Abstract:
:Blockage of pores by particles is found in many processes, including filtration and oil extraction. We present filtration experiments through a linear array of ten channels with one dimension which is sub-micron, through which a dilute dispersion of Brownian polystyrene spheres flows under the action of a fixed pressure drop. The growth rate of a clog formed by particles at a pore entrance systematically increases with the number of already saturated (entirely clogged) pores, indicating that there is an interaction or "cross-talk" between the pores. This observation is interpreted based on a phenomenological model, stating that a diffusive redistribution of particles occurs along the membrane, from clogged to free pores. This one-dimensional model could be extended to two-dimensional membranes.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Liot O,Singh A,Bacchin P,Duru P,Morris JF,Joseph Pdoi
10.1038/s41598-018-30389-7subject
Has Abstractpub_date
2018-08-20 00:00:00pages
12460issue
1issn
2045-2322pii
10.1038/s41598-018-30389-7journal_volume
8pub_type
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