ZIF-67 filled PDMS mixed matrix membranes for recovery of ethanol via pervaporation

Khan, A. and Ali, M. and Ilyas, A. and Naik, P. and Vankelecom, I.F.J. and Gilani, M.A. and Bilad, M.R. and Sajjad, Z. and Khan, A.L. (2018) ZIF-67 filled PDMS mixed matrix membranes for recovery of ethanol via pervaporation. Separation and Purification Technology, 206 . pp. 50-58.

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Zeolitic imidazole frameworks (ZIFs), a subclass of metal organic frameworks (MOFs), are composed of metal ions linked by organic ligands which offer an exceptionally high surface area and appealing separation potential. In this study, mixed matrix membranes (MMMs) were prepared using polydimethylsiloxane (PDMS) as a hydrophobic polymer and ZIF-67 as inorganic filler particle. ZIF-67 particles and MMMs were characterized by XRD, SEM, FTIR, BET and contact angle measurements. The prepared membranes were tested for the separation of ethanol/water mixtures via pervaporation. Compared to unfilled PDMS membranes, MMMs loaded with 20 wt ZIF-67 showed an increase in flux and a doubled separation factor. The easy synthesis of ZIF-67 and its enhanced separation performance make ZIF-67 an attractive candidate to prepare MMMs for a variety of membrane applications. © 2018 Elsevier B.V.

Item Type:Article
Impact Factor:cited By 0
Uncontrolled Keywords:Crystalline materials; Ethanol; Evaporation; Filled polymers; Membranes; Metal ions; Metals; Microchannels; Organometallics; Pervaporation; Polydimethylsiloxane; Pulse width modulation, Hydrophobic polymers; Metalorganic frameworks (MOFs); Mixed matrix membranes; Polydimethylsiloxane PDMS; Separation of ethanol; Separation performance; Separation potential; ZIF-67, Silicones
Departments / MOR / COE:Research Institutes > Institute for Sustainable Building
ID Code:21395
Deposited By: Ahmad Suhairi
Deposited On:25 Sep 2018 06:35
Last Modified:07 Jan 2019 07:26

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