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Comparison of Mass Transfer Models on Rate-Based Simulations of CO2 Absorption and Desorption Processes
Mälardalen University, School of Business, Society and Engineering, Future Energy Center.ORCID iD: 0000-0001-7328-1024
Mälardalen University, School of Business, Society and Engineering, Future Energy Center.ORCID iD: 0000-0002-8034-4043
Royal Institute of Technology, Sweden.
Mälardalen University, School of Business, Society and Engineering, Future Energy Center.ORCID iD: 0000-0002-6279-4446
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2017 (English)Conference paper, Poster (with or without abstract) (Refereed)
Abstract [en]

One of the keys available options for the large scale carbon capture and storage is the solvent-based post-combustion capture. Due to the high reactivity between CO2 and aqueous amine solutions, chemical absorption is suitable for capturing the CO2 at low concentration such as from the flue gas. From techno-economic analyses of the CO2 chemical absorption plant, absorber and desorber columns are the main cost of the purchased equipment. Since the process involves complex reactive separations, the accurate calculation of hydrodynamic properties, mass and energy transfer are of importance for the design of the columns. Several studies have been done on the impact of different process and property models on the equilibrium and rate-based simulation of the absorption site. However, the impact study of process and property models on the desorption site are still lacking. This paper performs rate-based simulations of CO2 absorption by Monoethanolamine. The software Aspen Plus was used for the simulations. Different mass transfer models were implemented for the mass transfer calculation in gas and liquid phases. The temperature and concentration profiles along the columns are reported and discussed.

Place, publisher, year, edition, pages
2017.
National Category
Engineering and Technology Chemical Process Engineering
Research subject
Biotechnology/Chemical Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-36234OAI: oai:DiVA.org:mdh-36234DiVA: diva2:1131664
Conference
International Conference on Applied Energy - ICAE, 2017
Available from: 2017-08-15 Created: 2017-08-15 Last updated: 2017-08-24Bibliographically approved

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Nookuea, WorradaZambrano, JesusLi, HailongThorin, EvaYan, Jinyue
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