Selective filtration of oil/water mixtures with bioinspired porous membranes
Zeiger, Claudia 1; Kumberg, Jana 1; Vüllers, Felix 1; Worgull, Matthias 1; Hölscher, Hendrik
1; Kavalenka, Maryna N. 1
1 Institut für Mikrostrukturtechnik (IMT), Karlsruher Institut für Technologie (KIT)
1; Kavalenka, Maryna N. 11 Institut für Mikrostrukturtechnik (IMT), Karlsruher Institut für Technologie (KIT)
Abstract (englisch):
Membranes inspired by special wetting properties of aquatic plant leaves enable selective removal of either oil or water from oil/water mixtures by filtration. Here, we introduce polymeric micro- and nanohaircovered porous membranes fabricated using highly scalable fabrication methods: hot pulling and perforation with microneedles. The as-prepared superhydrophobic/superoleophilic oil-removing membranes are converted into underwater superoleophobic water-removing membranes by argon
plasma treatment. Membrane permeability and breakthrough pressures are analyzed and compared to theory, and the efficiency of both types of membranes for oil/water separation is demonstrated.
plasma treatment. Membrane permeability and breakthrough pressures are analyzed and compared to theory, and the efficiency of both types of membranes for oil/water separation is demonstrated.
| Zugehörige Institution(en) am KIT | Institut für Mikrostrukturtechnik (IMT) |
| Publikationstyp | Zeitschriftenaufsatz |
| Publikationsjahr | 2017 |
| Sprache | Englisch |
| Identifikator | ISSN: 2046-2069 urn:nbn:de:swb:90-714991 KITopen-ID: 1000071499 |
| HGF-Programm | 43.22.01 (POF III, LK 01) Functionality by Design |
| Erschienen in | RSC Advances |
| Verlag | Royal Society of Chemistry (RSC) |
| Band | 7 |
| Heft | 52 |
| Seiten | 32806-32811 |
| Bemerkung zur Veröffentlichung | Gefördert durch den KIT-Publikationsfonds |
| Schlagwörter | 2015-014-007112 AFM HE |
| Nachgewiesen in | Dimensions Scopus Web of Science |