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CO2 Capture Partner Molecules in Highly Loaded PEI Sorbents

Enrico Andreoli Orcid Logo, Andrew Barron Orcid Logo

The Journal of Physical Chemistry C, Volume: 121, Issue: 39, Pages: 21772 - 21781

Swansea University Authors: Enrico Andreoli Orcid Logo, Andrew Barron Orcid Logo

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DOI (Published version): 10.1021/acs.jpcc.7b07541

Abstract

Decoupling amine loading from diffusion resistance is one of the main challenges in the development of immobilised amines CO2 sorbents. Water has been reported to serve this goal alleviating CO2 diffusional hindrance in highly loaded amine sorbents. Acting as a mass transport facilitator, water is n...

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Published in: The Journal of Physical Chemistry C
ISSN: 1932-7447
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa35139
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first_indexed 2017-09-06T18:57:31Z
last_indexed 2021-01-15T03:54:57Z
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spelling 2021-01-14T12:54:25.8495027 v2 35139 2017-09-06 CO2 Capture Partner Molecules in Highly Loaded PEI Sorbents cbd843daab780bb55698a3daccd74df8 0000-0002-1207-2314 Enrico Andreoli Enrico Andreoli true false 92e452f20936d688d36f91c78574241d 0000-0002-2018-8288 Andrew Barron Andrew Barron true false 2017-09-06 CHEG Decoupling amine loading from diffusion resistance is one of the main challenges in the development of immobilised amines CO2 sorbents. Water has been reported to serve this goal alleviating CO2 diffusional hindrance in highly loaded amine sorbents. Acting as a mass transport facilitator, water is not the only partner molecule able to enhance bulk CO2 diffusion. Herein, we show that the enhancing effect of methanol is comparable to that of water in polyethyleneimine-based sorbents. Other molecules, such as ethanol, isopropanol, and chloroform, were also examined but did not appear to facilitate CO2 transport and uptake. Based on a comparison of the Hansen solubility parameters of these molecules, it appears that polarity plays a crucial role in enhancing CO2 diffusion together with molecular hindrance, and hydrogen bonding to a lesser extent. Journal Article The Journal of Physical Chemistry C 121 39 21772 21781 1932-7447 19 9 2017 2017-09-19 10.1021/acs.jpcc.7b07541 COLLEGE NANME Chemical Engineering COLLEGE CODE CHEG Swansea University 2021-01-14T12:54:25.8495027 2017-09-06T15:00:25.0858020 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Enrico Andreoli 0000-0002-1207-2314 1 Andrew Barron 0000-0002-2018-8288 2 0035139-06092017152724.pdf koutsianos2017v2.pdf 2017-09-06T15:27:24.6470000 Output 1395819 application/pdf Accepted Manuscript true 2017-09-04T00:00:00.0000000 true eng
title CO2 Capture Partner Molecules in Highly Loaded PEI Sorbents
spellingShingle CO2 Capture Partner Molecules in Highly Loaded PEI Sorbents
Enrico Andreoli
Andrew Barron
title_short CO2 Capture Partner Molecules in Highly Loaded PEI Sorbents
title_full CO2 Capture Partner Molecules in Highly Loaded PEI Sorbents
title_fullStr CO2 Capture Partner Molecules in Highly Loaded PEI Sorbents
title_full_unstemmed CO2 Capture Partner Molecules in Highly Loaded PEI Sorbents
title_sort CO2 Capture Partner Molecules in Highly Loaded PEI Sorbents
author_id_str_mv cbd843daab780bb55698a3daccd74df8
92e452f20936d688d36f91c78574241d
author_id_fullname_str_mv cbd843daab780bb55698a3daccd74df8_***_Enrico Andreoli
92e452f20936d688d36f91c78574241d_***_Andrew Barron
author Enrico Andreoli
Andrew Barron
author2 Enrico Andreoli
Andrew Barron
format Journal article
container_title The Journal of Physical Chemistry C
container_volume 121
container_issue 39
container_start_page 21772
publishDate 2017
institution Swansea University
issn 1932-7447
doi_str_mv 10.1021/acs.jpcc.7b07541
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Chemical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemical Engineering
document_store_str 1
active_str 0
description Decoupling amine loading from diffusion resistance is one of the main challenges in the development of immobilised amines CO2 sorbents. Water has been reported to serve this goal alleviating CO2 diffusional hindrance in highly loaded amine sorbents. Acting as a mass transport facilitator, water is not the only partner molecule able to enhance bulk CO2 diffusion. Herein, we show that the enhancing effect of methanol is comparable to that of water in polyethyleneimine-based sorbents. Other molecules, such as ethanol, isopropanol, and chloroform, were also examined but did not appear to facilitate CO2 transport and uptake. Based on a comparison of the Hansen solubility parameters of these molecules, it appears that polarity plays a crucial role in enhancing CO2 diffusion together with molecular hindrance, and hydrogen bonding to a lesser extent.
published_date 2017-09-19T03:43:37Z
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score 11.012678

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