Publisher DOI: 10.1016/j.compchemeng.2019.106520
Title: Efficient optimization-based design of energy-integrated distillation processes
Language: English
Authors: Waltermann, Thomas 
Skiborowski, Mirko 
Keywords: Conceptual design;Distillation;Dividing wall column;Energy-integration;Optimization;Vapor recompression
Issue Date: 4-Oct-2019
Source: Computers and Chemical Engineering (129): 106520 (2019-10-04)
Journal: Computers & chemical engineering 
Abstract (english): 
While providing only low thermodynamic efficiency, distillation is still the default option for the separation of liquid mixtures in the chemical industry. Fortunately, various concepts for energy integration have been proposed to improve the energy efficiency. Yet, the selection of the cost-optimal process among the potential alternatives is tedious, as the performance of the different options has to be evaluated for each specific separation. Thus, efficient means for rigorous design are required, that allow for a comparison of the competing alternatives. For this purpose, a computationally efficient method for a rigorous optimization-based design of various energy-integrated distillation sequences is proposed in the current article and demonstrated for 16 different process variants for the separation of a multicomponent mixture into three product streams. The application to three case studies, including the separation of ideal, non-ideal and azeotropic mixtures, demonstrates its computational efficiency and effectiveness in identifying economically attractive energy-integrated distillation processes.
URI: http://hdl.handle.net/11420/7928
ISSN: 0098-1354
Document Type: Article
Project: Entwicklung und Erprobung der integrierten Reaktion und Katalysatorabtrennung zur homogen katalysierten reduktiven Aminierung und Hydroaminomethylierung langkettiger Alkene in einer Miniplant (D03*) 
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