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Ship-in-a-bottle synthesis of amine-functionalized ionic liquids in NaY zeolite for CO2 capture

Ship-in-a-bottle synthesis of amine-functionalized ionic liquids in NaY zeolite for CO2 capture
Ship-in-a-bottle synthesis of amine-functionalized ionic liquids in NaY zeolite for CO2 capture
CO2 capture on solid materials possesses significant advantages on the operation cost, process for large-scale CO2 capture and storage (CCS) that stimulates great interest in exploring high-performance solid CO2 adsorbents. A ship-in-a-bottle strategy was successfully developed to prepare the [APMIM]Br@NaY host–guest system in which an amine-functionalized ionic liquid (IL), 1-aminopropyl-3-methylimidazolium bromide ([APMIM]Br), was in-situ encapsulated in the NaY supercages. The genuine host-guest systems were thoroughly characterized and tested in CO2 capture from simulated flue gas. It was evidenced the encapsulated ILs are more stable than the bulk ILs. These host–guest systems exhibited superb overall CO2 capture capacity up to 4.94?mmol g?1 and the chemically adsorbed CO2 achieved 1.85?mmol g?1 depending on the [APMIM]Br loading amount. The chemisorbed CO2 can be desorbed rapidly by flushing with N2 gas at 50°C. The optimized [APMIM]Br@NaY system remains its original CO2 capture capacity in multiple cycling tests under prolonged harsh adsorption-desorption conditions. The excellent physicochemical properties and the CO2 capture performance of the host-guest systems offer them great promise for the future practice in the industrial CO2 capture.
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Yu, Yinghao
83ce57a8-fbd8-4c26-8ba0-039718b37bf1
Mai, Jingzhang
f5286b1d-3101-4a16-bd94-bac8820fa3b1
Wang, Lefu
98d36209-ee33-4c06-9c91-16ac3447f2b9
Li, Xuehui
7c7237ce-d488-4f1a-bbdf-7bcf66770f03
Jiang, Zheng
bcf19e78-f5c3-48e6-802b-fe77bd12deab
Wang, Furong
08648899-449a-4243-a58b-6aa3186b4926
Yu, Yinghao
83ce57a8-fbd8-4c26-8ba0-039718b37bf1
Mai, Jingzhang
f5286b1d-3101-4a16-bd94-bac8820fa3b1
Wang, Lefu
98d36209-ee33-4c06-9c91-16ac3447f2b9
Li, Xuehui
7c7237ce-d488-4f1a-bbdf-7bcf66770f03
Jiang, Zheng
bcf19e78-f5c3-48e6-802b-fe77bd12deab
Wang, Furong
08648899-449a-4243-a58b-6aa3186b4926

Yu, Yinghao, Mai, Jingzhang, Wang, Lefu, Li, Xuehui, Jiang, Zheng and Wang, Furong (2014) Ship-in-a-bottle synthesis of amine-functionalized ionic liquids in NaY zeolite for CO2 capture. Scientific Reports, 4, 1-8, [5997]. (doi:10.1038/srep05997).

Record type: Article

Abstract

CO2 capture on solid materials possesses significant advantages on the operation cost, process for large-scale CO2 capture and storage (CCS) that stimulates great interest in exploring high-performance solid CO2 adsorbents. A ship-in-a-bottle strategy was successfully developed to prepare the [APMIM]Br@NaY host–guest system in which an amine-functionalized ionic liquid (IL), 1-aminopropyl-3-methylimidazolium bromide ([APMIM]Br), was in-situ encapsulated in the NaY supercages. The genuine host-guest systems were thoroughly characterized and tested in CO2 capture from simulated flue gas. It was evidenced the encapsulated ILs are more stable than the bulk ILs. These host–guest systems exhibited superb overall CO2 capture capacity up to 4.94?mmol g?1 and the chemically adsorbed CO2 achieved 1.85?mmol g?1 depending on the [APMIM]Br loading amount. The chemisorbed CO2 can be desorbed rapidly by flushing with N2 gas at 50°C. The optimized [APMIM]Br@NaY system remains its original CO2 capture capacity in multiple cycling tests under prolonged harsh adsorption-desorption conditions. The excellent physicochemical properties and the CO2 capture performance of the host-guest systems offer them great promise for the future practice in the industrial CO2 capture.

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Accepted/In Press date: 16 July 2014
e-pub ahead of print date: 8 August 2014
Organisations: Faculty of Engineering and the Environment

Identifiers

Local EPrints ID: 367865
URI: http://eprints.soton.ac.uk/id/eprint/367865
PURE UUID: ae199183-7239-4c2b-bbfa-1b7cacda3aba
ORCID for Zheng Jiang: ORCID iD orcid.org/0000-0002-7972-6175

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Date deposited: 20 Aug 2014 10:28
Last modified: 17 Dec 2019 01:36

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