred from a source plant to a target plant. In this paper a strategy to assist product transfer is proposed. The strategy is based on latent variable models (LVMs) to relate the data available from one or more source plants with the (usually scarce) data available from the target plant, and on LVM inversion to estimate the target plant operating conditions. The inversion is performed within an optimization framework, which can handle constraints for both product quality variables and input variables. An experimental nanoparticle production process is used as a test bed to illustrate the benefits of the proposed strategy.

23 European Symposium on Computer Aided Process Engineering

Author: Mariano Martín

Publisher: Elsevier Inc. Chapters

Published: 2013-06-10

Total Pages: 17

ISBN-13: 0128086181

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In this work we present a mathematical optimization based methodology for simultaneous formulae and process design in the consumer product business applied to the case of laundry detergents. The design of a new detergent is formulated as a modified pooling problem including process, performance, processability and environmental constraints. This features add a number of nonlinearities related to the modeling of the different aspects of the process and customer acceptance. Furthermore, the problem becomes a multiobjective optimization problem, when environmental constraints are considered, that is solved using the e-constraint method with global optimization techniques to minimize of the environmental impact while minimizing the production cost for a couple of case studies. Finally, ingredients price uncertainty is also addressed using a scenario reduction technique.

23 European Symposium on Computer Aided Process Engineering

Author: Mkhokheli Ndlovu

Publisher: Elsevier Inc. Chapters

Published: 2013-06-10

Total Pages: 18

ISBN-13: 012808572X

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This contribution follows the earlier work by on the optimization of a comprehensive power plant utility system, a system consisting of a boiler and a cooling tower. Unlike previous research on the power plant utility system which had focused on the boiler and cooling water systems in a discrete manner, the authors presented a holistic method of analysis and treatment of the combined utility system. In this work further details of the nonlinear comprehensive system model are presented and the objective is maximizing the net revenue from operating the utility system, which is the difference between the total operating costs and the proceeds from the sale of electricity. The work has shown that up to 8 % increase in revenue is achieved when the process is optimized as a single utility system.

23 European Symposium on Computer Aided Process Engineering

Author: Sebastian Recker

Publisher: Elsevier Inc. Chapters

Published: 2013-06-10

Total Pages: 16

ISBN-13: 0128086696

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Reliable models for rate-based phenomena are the backbone of model-based process design. These models are often unknown in the early design phase and need to be determined from laboratory experiments. Although model-based experimental analysis and process design are often executed sequentially, the kinetic models might not be suitable to reliably design a process. In this paper, we address this problem and present a first step on the integration of model identification and process optimization. Rather than decoupling model identification and process optimization, we use information from process optimization to design optimal experiments for improving the quality of the kinetic model given the intended use of the model. Sensitivities, which describe the influence of parametric uncertainties on the economic objective used in process optimization, are used as weights for optimal experimental design. This way, the confidence in the parameter values is maximized to reduce their influence on the process optimization objective. This first step on the integration of model identification and process optimization improves the predictive quality of a reaction kinetic model for process design without any further experimental effort.

23 European Symposium on Computer Aided Process Engineering

Author: Alberto Quaglia

Publisher: Elsevier Inc. Chapters

Published: 2013-06-10

Total Pages: 18

ISBN-13: 0128086092

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The formulation of Enterprise-Wide Optimization (EWO) problems as mixed integer nonlinear programming requires collecting, consolidating and systematizing large amount of data, coming from different sources and specific to different disciplines. In this manuscript, a generic and flexible data structure for efficient formulation of enterprise-wide optimization problems is presented. Through the integration of the described data structure in our synthesis and design framework, the problem formulation workflow is automated in a software tool, reducing time and resources needed to formulate large problems, while ensuring at the same time data consistency and quality at the application stage.