Cited by 351Carbon Dioxide Capture TechnologiesZeolite Catalysis and SynthesisCO2 Sequestration and Geologic Interactions

Advances in principal factors influencing carbon dioxide adsorption on zeolites

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Bonenfant, Danielle, Kharoune, Mourad, Niquette, Patrick, Mimeault, Murielle, Hausler, Robert·2008·Science and Technology of Advanced Materials

Abstract

We report the advances in the principal structural and experimental factors that might influence the carbon dioxide (CO2) adsorption on natural and synthetic zeolites. The CO2 adsorption is principally govern by the inclusion of exchangeable cations (countercations) within the cavities of zeolites, which induce basicity and an electric field, two key parameters for CO2 adsorption. More specifically, these two parameters vary with diverse factors including the nature, distribution and number of exchangeable cations. The structure of framework also determines CO2 adsorption on zeolites by influencing the basicity and electric field in their cavities. In fact, the basicity and electric field usually vary inversely with the Si/Al ratio. Furthermore, the CO2 adsorption might be limited by the size of pores within zeolites and by the carbonates formation during the CO2 chemisorption. The polarity of molecules adsorbed on zeolites represents a very important factor that influences their interaction with the electric field. The adsorbates that have the most great quadrupole moment such as the CO2, might interact strongly with the electric field of zeolites and this favors their adsorption. The pressure, temperature and presence of water seem to be the most important experimental conditions that influence the adsorption of CO2. The CO2 adsorption increases with the gas phase pressure and decreases with the rise of temperature. The presence of water significantly decreases adsorption capacity of cationic zeolites by decreasing strength and heterogeneity of the electric field and by favoring the formation of bicarbonates. The optimization of the zeolites structural characteristics and the experimental conditions might enhance substantially their CO2 adsorption capacity and thereby might give rise to the excellent adsorbents that may be used to capturing the industrial emissions of CO2.

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Crossref · 10.1088/1468-6996/9/1/013007

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  • CO2 uptake is favored by low temperatures and high partial pressures and is obstructed by water, which lowers the strength of the electric field and induces bicarbonate formation.

    “carbon dioxide uptake is favored by low temperatures and high partial pressures and it is strictly obstructed by the presence of water which lowers the strength of the electric field as well as induces the formation of bicarbonates (Bonenfant et al. 2008).”
  • CO2 adsorption capacity strictly depends on Si/Al ratio and pore size.

    “CO2 adsorption capacity strictly depends on Si/Al ratio and pore size (Bonenfant et al. 2008; Hernández-Huesca et al. 1999).”
  • In some cases, chemisorption takes place on low-silica zeolites and strongly bound carbonate-like species can be formed.

    “In some cases even chemisorption takes place, and strongly bound carbonate-like species can be formed.495,496”
  • Water not only competes with CO2 in adsorption but may also favor its chemisorption and formation of bicarbonate-like species.

    “In most cases, this competitive adsorption is undesired, and it is also noteworthy that water not only will compete with CO2 in the adsorption process but also may favor its chemisorption and the formation of bicarbonate-like species.495,496,498,499”

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Authors
Bonenfant, D., Kharoune, M., Niquette, P., Mimeault, M., & Hausler, R.
Affiliations
  • École de Technologie Supérieure (CA)
  • University of Nebraska Medical Center (US)
  • STEPPE-École de Technologie Supérieure, Département de Génie de la Construction, 1100, Notre-Dame Ouest, Montréal, QC, H3C 1K3, Canada
Venue
Science and Technology of Advanced Materials
Published
2008-01
Volume
9
Issue
1
Pages
013007
ISSN
  • 1468-6996 (ISSN-L)
  • 1878-5514
OpenAlex
W2114992971
Cited by
351
References
67
Citations by year
2026: 26 · 2025: 37 · 2024: 25 · 2023: 31 · 2022: 26 · 2021: 25 · 2020: 17 · 2019: 24 · 2018: 16 · 2017: 17 · 2016: 16 · 2015: 17 · 2014: 15 · 2013: 15 · 2012: 16
FWCI
19.82
Type
journal article
Language
en
Open access
Locations
  • Science and Technology of Advanced Materials (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
Natural Sciences and Engineering Research Council of Canada
Topics
  • Physical Sciences › Engineering › Mechanical Engineering › Carbon Dioxide Capture Technologies
  • Physical Sciences › Chemistry › Inorganic Chemistry › Zeolite Catalysis and Synthesis
  • Physical Sciences › Environmental Science › Environmental Engineering › CO2 Sequestration and Geologic Interactions
Keywords
CO2 adsorption, zeolites, exchangeable cations, zeolite basicity, electric field, Si/Al ratio, framework structure, pore size, carbonate formation, CO2 chemisorption, water effect, temperature and pressure dependence, CO2 capture, industrial emissions

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