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Fabrication of hybrid membranes based on poly(ether-sulfone)/Materials Institute Lavoisier (MIL-53)(Al) and its enhanced CO2 gas separation performance

Witri Wahyu Lestari, Burhan Fatkhur Rahman, Jeesica Hermayanti Pratama, Desi Suci Handayani, Triyanda Gunawan, Nurul Widiastuti, and Hamzah Fansuri

Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sebelas Maret, Surakarta, Indonesia

 

E-mail: witri@mipa.uns.ac.id

Received: 17 June 2021  Accepted: 4 August 2021

Abstract:

Hybrid organic–inorganic membranes which called as mixed matrix membranes (MMMs) based on Poly(ether-sulfone) (PES) and Materials Institute Lavoisier (MIL-53) (Al) are successfully prepared through a phase inversion method. The XRD and FTIR analyses confirm the formation of MIL-53 (Al) and classified as a mesoporous material with irregular morphology according to nitrogen sorption isotherm and SEM analysis. The loading of MIL-53 (Al) into PES varies from 10, 20, 30, and 40% (w/w). No chemical interaction is observed between MIL-53 (Al) and PES in MMMs based on FTIR analysis. Agglomeration in MMMs is observed at the addition of 40% (w/w) MIL-53 (Al) with an increase in the thermal stability of MMMs up to 50 °C. The gas separation is tested by calculating the gas permeability of N2, O2, and CO2 and reached optimum condition in the addition of MIL-53 (Al) 30% (w/w) with increasing permeability values, respectively, 4, 6, and 8 times higher than the pristine PES membrane. The optimum selectivity of CO2/N2 and CO2/O2 is achieved in the addition of MIL-53 (Al) by 30 and 40% (w/w) with an increase in selectivity values 62.58 and 26.70%, respectively, compared to the selectivity of net PES membrane.

Graphic abstract

Keywords: MIL-53 (Al); Mixed matrix membranes; Poly(ether-sulfone); Gas separation; CO2

Full paper is available at www.springerlink.com.

DOI: 10.1007/s11696-021-01816-3

 

Chemical Papers 75 (12) 6519–6530 (2021)

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