Particle deposition onto a permeable surface in laminar flow

Lianfa Song, Menachem Elimelech

Research output: Contribution to journalArticlepeer-review

118 Scopus citations


A theoretical investigation of particle deposition onto a permeable surface in a parallel-plate channel is presented in this paper. The convective diffusion equation is rigorously formulated with the inclusion of lateral transport due to permeation drag and inertial lift, and transport due to gravitational, double layer, and van derWaals forces. A numerical procedure for solving the governing equation is also presented. The effects of particle size, permeation velocity, solution ionic strength, cross-flow velocity, and particle density on the initial rate of particle deposition are investigated. Results point out that the local and average particle deposition rates onto a permeable surface are determined by an interplay between several transport and interaction mechanisms, among which permeation drag, electric double layer repulsion, and inertial lift are most important.

Original languageEnglish
Pages (from-to)165-180
Number of pages16
JournalJournal of Colloid And Interface Science
Issue number1
StatePublished - Jul 1995


  • Colloid deposition, permeable surface
  • Membrane fouling, colloids
  • Membranes, particle deposition
  • Particle transport, permeable channel
  • Permeable surface, particle deposition


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