Flux decline in crossflow microfiltration and ultrafiltration: Mechanisms and modeling of membrane fouling

Research output: Contribution to journalArticle

264 Scopus citations

Abstract

Flux decline in crossflow ultrafiltration and microfiltration was investigated by perceiving membrane fouling as a dynamic process from non-equilibrium to equilibrium. Under the influence of the boundary condition at the initial section and cross flow, the equilibrium is first reached at the initial section of the crossflow filter and the front of the equilibrium region progesses with time toward the end of the filter. A mathematical model was developed to describe this dynamic process and a closed-form solution of the model was provided. With the model, the time-dependent flux and the time required to reach the steady state in a crossflow filtration can be easily determined. The fouling process under different conditions is simulated as an illustration and demonstration of the newly developed model.

Original languageEnglish
Pages (from-to)183-200
Number of pages18
JournalJournal of Membrane Science
Volume139
Issue number2
DOIs
StatePublished - Feb 18 1998

Keywords

  • Fouling dynamics
  • Mechanisms
  • Microfiltration
  • Modeling
  • Ultrafiltration

Fingerprint Dive into the research topics of 'Flux decline in crossflow microfiltration and ultrafiltration: Mechanisms and modeling of membrane fouling'. Together they form a unique fingerprint.

  • Cite this