Fariborz Shaahmadi, Katia Piscina, Sotirios Efstathios Antonoudis, Qingdian Shu, Sara Vallejo Castaño, Grigorios Itskos, Konstantinos Atsonios, Susana Garcia and Mijndert van der Spek*,
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Integrated Modeling Approach for Electrochemical Regeneration of Alkaline CO2 Capture Solvents
This work introduces a model for electrochemical CO2 capture and solvent regeneration integrated with an Aspen Plus flowsheet. The model is built in Aspen Custom Modeler and designed to seamlessly integrate with ASPEN Plus software, allowing for comprehensive simulation of the CO2 capture process using an electrochemical cell to regenerate the solvent. The model includes detailed descriptions of the mass and energy balances in the electrochemical stack compartments, mass transport over the ion exchange membrane, and potential losses through the stack. The validity of the model was assessed against laboratory measurements. The model was exemplified by modeling a CO2 capture pilot plant for three different flue gases, from cement, magnesite, and gas-fired CHP production. The results of the integrated absorber-electrochemical system reveal key trade-offs among CO2 capture efficiency, energy consumption, and throughput, highlighting the performance differences across the three case studies.
期刊介绍:
ndustrial & Engineering Chemistry, with variations in title and format, has been published since 1909 by the American Chemical Society. Industrial & Engineering Chemistry Research is a weekly publication that reports industrial and academic research in the broad fields of applied chemistry and chemical engineering with special focus on fundamentals, processes, and products.