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  4. Effect of pore morphology on fluid flow and particle deposition on a track-etched polycarbonate membrane
 
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Effect of pore morphology on fluid flow and particle deposition on a track-etched polycarbonate membrane

Journal
Desalination
Journal Volume
146
Journal Issue
1-3
Pages
129-134
Date Issued
2002
Author(s)
Tung K.-L.  
Chuang C.-J.
DOI
10.1016/S0011-9164(02)00504-0
URI
https://scholars.lib.ntu.edu.tw/handle/123456789/410525
URL
https://www.scopus.com/inward/record.uri?eid=2-s2.0-0037056649&doi=10.1016%2fS0011-9164%2802%2900504-0&partnerID=40&md5=37a10782658c871bd627098b8b08140a
Abstract
Three-dimensional particles deposition on a filter pore of a track-etched polycarbonate membrane was studied numerically by analyzing forces acting on the depositing particles. The simulation was applied to examine how the morphology of the filter pore affects the deposition of particles on a membrane pore at the initial stage of filtration. The model of membrane structure is a 3D porous surface with circular holes of finite thickness. Both of the effects of constriction and expansion of inner pore geometries on fluid flow and particle deposition are taken into consideration in numerical calculation, and are compared with that of capillary pore. The disturbance of flow field and particle trajectory due to the presence of particles was taken into consideration during each simulation. Simulated results show that the effect of filtration rate, i.e., operating pressure, has a significant influence on the packing morphology of particles on a filter pore.
Subjects
Computer simulation
Membrane fouling
Microfiltration
Particle deposition
Pore morphology
Track-etched polycarbonate membrane
Type
journal article

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