Kinetic studies of attachment and detachment of microbial cells from soil

Research output: Contribution to journalArticle

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Abstract

A mathematical model was developed to describe the kinetics of cell attachment and detachment from soil. Soil-column experiments were performed to evaluate the model parameters. Pseudomonas putida G7 capable of degrading naphthalene was used as a model microorganism. A sediment sample taken from an uncontaminated area near a coal tar waste site in upstate New York, USA was used as a test soil. The kinetics of cell attachment and detachment from the model soil could be described by the developed first-order model. The equilibrium constant of attachment (11.4 ml g−1), the rate coefficient of cell attachment (0.299 ml g−1 min−1), and the rate coefficient of cell detachment (0.0263 min−1) were determined from the soil-column experiments. The equilibrium constant of attachment determined in this study (11.4 ml g−1) was within the range of those reported in the literature for bacterial attachment to soil (0.55 to 12.6 ml g−1). The kinetic model successfully predicted the data of batch experiments for cell attachment and detachment from soil.

Original languageEnglish
Pages (from-to)411-418
Number of pages8
JournalEnvironmental Technology (United Kingdom)
Volume24
Issue number4
DOIs
Publication statusPublished - 2003 Apr 1

Fingerprint

Soils
kinetics
Kinetics
soil
soil column
Equilibrium constants
coal tar
Cells
Coal Tar
experiment
soil test
naphthalene
Experiments
Microorganisms
microorganism
Sediments
Mathematical models
sediment
rate

All Science Journal Classification (ASJC) codes

  • Environmental Chemistry
  • Water Science and Technology
  • Waste Management and Disposal

Cite this

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Kinetic studies of attachment and detachment of microbial cells from soil. / Ahn, I. S.; Lee, C. H.

In: Environmental Technology (United Kingdom), Vol. 24, No. 4, 01.04.2003, p. 411-418.

Research output: Contribution to journalArticle

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AU - Lee, C. H.

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