Particle segregation during pressure filtration for cast formation

P. Maarten Biesheuvel

Research output: Contribution to journalArticleAcademicpeer-review

15 Citations (Scopus)

Abstract

When pressure filtration is used to produce composite materials from a mixed suspension, segregation of the different particle types is apt to occur due to different sedimentation velocities. This results in an inhomogeneous, thus inferior product. To understand and reduce segregation, a model is proposed to describe segregation due to gravitational settling during pressure filtration from a dispersed suspension consisting of two types of particles with different sizes and/or densities. The model combines the consolidation mechanisms of sedimentation and filtration and predicts the composition profile in the formed material. Experimentally determined cast profiles are in good agreement with model predictions.
Original languageEnglish
Pages (from-to)2595-2606
Number of pages12
JournalChemical engineering science
Volume55
Issue number14
DOIs
Publication statusPublished - 2000

Keywords

  • Suspension processing
  • Sedimentation
  • Segregation
  • Filter pressing
  • Filtration
  • Cast formation

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