An alternative disjunctive optimization model for heat integration with variable temperatures

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Title: An alternative disjunctive optimization model for heat integration with variable temperatures
Authors: Navarro Amorós, Miguel Ángel | Caballero, José A. | Ruiz-Femenia, Rubén | Grossmann, Ignacio E.
Research Group/s: Computer Optimization of Chemical Engineering Processes and Technologies (CONCEPT)
Center, Department or Service: Universidad de Alicante. Departamento de Ingeniería Química
Keywords: Heat integration | Disjunctive model | MILP | MINLP | Logic disjunctions
Knowledge Area: Ingeniería Química
Issue Date: 13-Sep-2013
Publisher: Elsevier
Citation: Computers & Chemical Engineering. 2013, 56: 12-26. doi:10.1016/j.compchemeng.2013.05.002
Abstract: This paper presents an alternative model to deal with the problem of optimal energy consumption minimization of non-isothermal systems with variable inlet and outlet temperatures. The model is based on an implicit temperature ordering and the “transshipment model” proposed by Papoulias and Grossmann (1983). It is supplemented with a set of logical relationships related to the relative position of the inlet temperatures of process streams and the dynamic temperature intervals. In the extreme situation of fixed inlet and outlet temperatures, the model reduces to the “transshipment model”. Several examples with fixed and variable temperatures are presented to illustrate the model's performance.
Sponsor: The authors gratefully acknowledge financial support from the Spanish “Ministerio de Ciencia e Innovación” under project CTQ2012-37039-C02-02.
ISSN: 0098-1354 (Print) | 1873-4375 (Online)
DOI: 10.1016/j.compchemeng.2013.05.002
Language: eng
Type: info:eu-repo/semantics/article
Peer Review: si
Publisher version:
Appears in Collections:INV - CONCEPT - Artículos de Revistas

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