Magnesium oxide-based adsorbents for carbon dioxide capture: Current progress and future opportunities
Adsorption technology has been introduced as one approach to reduce CO2 emissions into the Earth's atmosphere. MgO-based adsorbents are promising due to their abundant availability, wide temperature range, and tuneable physicochemical properties. Over the last decade, there has been a growing n...
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my.utm.959462022-07-01T04:40:14Z http://eprints.utm.my/id/eprint/95946/ Magnesium oxide-based adsorbents for carbon dioxide capture: Current progress and future opportunities Ruhaimi, A. H. Aziz, M. A. A. Jalil, A. A. TP Chemical technology Adsorption technology has been introduced as one approach to reduce CO2 emissions into the Earth's atmosphere. MgO-based adsorbents are promising due to their abundant availability, wide temperature range, and tuneable physicochemical properties. Over the last decade, there has been a growing number of MgO-based adsorbent studies using various improved approaches that have achieved high CO2 capture performance. For instance, modification using metal/non-metal hybrids and the introduction of promoters, such as alkali metal nitrate/carbonate, and amines to the MgO adsorbent have a significant impact toward enhancing the CO2 uptake capacity and performance stability. Therefore, it is important to provide the latest review on MgO-based adsorbents prepared via various modification strategies using promoters, such as alkali metal nitrate/carbonate (molten salt), amines, and metal oxides, and their relationship with the CO2 uptake performance. In this study, the adsorbent preparation method and CO2 adsorption mechanism are discussed, in which the ambient adsorption pressure conditions, which is typically related to the flue gas of the post-combustion working conditions, were emphasised. Several recommendations for future studies have also been proposed. Elsevier Ltd 2021 Article PeerReviewed Ruhaimi, A. H. and Aziz, M. A. A. and Jalil, A. A. (2021) Magnesium oxide-based adsorbents for carbon dioxide capture: Current progress and future opportunities. Journal of CO2 Utilization, 43 . p. 101357. ISSN 2212-9820 http://dx.doi.org/10.1016/j.jcou.2020.101357 |
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TP Chemical technology Ruhaimi, A. H. Aziz, M. A. A. Jalil, A. A. Magnesium oxide-based adsorbents for carbon dioxide capture: Current progress and future opportunities |
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Adsorption technology has been introduced as one approach to reduce CO2 emissions into the Earth's atmosphere. MgO-based adsorbents are promising due to their abundant availability, wide temperature range, and tuneable physicochemical properties. Over the last decade, there has been a growing number of MgO-based adsorbent studies using various improved approaches that have achieved high CO2 capture performance. For instance, modification using metal/non-metal hybrids and the introduction of promoters, such as alkali metal nitrate/carbonate, and amines to the MgO adsorbent have a significant impact toward enhancing the CO2 uptake capacity and performance stability. Therefore, it is important to provide the latest review on MgO-based adsorbents prepared via various modification strategies using promoters, such as alkali metal nitrate/carbonate (molten salt), amines, and metal oxides, and their relationship with the CO2 uptake performance. In this study, the adsorbent preparation method and CO2 adsorption mechanism are discussed, in which the ambient adsorption pressure conditions, which is typically related to the flue gas of the post-combustion working conditions, were emphasised. Several recommendations for future studies have also been proposed. |
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Article |
author |
Ruhaimi, A. H. Aziz, M. A. A. Jalil, A. A. |
author_facet |
Ruhaimi, A. H. Aziz, M. A. A. Jalil, A. A. |
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Ruhaimi, A. H. |
title |
Magnesium oxide-based adsorbents for carbon dioxide capture: Current progress and future opportunities |
title_short |
Magnesium oxide-based adsorbents for carbon dioxide capture: Current progress and future opportunities |
title_full |
Magnesium oxide-based adsorbents for carbon dioxide capture: Current progress and future opportunities |
title_fullStr |
Magnesium oxide-based adsorbents for carbon dioxide capture: Current progress and future opportunities |
title_full_unstemmed |
Magnesium oxide-based adsorbents for carbon dioxide capture: Current progress and future opportunities |
title_sort |
magnesium oxide-based adsorbents for carbon dioxide capture: current progress and future opportunities |
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Elsevier Ltd |
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2021 |
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http://eprints.utm.my/id/eprint/95946/ http://dx.doi.org/10.1016/j.jcou.2020.101357 |
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