Innovative Strategy for Truly Reversible Capture of Polluting Gases—Application to Carbon Dioxide

This paper consists of a deep analysis and data comparison of the main strategies undertaken for achieving truly reversible capture of carbon dioxide involving optimized gas uptakes while affording weakest retention strength. So far, most strategies failed because the estimated amount of CO<sub&l...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Abdelkrim Azzouz [verfasserIn] René Roy [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	CO adsorbents amines polyols dendrimers zero-valent metals

Übergeordnetes Werk:	In: International Journal of Molecular Sciences - MDPI AG, 2003, 24(2023), 22, p 16463
Übergeordnetes Werk:	volume:24 ; year:2023 ; number:22, p 16463

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc Journal toc

DOI / URN:	10.3390/ijms242216463

Katalog-ID:	DOAJ101233752

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author	Abdelkrim Azzouz
spellingShingle	Abdelkrim Azzouz misc QH301-705.5 misc QD1-999 misc CO<sub<2</sub< capture misc adsorbents misc amines misc polyols misc dendrimers misc zero-valent metals misc Biology (General) misc Chemistry Innovative Strategy for Truly Reversible Capture of Polluting Gases—Application to Carbon Dioxide
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topic_title	QH301-705.5 QD1-999 Innovative Strategy for Truly Reversible Capture of Polluting Gases—Application to Carbon Dioxide CO<sub<2</sub< capture adsorbents amines polyols dendrimers zero-valent metals
topic	misc QH301-705.5 misc QD1-999 misc CO<sub<2</sub< capture misc adsorbents misc amines misc polyols misc dendrimers misc zero-valent metals misc Biology (General) misc Chemistry
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title	Innovative Strategy for Truly Reversible Capture of Polluting Gases—Application to Carbon Dioxide
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title_sort	innovative strategy for truly reversible capture of polluting gases—application to carbon dioxide
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title_auth	Innovative Strategy for Truly Reversible Capture of Polluting Gases—Application to Carbon Dioxide
abstract	This paper consists of a deep analysis and data comparison of the main strategies undertaken for achieving truly reversible capture of carbon dioxide involving optimized gas uptakes while affording weakest retention strength. So far, most strategies failed because the estimated amount of CO<sub<2</sub< produced by equivalent energy was higher than that captured. A more viable and sustainable approach in the present context of a persistent fossil fuel-dependent economy should be based on a judicious compromise between effective CO<sub<2</sub< capture with lowest energy for adsorbent regeneration. The most relevant example is that of so-called promising technologies based on amino adsorbents which unavoidably require thermal regeneration. In contrast, OH-functionalized adsorbents barely reach satisfactory CO<sub<2</sub< uptakes but act as breathing surfaces affording easy gas release even under ambient conditions or in CO<sub<2</sub<-free atmospheres. Between these two opposite approaches, there should exist smart approaches to tailor CO<sub<2</sub< retention strength even at the expense of the gas uptake. Among these, incorporation of zero-valent metal and/or OH-enriched amines or amine-enriched polyol species are probably the most promising. The main findings provided by the literature are herein deeply and systematically analysed for highlighting the main criteria that allow for designing ideal CO<sub<2</sub< adsorbent properties.
abstractGer	This paper consists of a deep analysis and data comparison of the main strategies undertaken for achieving truly reversible capture of carbon dioxide involving optimized gas uptakes while affording weakest retention strength. So far, most strategies failed because the estimated amount of CO<sub<2</sub< produced by equivalent energy was higher than that captured. A more viable and sustainable approach in the present context of a persistent fossil fuel-dependent economy should be based on a judicious compromise between effective CO<sub<2</sub< capture with lowest energy for adsorbent regeneration. The most relevant example is that of so-called promising technologies based on amino adsorbents which unavoidably require thermal regeneration. In contrast, OH-functionalized adsorbents barely reach satisfactory CO<sub<2</sub< uptakes but act as breathing surfaces affording easy gas release even under ambient conditions or in CO<sub<2</sub<-free atmospheres. Between these two opposite approaches, there should exist smart approaches to tailor CO<sub<2</sub< retention strength even at the expense of the gas uptake. Among these, incorporation of zero-valent metal and/or OH-enriched amines or amine-enriched polyol species are probably the most promising. The main findings provided by the literature are herein deeply and systematically analysed for highlighting the main criteria that allow for designing ideal CO<sub<2</sub< adsorbent properties.
abstract_unstemmed	This paper consists of a deep analysis and data comparison of the main strategies undertaken for achieving truly reversible capture of carbon dioxide involving optimized gas uptakes while affording weakest retention strength. So far, most strategies failed because the estimated amount of CO<sub<2</sub< produced by equivalent energy was higher than that captured. A more viable and sustainable approach in the present context of a persistent fossil fuel-dependent economy should be based on a judicious compromise between effective CO<sub<2</sub< capture with lowest energy for adsorbent regeneration. The most relevant example is that of so-called promising technologies based on amino adsorbents which unavoidably require thermal regeneration. In contrast, OH-functionalized adsorbents barely reach satisfactory CO<sub<2</sub< uptakes but act as breathing surfaces affording easy gas release even under ambient conditions or in CO<sub<2</sub<-free atmospheres. Between these two opposite approaches, there should exist smart approaches to tailor CO<sub<2</sub< retention strength even at the expense of the gas uptake. Among these, incorporation of zero-valent metal and/or OH-enriched amines or amine-enriched polyol species are probably the most promising. The main findings provided by the literature are herein deeply and systematically analysed for highlighting the main criteria that allow for designing ideal CO<sub<2</sub< adsorbent properties.
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title_short	Innovative Strategy for Truly Reversible Capture of Polluting Gases—Application to Carbon Dioxide
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