Simulation: the deposition behavior of Brownian particles in porous media by using the triangular network model
Resource
Separation and Purification Technology 44(2005), 103–114
Journal
Separation and Purification Technology 44(2005), 103–114
Pages
-
Date Issued
2005
Date
2005
Author(s)
Chan, Hsun-Chih
Chen, Shan-Chih
Chang, You-Im
DOI
246246/2006111501233384
Abstract
The individual Brownian particles movement through the filter bed, and the effect of different interaction energy curves of DLVO theory,
on the permeability reduction in a filter bed is investigated by applying the triangular network model using the Brownian dynamics simulation
method. When energy barrier exists and both the particle and the pore size distributions are of the Raleigh type, it is found that particles
with Brownian motion behavior are easier to get straining at small pores, and resulted in higher permeability reduction than those without
considering the Brownian motion behavior. It is found that the present model shows fair agreement between the theory and the permeability
reduction and the filter coefficient experimental results when the direct deposition mechanism is dominant.
Subjects
Network model
Deposition
Brownian particles
Porous media
Publisher
Taipei:National Taiwan University Dept Chem Engn
Type
journal article
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