Witri Wahyu Lestari, Moh Ali Khafidhin, Rika Wijiyanti, Nurul Widiastuti, Desi Suci Handayani, Ubed Sonai Fahruddin Arrozi, Grandprix T. M. Kadja
Novel mixed matrix membranes (MMMs) based on polyethersulfone (PES) and [Al12O(OH)18 (H2O)3(btc)6] (btc: benzene-1,3,5-tricarboxylic acid), also known as Material of Institute Lavoisier (MIL)-96 (Al), fillers were successfully prepared using a conventional printing method with the wet phase inversion technique. Membranes for gas separation were successfully prepared using PES 35% w/w in N,N′-dimethylacetamide (DMAc).Variations in percent addition of fillers included 5%, 10%, 20%, and 30% w/w to observe gas separation performance. The produced PES/MIL-96 (Al) MMMs did not show any chemical interactions based on fourier transform infrared analysis. The fabricated membrane has a finger-like structure, as demonstrated by scanning electron microscopy images. Gas separation performance in MMMs was observed in N2, O2, and CO2 gases. Membrane permeability showed an increase as the number of fillers was increased. The optimum selectivity of the membranes for the separation of CO2/N2 and CO2/O2 gases was achieved with the addition of 20% fillers with increases of 155% and 86%, respectively, compared to pure PES membranes. Agglomeration was observed with the addition of 30% particle filler to the membranes, which resulted in decreased membrane selectivity. Graphical abstract: [Figure not available: see fulltext.] © 2021, Institute of Chemistry, Slovak Academy of Sciences.
Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sebelas Maret, Jl. Ir Sutami No. 36A, Kentingan-Jebres Surakarta, 57126, Central Java, Indonesia; Medical Intelligence, Sekolah Tinggi Intelijen Negara (State College of Intelligence), Sumur Batu, Babakan Madang, Bogor, 16810, Indonesia; Department of Chemistry, Faculty of Sciences, Institut Teknologi Sepuluh November, Surabaya, 60111, Indonesia; Department of Chemistry, Faculty of Mathematics and Sciences, State University of Malang, Jl. Semarang 5, Malang, 65145, East Java, Indonesia; Division of Inorganic and Physical Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jl. Ganesha No. 10, Bandung, 40132, Indonesia; Research Center for Nanosciences and Nanotechnology, Institut Teknologi Bandung, Jl. Ganesha No. 10, Bandung, 40132, Indonesia; Center for Catalysis and Reaction Engineering, Institut Teknologi Bandung, Jl. Ganesha No. 10, Bandung, 40132, Indonesia
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