Adsorption and diffusion of carbon dioxide on metal-organic framework (MOF-5)

Zhenxia Zhao; Zhong Li; Y. S. Lin

doi:10.1021/ie900665f

Adsorption and diffusion of carbon dioxide on metal-organic framework (MOF-5)

Zhenxia Zhao, Zhong Li, Y. S. Lin

Engineering of Matter, Transport and Energy, School for (IAFSE-SEMTE)

Research output: Contribution to journal › Article › peer-review

274 Scopus citations

Abstract

Adsorption equilibrium and diffusion of CO₂ on microporous metal-organic frameworks (MOF-5, or IRMOF- 1) crystals were experimentally studied by the gravimetric method in the pressure range up to 1 atm. The MOF-5 crystal cubes of about 40-60 μm in sizes were synthesized by the solvothermal method. Freundlich adsorption isotherm equation can fit well CO₂ adsorption isotherms on MOF-5, with isosteric heat of adsorption of about 34 kJ/mol. Diffusion coefficient of CO₂ in the MOF-5 is in the range of 8.1-11.5 × 10^-9 cm²/s in 295-331K with activation energy of 7.61 kJ/mol. MOF-5 offers attractive adsorption properties as an adsorbent for separation of CO₂ from flue gas.

Original language	English (US)
Pages (from-to)	10015-10020
Number of pages	6
Journal	Industrial and Engineering Chemistry Research
Volume	48
Issue number	22
DOIs	https://doi.org/10.1021/ie900665f
State	Published - Dec 25 2009

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)
Industrial and Manufacturing Engineering

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abstract = "Adsorption equilibrium and diffusion of CO2 on microporous metal-organic frameworks (MOF-5, or IRMOF- 1) crystals were experimentally studied by the gravimetric method in the pressure range up to 1 atm. The MOF-5 crystal cubes of about 40-60 μm in sizes were synthesized by the solvothermal method. Freundlich adsorption isotherm equation can fit well CO2 adsorption isotherms on MOF-5, with isosteric heat of adsorption of about 34 kJ/mol. Diffusion coefficient of CO2 in the MOF-5 is in the range of 8.1-11.5 × 10-9 cm2/s in 295-331K with activation energy of 7.61 kJ/mol. MOF-5 offers attractive adsorption properties as an adsorbent for separation of CO2 from flue gas.",

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T1 - Adsorption and diffusion of carbon dioxide on metal-organic framework (MOF-5)

AU - Zhao, Zhenxia

AU - Li, Zhong

AU - Lin, Y. S.

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N2 - Adsorption equilibrium and diffusion of CO2 on microporous metal-organic frameworks (MOF-5, or IRMOF- 1) crystals were experimentally studied by the gravimetric method in the pressure range up to 1 atm. The MOF-5 crystal cubes of about 40-60 μm in sizes were synthesized by the solvothermal method. Freundlich adsorption isotherm equation can fit well CO2 adsorption isotherms on MOF-5, with isosteric heat of adsorption of about 34 kJ/mol. Diffusion coefficient of CO2 in the MOF-5 is in the range of 8.1-11.5 × 10-9 cm2/s in 295-331K with activation energy of 7.61 kJ/mol. MOF-5 offers attractive adsorption properties as an adsorbent for separation of CO2 from flue gas.

AB - Adsorption equilibrium and diffusion of CO2 on microporous metal-organic frameworks (MOF-5, or IRMOF- 1) crystals were experimentally studied by the gravimetric method in the pressure range up to 1 atm. The MOF-5 crystal cubes of about 40-60 μm in sizes were synthesized by the solvothermal method. Freundlich adsorption isotherm equation can fit well CO2 adsorption isotherms on MOF-5, with isosteric heat of adsorption of about 34 kJ/mol. Diffusion coefficient of CO2 in the MOF-5 is in the range of 8.1-11.5 × 10-9 cm2/s in 295-331K with activation energy of 7.61 kJ/mol. MOF-5 offers attractive adsorption properties as an adsorbent for separation of CO2 from flue gas.

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Adsorption and diffusion of carbon dioxide on metal-organic framework (MOF-5)

Abstract

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