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Synergistic solution of CO2 capture by novel lanthanide-based MOF-76 yttrium nanocrystals in mixed-matrix membranes

Author

Listed:
  • Sadia Bano
  • Saadia R Tariq
  • Ayesha Ilyas
  • Muhammad Aslam
  • Muhammad R Bilad
  • Abdul-Sattar Nizami
  • Asim L Khan

Abstract

A porous and thermally stable metal organic framework (MOF) of yttrium and 1,3,5-benzenetricarboxylate was synthesized, which belongs to the family of lanthanide-based MOF-76. Mixed-matrix membranes were developed by incorporating MOF-76 yttrium nanocrystals into Matrimid® 5218. The structure, composition, and morphology of synthesized lanthanide-based MOF-76 yttrium nanocrystals and mixed-matrix membranes were characterized by X-ray diffraction, Fourier-transform infrared spectroscopy, scanning electron microscopy, and thermogravimetric analysis. The characterizations and gas permeation results of the prepared mixed-matrix membranes confirmed better adhesion and distribution of filler particles in the polymer. The results demonstrated that the addition of MOF-76 yttrium nanocrystals to the polymer matrix improved both the gas selectivity and permeability of mixed-matrix membranes compared to pure Matrimid membranes. Permeability of CO 2 increased from 7.24 to 27.29 Barrer by increasing the particle content from 0 to 30% in pure gas experiments. Whereas with 30 wt% concentration of MOF-76(Y) at 50:50 feed compositions, the selectivity increased for CO 2 /CH 4 and CO 2 /N 2 was 67% and 68%, respectively. The rise in temperature from 298 to 338 K decreased the ideal selectivity up to 25% for both gas pairs due to polymer chain relaxations at elevated temperatures. The commercial importance of membranes was evaluated at different feed compositions and operating temperatures.

Suggested Citation

  • Sadia Bano & Saadia R Tariq & Ayesha Ilyas & Muhammad Aslam & Muhammad R Bilad & Abdul-Sattar Nizami & Asim L Khan, 2020. "Synergistic solution of CO2 capture by novel lanthanide-based MOF-76 yttrium nanocrystals in mixed-matrix membranes," Energy & Environment, , vol. 31(4), pages 692-712, June.
    • Handle: RePEc:sae:engenv:v:31:y:2020:i:4:p:692-712
    DOI: 10.1177/0958305X19882413
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    Cited by:

    1. Zissis Karavas & Vayos Karayannis & Konstantinos Moustakas, 2021. "Comparative study of air quality indices in the European Union towards adopting a common air quality index," Energy & Environment, , vol. 32(6), pages 959-980, September.
    2. Kamble, Ashwin R. & Patel, Chetan M. & Murthy, Z.V.P., 2021. "A review on the recent advances in mixed matrix membranes for gas separation processes," Renewable and Sustainable Energy Reviews, Elsevier, vol. 145(C).

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