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A nano-silicate material with exceptional capacity for CO(2) capture and storage at room temperature

In order to mitigate climate change driven by the observed high levels of carbon dioxide (CO(2)) in the atmosphere, many micro and nano-porous materials are being investigated for CO(2) selectivity, capture and storage (CCS) purposes, including zeolites, metal organic frameworks (MOFs), functionaliz...

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Autores principales: Cavalcanti, Leide P., Kalantzopoulos, Georgios N., Eckert, Juergen, Knudsen, Kenneth D., Fossum, Jon Otto
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6081458/
https://www.ncbi.nlm.nih.gov/pubmed/30087394
http://dx.doi.org/10.1038/s41598-018-30283-2
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author Cavalcanti, Leide P.
Kalantzopoulos, Georgios N.
Eckert, Juergen
Knudsen, Kenneth D.
Fossum, Jon Otto
author_facet Cavalcanti, Leide P.
Kalantzopoulos, Georgios N.
Eckert, Juergen
Knudsen, Kenneth D.
Fossum, Jon Otto
author_sort Cavalcanti, Leide P.
collection PubMed
description In order to mitigate climate change driven by the observed high levels of carbon dioxide (CO(2)) in the atmosphere, many micro and nano-porous materials are being investigated for CO(2) selectivity, capture and storage (CCS) purposes, including zeolites, metal organic frameworks (MOFs), functionalized polymers, activated carbons and nano-silicate clay minerals. Key properties include availability, non-toxicity, low cost, stability, energy of adsorption/desorption, sorbent regeneration, sorption kinetics and CO(2) storage capacity. Here, we address the crucial point of the volumetric capture and storage capacity for CO(2) in a low cost material which is natural, non-toxic, and stable. We show that the nano-silicate Nickel Fluorohectorite is able to capture 0.79 metric tons of CO(2) per m(3) of host material - one of the highest capacities ever achieved - and we compare volumetric and gravimetric capacity of the best CO(2) sorbent materials reported to date. Our results suggest that the high capture capacity of this fluorohectorite clay is strongly coupled to the type and valence of the interlayer cation (here Ni(2+)) and the high charge density, which is almost twice that of montmorillonite, resulting in the highest reported CO(2) uptake among clay minerals.
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spelling pubmed-60814582018-08-10 A nano-silicate material with exceptional capacity for CO(2) capture and storage at room temperature Cavalcanti, Leide P. Kalantzopoulos, Georgios N. Eckert, Juergen Knudsen, Kenneth D. Fossum, Jon Otto Sci Rep Article In order to mitigate climate change driven by the observed high levels of carbon dioxide (CO(2)) in the atmosphere, many micro and nano-porous materials are being investigated for CO(2) selectivity, capture and storage (CCS) purposes, including zeolites, metal organic frameworks (MOFs), functionalized polymers, activated carbons and nano-silicate clay minerals. Key properties include availability, non-toxicity, low cost, stability, energy of adsorption/desorption, sorbent regeneration, sorption kinetics and CO(2) storage capacity. Here, we address the crucial point of the volumetric capture and storage capacity for CO(2) in a low cost material which is natural, non-toxic, and stable. We show that the nano-silicate Nickel Fluorohectorite is able to capture 0.79 metric tons of CO(2) per m(3) of host material - one of the highest capacities ever achieved - and we compare volumetric and gravimetric capacity of the best CO(2) sorbent materials reported to date. Our results suggest that the high capture capacity of this fluorohectorite clay is strongly coupled to the type and valence of the interlayer cation (here Ni(2+)) and the high charge density, which is almost twice that of montmorillonite, resulting in the highest reported CO(2) uptake among clay minerals. Nature Publishing Group UK 2018-08-07 /pmc/articles/PMC6081458/ /pubmed/30087394 http://dx.doi.org/10.1038/s41598-018-30283-2 Text en © The Author(s) 2018 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Cavalcanti, Leide P.
Kalantzopoulos, Georgios N.
Eckert, Juergen
Knudsen, Kenneth D.
Fossum, Jon Otto
A nano-silicate material with exceptional capacity for CO(2) capture and storage at room temperature
title A nano-silicate material with exceptional capacity for CO(2) capture and storage at room temperature
title_full A nano-silicate material with exceptional capacity for CO(2) capture and storage at room temperature
title_fullStr A nano-silicate material with exceptional capacity for CO(2) capture and storage at room temperature
title_full_unstemmed A nano-silicate material with exceptional capacity for CO(2) capture and storage at room temperature
title_short A nano-silicate material with exceptional capacity for CO(2) capture and storage at room temperature
title_sort nano-silicate material with exceptional capacity for co(2) capture and storage at room temperature
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6081458/
https://www.ncbi.nlm.nih.gov/pubmed/30087394
http://dx.doi.org/10.1038/s41598-018-30283-2
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