Role of Coagulation in the Kinetics of Sedimentation

Kevin J. Farley, Françols M. Morel

Research output: Contribution to journalArticlepeer-review

93 Scopus citations


The combined results of analytical, numerical, and laboratory studies are used in examining the kinetic behavior of sedimentation in well-mixed systems. The rate of mass removal of solids, dC/dt, as a function of mass concentration C, can be described as the sum of three power laws, dC/dt =-BdsC2. 3-BshC1.9-BbC1.3, each term of which corresponds to a particular coagulation mechanism: differential settling, shear, and Brownian motion. Empirical relationships for the coefficients Bds, Bsh, and Bb as a function of system parameters are provided.

Original languageEnglish (US)
Pages (from-to)187-195
Number of pages9
JournalEnvironmental Science and Technology
Issue number2
StatePublished - Feb 1986

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • Environmental Chemistry


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