A new UiO-66-NH2 based mixed-matrix membranes with high CO2/CH4 separation performance

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

Authors

  • Yunzhe Jiang
  • Chuanyao Liu
  • Jürgen Caro
  • Aisheng Huang

Research Organisations

External Research Organisations

  • East China Normal University
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Details

Original languageEnglish
Pages (from-to)203-211
Number of pages9
JournalMicroporous and Mesoporous Materials
Volume274
Early online date7 Aug 2018
Publication statusPublished - 15 Jan 2019

Abstract

A new UiO-66-NH2 based MOF named UiO-66-NH2@ICA has been prepared by grafting imidazole-2-carbaldehyde (ICA) to UiO-66-NH2 through a post-synthesis reaction via amine condensation. FESEM, XRD, 1H NMR, FT-IR and N2 adsorption were used to characterize the morphology and structure of UiO-66-NH2@ICA. The grafted ICA mainly reduces the pore volume of UiO-66-NH2 but increases the number of nitrogen atom as binding site of CO2. The UiO-66-NH2@ICA showed less BET surface area but a higher CO2/CH4 adsorption selectivity in comparison with UiO-66-NH2. UiO-66-NH2@ICA and UiO-66-NH2 crystals were dispersed in Matrimid®5218 to form mixed-matrix membranes (MMMs). Single gas permeation and mixed gas separation was carried out to investigate the effects of filler loading and feed gas pressure on the separation performances of the MMMs. The UiO-66-NH2@ICA/Matrimid® MMM with 10 wt % filler showed a high CO2/CH4 selectivity with a separation factor of 64.7, which is an increase by 40% in comparison with UiO-66-NH2/Matrimid® MMM.

Keywords

    CO/CH separation, Imidazole-2-carbaldehyde, Mixed-matrix membranes, N as CO adsorption site, UiO-66-NH

ASJC Scopus subject areas

Cite this

A new UiO-66-NH2 based mixed-matrix membranes with high CO2/CH4 separation performance. / Jiang, Yunzhe; Liu, Chuanyao; Caro, Jürgen et al.
In: Microporous and Mesoporous Materials, Vol. 274, 15.01.2019, p. 203-211.

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

Jiang Y, Liu C, Caro J, Huang A. A new UiO-66-NH2 based mixed-matrix membranes with high CO2/CH4 separation performance. Microporous and Mesoporous Materials. 2019 Jan 15;274:203-211. Epub 2018 Aug 7. doi: 10.1016/j.micromeso.2018.08.003
Jiang, Yunzhe ; Liu, Chuanyao ; Caro, Jürgen et al. / A new UiO-66-NH2 based mixed-matrix membranes with high CO2/CH4 separation performance. In: Microporous and Mesoporous Materials. 2019 ; Vol. 274. pp. 203-211.
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title = "A new UiO-66-NH2 based mixed-matrix membranes with high CO2/CH4 separation performance",
abstract = "A new UiO-66-NH2 based MOF named UiO-66-NH2@ICA has been prepared by grafting imidazole-2-carbaldehyde (ICA) to UiO-66-NH2 through a post-synthesis reaction via amine condensation. FESEM, XRD, 1H NMR, FT-IR and N2 adsorption were used to characterize the morphology and structure of UiO-66-NH2@ICA. The grafted ICA mainly reduces the pore volume of UiO-66-NH2 but increases the number of nitrogen atom as binding site of CO2. The UiO-66-NH2@ICA showed less BET surface area but a higher CO2/CH4 adsorption selectivity in comparison with UiO-66-NH2. UiO-66-NH2@ICA and UiO-66-NH2 crystals were dispersed in Matrimid{\textregistered}5218 to form mixed-matrix membranes (MMMs). Single gas permeation and mixed gas separation was carried out to investigate the effects of filler loading and feed gas pressure on the separation performances of the MMMs. The UiO-66-NH2@ICA/Matrimid{\textregistered} MMM with 10 wt % filler showed a high CO2/CH4 selectivity with a separation factor of 64.7, which is an increase by 40% in comparison with UiO-66-NH2/Matrimid{\textregistered} MMM.",
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T1 - A new UiO-66-NH2 based mixed-matrix membranes with high CO2/CH4 separation performance

AU - Jiang, Yunzhe

AU - Liu, Chuanyao

AU - Caro, Jürgen

AU - Huang, Aisheng

N1 - Funding Information: Financially supported by the National Natural Science Foundation of China ( 21761132003 , 21576273 ) is acknowledged.

PY - 2019/1/15

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AB - A new UiO-66-NH2 based MOF named UiO-66-NH2@ICA has been prepared by grafting imidazole-2-carbaldehyde (ICA) to UiO-66-NH2 through a post-synthesis reaction via amine condensation. FESEM, XRD, 1H NMR, FT-IR and N2 adsorption were used to characterize the morphology and structure of UiO-66-NH2@ICA. The grafted ICA mainly reduces the pore volume of UiO-66-NH2 but increases the number of nitrogen atom as binding site of CO2. The UiO-66-NH2@ICA showed less BET surface area but a higher CO2/CH4 adsorption selectivity in comparison with UiO-66-NH2. UiO-66-NH2@ICA and UiO-66-NH2 crystals were dispersed in Matrimid®5218 to form mixed-matrix membranes (MMMs). Single gas permeation and mixed gas separation was carried out to investigate the effects of filler loading and feed gas pressure on the separation performances of the MMMs. The UiO-66-NH2@ICA/Matrimid® MMM with 10 wt % filler showed a high CO2/CH4 selectivity with a separation factor of 64.7, which is an increase by 40% in comparison with UiO-66-NH2/Matrimid® MMM.

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KW - Imidazole-2-carbaldehyde

KW - Mixed-matrix membranes

KW - N as CO adsorption site

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