Nonequilibrium sorption and aerobic biodegradation of dissolved alkylbenzenes during transport in aquifer material: column experiments and evaluation of a coupled-process model

J. T. Angley, Mark L Brusseau, W. L. Miller, J. J. Delfino

Research output: Chapter in Book/Report/Conference proceedingChapter

70 Citations (Scopus)

Abstract

First-order biodegradation rate constants decreased with decreasing number of C in the alkyl groups and exhibited a correlation with molecular structure as measured by molecular connectivity. For three series of isomers, the rate constant for the isomer with substituent in the ortho position was smaller than the rate constant for the other isomers. Predictions obtained with the coupled-process model, wherein sorption was assumed to be rate limited, matched the breakthrough curves better than did predictions obtained with a model wherein sorption was assumed to be instantaneous. Accordingly, the assumptions upon which use of the model was based, eg biodegradation occurs only in solution and without a significant acclimation period, and can be simulated with a first-order equation, appear to valid. -from Authors

Original languageEnglish (US)
Title of host publicationEnvironmental Science & Technology
Pages1404-1410
Number of pages7
Volume26
Edition7
StatePublished - 1992

Fingerprint

Biodegradation
Aquifers
Isomers
Sorption
Rate constants
biodegradation
sorption
aquifer
experiment
Experiments
Molecular structure
breakthrough curve
prediction
acclimation
connectivity
evaluation
rate
material
isomer

ASJC Scopus subject areas

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)
  • Environmental Engineering
  • Environmental Chemistry

Cite this

Nonequilibrium sorption and aerobic biodegradation of dissolved alkylbenzenes during transport in aquifer material : column experiments and evaluation of a coupled-process model. / Angley, J. T.; Brusseau, Mark L; Miller, W. L.; Delfino, J. J.

Environmental Science & Technology. Vol. 26 7. ed. 1992. p. 1404-1410.

Research output: Chapter in Book/Report/Conference proceedingChapter

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