Pınar Zeynep Çulfaz Emecen

Department of Chemical Engineering
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Ionic strength-responsive poly(sulfobetaine methacrylate) microgels for fouling removal during ultrafiltration
Çalılı, Fatma; Kaner, Papatya; Aro, Grace; Asatekin, Ayse; Çulfaz Emecen, Pınar Zeynep (2020-11-01)
Zwitterionic materials have received a lot of interest in the field of membrane science and water treatment due to their excellent fouling resistance, super-hydrophilicity, and ionic strength response. However, they have t...
Addressing challenges in the ultrafiltration of biomolecules from complex aqueous environments
Büküşoğlu, Emre; Koku, Harun; Çulfaz Emecen, Pınar Zeynep (Elsevier BV, 2020-04-01)
Substantial progress has been made in ultrafiltration processes toward the separation of colloidal species from aqueous environments. Studies, especially in the past decade, have advanced the separations using functional a...
Thinking the future of membranes: Perspectives for advanced and new membrane materials and manufacturing processes
Nunes, Suzana P.; Çulfaz Emecen, Pınar Zeynep; Ramon, Guy Z.; Visser, Tymen; Koops, Geert Henk; Jin, Wanqin; Ulbricht, Mathias (Elsevier BV, 2020-03-15)
The state-of-the-art of membrane technology is characterized by a number of mature applications such as sterile filtration, hemodialysis, water purification and gas separation, as well as many more niche applications of su...
Effect of carboxylic acid crosslinking of cellulose membranes on nanofiltration performance in ethanol and dimethylsulfoxide
Konca, Kubra; Çulfaz Emecen, Pınar Zeynep (2019-10-01)
Cellulose membranes were fabricated via phase inversion using 1-ethyl-3-methylimidazolium acetate as solvent and acetone as volatile cosolvent. 1,2,3,4-butanetetracarboxylic acid was used to partially crosslink the hydroxy...
Co-Deposition of Stimuli-Responsive Microgels with Foulants During Ultrafiltration as a Fouling Removal Strategy
Aksoy, Canan; Kaner, Papatya; Asatekin, Ayse; Çulfaz Emecen, Pınar Zeynep (2019-05-22)
In this study, we show that codeposition of temperature responsive microgels in the foulant cake layer and cleaning of the cake upon stimuli-induced size change of the microgels is an effective method of fouling removal. H...
Helical hollow fibers via rope coiling: Effect of spinning conditions on geometry and membrane morphology
Yucel, Hazal; Çulfaz Emecen, Pınar Zeynep (Elsevier BV, 2018-08-01)
Helical hollow fiber membranes from poly(ether sulfone) were spun via dry-wet spinning, making use of the liquid rope coiling phenomenon. The polymer solution composition was changed by varying the coagulation value and ad...
Cellulose-based membranes via phase inversion using [EMIM]OAc-DMSO mixtures as solvent
Durmaz, Elif Nur; Çulfaz Emecen, Pınar Zeynep (2018-03-16)
Cellulose and cellulose acetate membranes were fabricated by phase inversion from their solutions in 1-ethyl-3-methylimidazolium acetate ([EMIM] OAc), or its mixture with dimethyl sulfoxide (DMSO). Inclusion of DMSO in the...
Cellulose membranes for organic solvent nanofiltration
Sukma, F. M.; Çulfaz Emecen, Pınar Zeynep (2018-01-01)
Cellulose membranes were fabricated by phase inversion from solutions of cellulose in 1-ethyl-3-methylimidazolium acetate ([EMIM] OAc) as solvent and acetone as volatile cosolvent. The rejection of Bromothymol Blue ( 624 D...
Extremely fouling resistant zwitterionic copolymer membranes with similar to 1 nm pore size for treating municipal, oily and textile wastewater streams
Bengani-Lutz, Prity; Zaf, Ruken Dilara; Çulfaz Emecen, Pınar Zeynep; Asatekin, Ayse (2017-12-01)
In this study, we document the performance of novel zwitterionic copolymer membranes with a molecular weight cut-off (MWCO) of around 1 kDa in treating municipal and industrial wastewater streams. These membranes were prep...
Çulfaz Emecen, Pınar Zeynep; Durmaz, Elif Nur; Sukma, Faqıh Muhamad; İmir, Zeynep; Konca, Kübra (2017-09-23)
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