Modeling the transport of solutes influenced by multiprocess nonequilibrium

Mark L Brusseau, R. E. Jessup, P. S C Rao

Research output: Contribution to journalArticle

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Abstract

The multiprocess nonequilibrium (MPNE) model is specifically formulated for cases where nonequilibrium is caused by a combination of transport- and sorption-related processes. Sensitivity analyses were performed to delineate the conditions under which the MPNE model reduces to the biocontinuum and to the local equilibrium models. These conditions are strongly controlled by the magnitude of the dimensionless rate parameters. Performance of the MPNE model was evaluated with several published data sets. An empirical regression equation was successfully used to estimate values for sorption rate constants required in the MPNE model. The MPNE model, with values for all parameters obtained from independent sources, predicted behaviour exhibited by the data. -from Authors

Original languageEnglish (US)
Pages (from-to)1971-1988
Number of pages18
JournalWater Resources Research
Volume25
Issue number9
Publication statusPublished - 1989
Externally publishedYes

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ASJC Scopus subject areas

  • Environmental Science(all)
  • Environmental Chemistry
  • Aquatic Science
  • Water Science and Technology

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