Eni Oko
Study of intercooling for rotating packed bed absorbers in intensified solvent-based CO2 capture process
Oko, Eni; Ramshaw, Colin; Wang, Meihong
Authors
Colin Ramshaw
Meihong Wang
Abstract
Rotating packed beds (RPBs) are a compact and potentially more cost-effective alternative to packed beds for application in solvent-based carbon capture process. However, with concentrated monoethanolamine (MEA) (up to 70–80 wt%) as the solvent, there is a question as to whether intercooler is needed for the RPB absorbers and how to design and operate them. This study indicates that the liquid phase temperature could rise significantly and this makes it essential for RPB absorber to have intercoolers. This is further assessed using a validated RPB absorber model implemented in gPROMS ModelBuilder® by evaluating the impact of temperature on absorption performance. Different design options for RPB absorber intercoolers (stationary vs rotary) were introduced and their potential sizes and associated pressure drop were evaluated based on a large scale flue gas benchmark of a 250 MWe Natural Gas Combined Cycle Power Plant. This paper addresses a fundamental question about intercooling in RPB absorber and introduces strategies for the intercooler design.
Citation
Oko, E., Ramshaw, C., & Wang, M. (2018). Study of intercooling for rotating packed bed absorbers in intensified solvent-based CO2 capture process. Applied energy, 223, 302-316. https://doi.org/10.1016/j.apenergy.2018.04.057
Journal Article Type | Article |
---|---|
Acceptance Date | Apr 26, 2018 |
Online Publication Date | May 1, 2018 |
Publication Date | Aug 1, 2018 |
Deposit Date | Feb 17, 2021 |
Journal | Applied Energy |
Print ISSN | 0306-2619 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 223 |
Pages | 302-316 |
DOI | https://doi.org/10.1016/j.apenergy.2018.04.057 |
Keywords | Solvent-based CO2 capture; Process intensification; Rotating packed bed; Absorber intercooling |
Public URL | https://hull-repository.worktribe.com/output/3322712 |
Related Public URLs | http://eprints.whiterose.ac.uk/132997/ |
Additional Information | This article is maintained by: Elsevier; Article Title: Study of intercooling for rotating packed bed absorbers in intensified solvent-based CO2 capture process; Journal Title: Applied Energy; CrossRef DOI link to publisher maintained version: https://doi.org/10.1016/j.apenergy.2018.04.057; Content Type: article; Copyright: © 2018 Elsevier Ltd. All rights reserved. |
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