ArticleACS omega2025
Fabrication and Characterization of Blend Polysulfone-Sulfonated Polyether Ether Ketone-Polyethylene Glycol Hollow Fiber Membranes for Separation of Oil-in-Water Emulsion via a Membrane Bioreactor Process.
Article in ACS omega, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors.
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Abstract
The membrane bioreactor (MBR) is a cutting-edge wastewater treatment technology that delivers exceptional effluent quality, compact design, and reliable operation by integrating biological treatment with membrane filtration. The performance of a MBR system heavily depends on the properties of the membrane used. In this study, blend polysulfone-sulfonated polyether ether ketone-polyethylene glycol (PSF-SPEEK-PEG) hollow fiber membranes were fabricated via a non-solvent-induced phase separation (NIPS) method. The effect of the SPEEK content on membrane characteristics and performance was investigated. Results showed that adding SPEEK enhanced the thermodynamic instability of the polymer solution, accelerating phase inversion and yielding a more porous structure with finger-like voids. The optimal membrane composition was achieved at a PSF/SPEEK ratio of 85:15, demonstrating: 75% overall porosity, 64.8° water contact angle (WCA), 13.48 nm mean pore size, and 680 kPa collapsing pressure. Due to its enhanced hydrophilicity and porosity, this membrane achieved a pure water flux (PWF) of 63.2 L m
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