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CO2 capture using ionic liquid hybrid sorbent: physical and chemical adsorption-desorption study

A hybrid sorbent of ionic liquid immobilized silica could enhance the adsorption capacity of CO2 capture compared to ionic liquid itself. This study emphasizes the physical and chemical adsorption-desorption study using 1-butil-3-methylimidazolium trifluoromethanesulfonate immobilized on silica, [bm...

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Main Authors: Tengku Azmi, Tengku Sharifah Marliza, Lahuri, Azizul Hakim, Taufiq-Yap, Yun Hin
Format: Article
Published: Elsevier 2022
Subjects:
Chemical compound
Agriculture - Research
Online Access:http://psasir.upm.edu.my/id/eprint/106344/
https://www.sciencedirect.com/science/article/abs/pii/S2214785322018181
https://doi.org/10.1016/j.matpr.2022.03.471
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spelling my.upm.eprints.1063442024-04-16T07:03:48Z http://psasir.upm.edu.my/id/eprint/106344/ CO2 capture using ionic liquid hybrid sorbent: physical and chemical adsorption-desorption study Tengku Azmi, Tengku Sharifah Marliza Lahuri, Azizul Hakim Taufiq-Yap, Yun Hin A hybrid sorbent of ionic liquid immobilized silica could enhance the adsorption capacity of CO2 capture compared to ionic liquid itself. This study emphasizes the physical and chemical adsorption-desorption study using 1-butil-3-methylimidazolium trifluoromethanesulfonate immobilized on silica, [bmim][CF3SO3]/SiO2. Different loading (1–10% mol/mol) of [bmim][CF3SO3] on silica were synthesized using sol-gel method. This work shows the most efficient adsorbent of 1%[bmim][CF3SO3]/SiO2 exhibits an adsorption capacity of 73.88 mg CO2/g. CO2 capture is dependent on the physical and chemical properties of the [bmim][CF3SO3]/SiO2 hybrid sorbent system. The studied shows the physical adsorption of CO2 is controlled by the porous nature of the sorbent. The formation of micro-partial pores on 1%[bmim][CF3SO3]/SiO2 is a major factor that contribute the higher physical adsorption capacity of CO2. Meanwhile, chemical properties i.e the base strength of the sorbent was found to affect the chemical adsorption-desorption of CO2. The presence of anions which consist of fluroalkyl functional group enhanced the capacity adsorption of CO2. There is a mixture between CO2 and CO was found during the chemical desorption process which indicates the occurrence of CO2 released and decomposition of [bmim][CF3SO3] at medium range temperature of 450–500 °C due to the Boudouard reaction. The sorbents used in this work were characterized using BET method, FTIR, and FESEM. Elsevier 2022 Article PeerReviewed Tengku Azmi, Tengku Sharifah Marliza and Lahuri, Azizul Hakim and Taufiq-Yap, Yun Hin (2022) CO2 capture using ionic liquid hybrid sorbent: physical and chemical adsorption-desorption study. Materials today : proceedings, 64. pp. 20-26. ISSN 2214-7853 https://www.sciencedirect.com/science/article/abs/pii/S2214785322018181 Chemical compound Agriculture - Research https://doi.org/10.1016/j.matpr.2022.03.471
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
topic Chemical compound
Agriculture - Research
spellingShingle Chemical compound
Agriculture - Research
Tengku Azmi, Tengku Sharifah Marliza
Lahuri, Azizul Hakim
Taufiq-Yap, Yun Hin
CO2 capture using ionic liquid hybrid sorbent: physical and chemical adsorption-desorption study
description A hybrid sorbent of ionic liquid immobilized silica could enhance the adsorption capacity of CO2 capture compared to ionic liquid itself. This study emphasizes the physical and chemical adsorption-desorption study using 1-butil-3-methylimidazolium trifluoromethanesulfonate immobilized on silica, [bmim][CF3SO3]/SiO2. Different loading (1–10% mol/mol) of [bmim][CF3SO3] on silica were synthesized using sol-gel method. This work shows the most efficient adsorbent of 1%[bmim][CF3SO3]/SiO2 exhibits an adsorption capacity of 73.88 mg CO2/g. CO2 capture is dependent on the physical and chemical properties of the [bmim][CF3SO3]/SiO2 hybrid sorbent system. The studied shows the physical adsorption of CO2 is controlled by the porous nature of the sorbent. The formation of micro-partial pores on 1%[bmim][CF3SO3]/SiO2 is a major factor that contribute the higher physical adsorption capacity of CO2. Meanwhile, chemical properties i.e the base strength of the sorbent was found to affect the chemical adsorption-desorption of CO2. The presence of anions which consist of fluroalkyl functional group enhanced the capacity adsorption of CO2. There is a mixture between CO2 and CO was found during the chemical desorption process which indicates the occurrence of CO2 released and decomposition of [bmim][CF3SO3] at medium range temperature of 450–500 °C due to the Boudouard reaction. The sorbents used in this work were characterized using BET method, FTIR, and FESEM.
format Article
author Tengku Azmi, Tengku Sharifah Marliza
Lahuri, Azizul Hakim
Taufiq-Yap, Yun Hin
author_facet Tengku Azmi, Tengku Sharifah Marliza
Lahuri, Azizul Hakim
Taufiq-Yap, Yun Hin
author_sort Tengku Azmi, Tengku Sharifah Marliza
title CO2 capture using ionic liquid hybrid sorbent: physical and chemical adsorption-desorption study
title_short CO2 capture using ionic liquid hybrid sorbent: physical and chemical adsorption-desorption study
title_full CO2 capture using ionic liquid hybrid sorbent: physical and chemical adsorption-desorption study
title_fullStr CO2 capture using ionic liquid hybrid sorbent: physical and chemical adsorption-desorption study
title_full_unstemmed CO2 capture using ionic liquid hybrid sorbent: physical and chemical adsorption-desorption study
title_sort co2 capture using ionic liquid hybrid sorbent: physical and chemical adsorption-desorption study
publisher Elsevier
publishDate 2022
url http://psasir.upm.edu.my/id/eprint/106344/
https://www.sciencedirect.com/science/article/abs/pii/S2214785322018181
https://doi.org/10.1016/j.matpr.2022.03.471
_version_ 1797911369041838080
score 13.211869

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