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Computational analysis of displacement of particles with given size on the nonstationary bulging membrane as a theoretical model of membrane fouling

Gac J.M., Gradoń L.

Chemical and Process Engineering

2013

Vol. 34, nr 1

109--119

A simple model of behaviour of a single particle on the bulging membrane was presented. As a result of numerical solution of a motion equation the influence of the amplitude and frequency of bulging as well as the particle size on particle behaviour, especially its downstream velocity was investigated. It was found that the bulging of a membrane may increase the mean velocity of a particle or reinforce its diffusive behaviour, dependeing on the permeation velocity. The obtained results may help to design new production methods of highly fouling-resistant membranes.