Modeling and Parametric Investigation of Rotating Packed Bed Processes for CO2 Capture and Mineralisation

Rotating Packed Beds (RPB) are receiving increased attention in CO2 capture, due to their considerably lower volume compared to conventional packed-beds and their beneficial effects on process capital costs. As a result of these advantages, RPB have also been considered as a CO2 mineralisation optio...

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Autores principales:	Marianthi Dimoliani, Athanasios I. Papadopoulos, Panos Seferlis
Formato:	article
Lenguaje:	EN
Publicado:	AIDIC Servizi S.r.l. 2021
Materias:	Chemical engineering TP155-156 Computer engineering. Computer hardware TK7885-7895
Acceso en línea:	https://doaj.org/article/7460ba5a1aa546a2a77babcf4c276fd4
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spelling	oai:doaj.org-article:7460ba5a1aa546a2a77babcf4c276fd42021-11-15T21:48:51ZModeling and Parametric Investigation of Rotating Packed Bed Processes for CO2 Capture and Mineralisation10.3303/CET21880312283-9216https://doaj.org/article/7460ba5a1aa546a2a77babcf4c276fd42021-11-01T00:00:00Zhttps://www.cetjournal.it/index.php/cet/article/view/11824https://doaj.org/toc/2283-9216Rotating Packed Beds (RPB) are receiving increased attention in CO2 capture, due to their considerably lower volume compared to conventional packed-beds and their beneficial effects on process capital costs. As a result of these advantages, RPB have also been considered as a CO2 mineralisation option for the production of precipitated calcium carbonate (PCC). In the area of CO2 capture, the few model-based investigations employ either the two-film or Higbie’s penetration theory to model the gas-liquid mass transfer as the main driving force of the systems’ operation. In the area of PCC production, there is only one model type available that is based on the two-film theory. While the latter includes the limiting assumption of linear and steady-state mass transfer within the liquid film, Higbie’s theory is considerably closer to realistic operation due to the assumption of time-dependent and non-linear, gas-to-liquid mass transfer. Considering this significant advantage, this work proposes for the first time a model for RPB-based, PCC production using Higbie’s penetration theory. The model is first developed and validated considering solvent-based CO2 capture with monoethanolamine (MEA) solvent, taking advantage of the available experimental data in published literature. The model is then adapted to PCC production to perform a parametric investigation based on various performance indicators. Results indicate that the proposed model enables improved accuracy compared to the two film theory. Higher rotation speeds and liquid flowrates enable improved mass transfer, whereas PCC production can be achieved at lower energy consumption simultaneously with high CO2 capture efficiency.Marianthi DimolianiAthanasios I. PapadopoulosPanos SeferlisAIDIC Servizi S.r.l.articleChemical engineeringTP155-156Computer engineering. Computer hardwareTK7885-7895ENChemical Engineering Transactions, Vol 88 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Chemical engineering TP155-156 Computer engineering. Computer hardware TK7885-7895
spellingShingle	Chemical engineering TP155-156 Computer engineering. Computer hardware TK7885-7895 Marianthi Dimoliani Athanasios I. Papadopoulos Panos Seferlis Modeling and Parametric Investigation of Rotating Packed Bed Processes for CO2 Capture and Mineralisation
description	Rotating Packed Beds (RPB) are receiving increased attention in CO2 capture, due to their considerably lower volume compared to conventional packed-beds and their beneficial effects on process capital costs. As a result of these advantages, RPB have also been considered as a CO2 mineralisation option for the production of precipitated calcium carbonate (PCC). In the area of CO2 capture, the few model-based investigations employ either the two-film or Higbie’s penetration theory to model the gas-liquid mass transfer as the main driving force of the systems’ operation. In the area of PCC production, there is only one model type available that is based on the two-film theory. While the latter includes the limiting assumption of linear and steady-state mass transfer within the liquid film, Higbie’s theory is considerably closer to realistic operation due to the assumption of time-dependent and non-linear, gas-to-liquid mass transfer. Considering this significant advantage, this work proposes for the first time a model for RPB-based, PCC production using Higbie’s penetration theory. The model is first developed and validated considering solvent-based CO2 capture with monoethanolamine (MEA) solvent, taking advantage of the available experimental data in published literature. The model is then adapted to PCC production to perform a parametric investigation based on various performance indicators. Results indicate that the proposed model enables improved accuracy compared to the two film theory. Higher rotation speeds and liquid flowrates enable improved mass transfer, whereas PCC production can be achieved at lower energy consumption simultaneously with high CO2 capture efficiency.
format	article
author	Marianthi Dimoliani Athanasios I. Papadopoulos Panos Seferlis
author_facet	Marianthi Dimoliani Athanasios I. Papadopoulos Panos Seferlis
author_sort	Marianthi Dimoliani
title	Modeling and Parametric Investigation of Rotating Packed Bed Processes for CO2 Capture and Mineralisation
title_short	Modeling and Parametric Investigation of Rotating Packed Bed Processes for CO2 Capture and Mineralisation
title_full	Modeling and Parametric Investigation of Rotating Packed Bed Processes for CO2 Capture and Mineralisation
title_fullStr	Modeling and Parametric Investigation of Rotating Packed Bed Processes for CO2 Capture and Mineralisation
title_full_unstemmed	Modeling and Parametric Investigation of Rotating Packed Bed Processes for CO2 Capture and Mineralisation
title_sort	modeling and parametric investigation of rotating packed bed processes for co2 capture and mineralisation
publisher	AIDIC Servizi S.r.l.
publishDate	2021
url	https://doaj.org/article/7460ba5a1aa546a2a77babcf4c276fd4
work_keys_str_mv	AT marianthidimoliani modelingandparametricinvestigationofrotatingpackedbedprocessesforco2captureandmineralisation AT athanasiosipapadopoulos modelingandparametricinvestigationofrotatingpackedbedprocessesforco2captureandmineralisation AT panosseferlis modelingandparametricinvestigationofrotatingpackedbedprocessesforco2captureandmineralisation
_version_	1718426793585672192

Modeling and Parametric Investigation of Rotating Packed Bed Processes for CO2 Capture and Mineralisation

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