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  4. Premix membrane emulsification using flat microfiltration inorganic membranes with tailored structure and composition
 
Zitierlink DOI
10.26092/elib/2512
Verlagslink DOI
10.1016/j.memsci.2020.118124

Premix membrane emulsification using flat microfiltration inorganic membranes with tailored structure and composition

Veröffentlichungsdatum
2020-04-20
Autoren
Nishihora, Rafael Kenji  
Luhede, Laura  
Fritsching, Udo  
Quadri, Mara  
Hotza, Dachamir  
Rezwan, Kurosch  
Wilhelm, Michaela  
Zusammenfassung
Uniform oil-in-water emulsions were prepared using MCT (medium-chain fatty acid triglyceride, 10 wt%) as the oily dispersed phase and polysorbate 80 as the surfactant (1 wt%). The emulsification process was performed via premix membrane emulsification (PME) using 3 flat microfiltration ceramic membranes with different mean pore sizes (dm): borosilicate (symmetric, commercial, dm: 1.39 μm); SiOC (symmetric, manufactured, dm: 1.76 μm); and mullite (asymmetric, manufactured, dm: 1.18 μm). The droplets size and their distribution varied according to the membrane type and number of permeation cycles (up to a limit of 2 passes). All prepared emulsions presented a tendency to monomodal droplet distribution with span values in the range of 0.82–0.97. The coarse emulsion (premix) droplets were reduced from 6.30 to 4.50–2.17 μm. The asymmetric membrane (mullite) exhibited the highest permeation fluxes at constant relative pressure for both water (43.1 × 10−3 m3 m−2 s−1) and premix (Pass 1: 4.6 × 10−3 m3 m−2 s−1; Pass 2: 5.3 × 10−3 m3 m−2 s−1), still maintaining satisfactory emulsification results.
Schlagwörter
Premix membrane emulsification

; 

Ceramic membranes

; 

Asymmetrie strucrure

; 

Symmetrie structure

; 

Oil-in-water emulsions

; 

Mimenima
Verlag
Elsevier
Institution
Universität Bremen  
Fachbereich
Fachbereich 04: Produktionstechnik, Maschinenbau & Verfahrenstechnik (FB 04)  
Dokumenttyp
Artikel/Aufsatz
Zeitschrift/Sammelwerk
Journal of Membrane Science  
Startseite
118124
Zweitveröffentlichung
Ja
Dokumentversion
Postprint
Lizenz
https://creativecommons.org/licenses/by-nc-nd/4.0/
Sprache
Englisch
Dateien
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Vorschaubild
Name

Premix membrane emulsification using flat microfiltration inorganic membranes with tailored structure and composition.pdf

Size

1.83 MB

Format

Adobe PDF

Checksum

(MD5):9ca1bf392d8b5730021cd3566676e4ae

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