Intensification of CO2 absorption using MDEA-based nanofluid in a hollow fibre membrane contactor

Abstract Porous hollow fibres made of polyvinylidene fluoride were employed as membrane contactor for carbon dioxide (CO2) absorption in a gas–liquid mode with methyldiethanolamine (MDEA) based nanofluid absorbent. Both theoretical and experimental works were carried out in which a mechanistic model...

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Autores principales:	Yan Cao, Zia Ur Rehman, Nayef Ghasem, Mohamed Al-Marzouqi, Nadia Abdullatif, Ali Taghvaie Nakhjiri, Mahdi Ghadiri, Mashallah Rezakazemi, Azam Marjani, Mahboubeh Pishnamazi, Saeed Shirazian
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/058ca3fbfb444ef2a33f15909a9b7ce9
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spelling	oai:doaj.org-article:058ca3fbfb444ef2a33f15909a9b7ce92021-12-02T13:57:58ZIntensification of CO2 absorption using MDEA-based nanofluid in a hollow fibre membrane contactor10.1038/s41598-021-82304-22045-2322https://doaj.org/article/058ca3fbfb444ef2a33f15909a9b7ce92021-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-82304-2https://doaj.org/toc/2045-2322Abstract Porous hollow fibres made of polyvinylidene fluoride were employed as membrane contactor for carbon dioxide (CO2) absorption in a gas–liquid mode with methyldiethanolamine (MDEA) based nanofluid absorbent. Both theoretical and experimental works were carried out in which a mechanistic model was developed that considers the mass transfer of components in all subdomains of the contactor module. Also, the model considers convectional mass transfer in shell and tube subdomains with the chemical reaction as well as Grazing and Brownian motion of nanoparticles effects. The predicted outputs of the developed model and simulations showed that the dispersion of CNT nanoparticles to MDEA-based solvent improves CO2 capture percentage compared to the pure solvent. In addition, the efficiency of CO2 capture for MDEA-based nanofluid was increased with rising MDEA content, liquid flow rate and membrane porosity. On the other hand, the enhancement of gas velocity and the membrane tortuosity led to reduced CO2 capture efficiency in the module. Moreover, it was revealed that the CNT nanoparticles effect on CO2 removal is higher in the presence of lower MDEA concentration (5%) in the solvent. The model was validated by comparing with the experimental data, and great agreement was obtained.Yan CaoZia Ur RehmanNayef GhasemMohamed Al-MarzouqiNadia AbdullatifAli Taghvaie NakhjiriMahdi GhadiriMashallah RezakazemiAzam MarjaniMahboubeh PishnamaziSaeed ShirazianNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Yan Cao Zia Ur Rehman Nayef Ghasem Mohamed Al-Marzouqi Nadia Abdullatif Ali Taghvaie Nakhjiri Mahdi Ghadiri Mashallah Rezakazemi Azam Marjani Mahboubeh Pishnamazi Saeed Shirazian Intensification of CO2 absorption using MDEA-based nanofluid in a hollow fibre membrane contactor
description	Abstract Porous hollow fibres made of polyvinylidene fluoride were employed as membrane contactor for carbon dioxide (CO2) absorption in a gas–liquid mode with methyldiethanolamine (MDEA) based nanofluid absorbent. Both theoretical and experimental works were carried out in which a mechanistic model was developed that considers the mass transfer of components in all subdomains of the contactor module. Also, the model considers convectional mass transfer in shell and tube subdomains with the chemical reaction as well as Grazing and Brownian motion of nanoparticles effects. The predicted outputs of the developed model and simulations showed that the dispersion of CNT nanoparticles to MDEA-based solvent improves CO2 capture percentage compared to the pure solvent. In addition, the efficiency of CO2 capture for MDEA-based nanofluid was increased with rising MDEA content, liquid flow rate and membrane porosity. On the other hand, the enhancement of gas velocity and the membrane tortuosity led to reduced CO2 capture efficiency in the module. Moreover, it was revealed that the CNT nanoparticles effect on CO2 removal is higher in the presence of lower MDEA concentration (5%) in the solvent. The model was validated by comparing with the experimental data, and great agreement was obtained.
format	article
author	Yan Cao Zia Ur Rehman Nayef Ghasem Mohamed Al-Marzouqi Nadia Abdullatif Ali Taghvaie Nakhjiri Mahdi Ghadiri Mashallah Rezakazemi Azam Marjani Mahboubeh Pishnamazi Saeed Shirazian
author_facet	Yan Cao Zia Ur Rehman Nayef Ghasem Mohamed Al-Marzouqi Nadia Abdullatif Ali Taghvaie Nakhjiri Mahdi Ghadiri Mashallah Rezakazemi Azam Marjani Mahboubeh Pishnamazi Saeed Shirazian
author_sort	Yan Cao
title	Intensification of CO2 absorption using MDEA-based nanofluid in a hollow fibre membrane contactor
title_short	Intensification of CO2 absorption using MDEA-based nanofluid in a hollow fibre membrane contactor
title_full	Intensification of CO2 absorption using MDEA-based nanofluid in a hollow fibre membrane contactor
title_fullStr	Intensification of CO2 absorption using MDEA-based nanofluid in a hollow fibre membrane contactor
title_full_unstemmed	Intensification of CO2 absorption using MDEA-based nanofluid in a hollow fibre membrane contactor
title_sort	intensification of co2 absorption using mdea-based nanofluid in a hollow fibre membrane contactor
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/058ca3fbfb444ef2a33f15909a9b7ce9
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Intensification of CO2 absorption using MDEA-based nanofluid in a hollow fibre membrane contactor

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