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Volume of Fluid Modeling of the Reactive Mass Transfer of CO2 Into Aqueous Amine Solutions in Structured Packed Elements at Micro-scale.

Sebastia Saez, D., Gu, S. and Ranganathan, P. (2014) Volume of Fluid Modeling of the Reactive Mass Transfer of CO2 Into Aqueous Amine Solutions in Structured Packed Elements at Micro-scale. Energy Procedia, 63. pp. 1229-1242.

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Abstract

This article presents a CFD model to describe the interfacial reactive mass transfer that takes place between a gas phase and a falling liquid film within a structured packing reactor. The simulations encompass the hydrodynamics, physical mass transfer and reaction kinetics. Regarding hydrodynamics, the liquid misdistribution phenomenon is represented and compared to experimental data found in the literature. Physical mass transfer is also implemented and an analysis of the influence of several parameters (e.g. amine concentration, gas pressure, gas velocity, flow configuration and contact angle) is carried out. Finally, the reactive mass transfer characteristics of the MEA-CO2 system are tested, showing the ability of the model to describe the values of the enhancement factor and the depletion of the solute in the bulk phase. The model is to be extended to meso-scale in the future to account for the performance of commercial structured packings.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Chemical and Process Engineering
Authors :
NameEmailORCID
Sebastia Saez, D.j.sebastiasaez@surrey.ac.uk
Gu, S.sai.gu@surrey.ac.uk
Ranganathan, P.
Date : 31 December 2014
Funders : UK Engineering and Physical SciencesResearch Council (EPSRC), FP7 Marie Curie iComFluid project
DOI : 10.1016/j.egypro.2014.11.133
Copyright Disclaimer : © 2014 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license
Uncontrolled Keywords : CO2 capture; CFD; Structured packings; Chemical absorption; VOF; Post-combustion.
Depositing User : Diane Maxfield
Date Deposited : 03 Jul 2019 15:33
Last Modified : 04 Jul 2019 09:10
URI: http://epubs.surrey.ac.uk/id/eprint/852201

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