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Relationship between biodegradation rate and percentage of a compound that becomes sequestered in soil

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Authors
Nam, Kyoungphile; Alexander, Martin
Issue Date
2001-05
Publisher
Elsevier
Citation
Soil Biology and Biochemistry 33, 787-792
Keywords
AgingBioavailabilityBiodegradationSequestration
Abstract
A study was conducted to determine whether the rate of biodegradation of phenanthrene determines the extent of its sequestration. Samples of a single soil type with different biodegradative activities were used, Various rates of biodegradation were obtained by use of different incubation temperatures, adding a bacterial culture or both. Much of the compound became biologically unavailable (sequestered) when the initial rates of biodegradation were slow, and little remained if the soil had high degradative activity, A portion of the compound remaining in soils with previously low activity was degraded if the soil samples were reinoculated and incubated under favorable conditions, but a significant amount of the compound was still microbiologically unavailable. The data show that the percentage of a compound that will be sequestered in a microbiologically unavailable form is determined by the initial rate of its biodegradation in soil.
ISSN
0038-0717
Language
English
URI
http://hdl.handle.net/10371/8716
DOI
https://doi.org/10.1016/S0038-0717(00)00226-1
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Civil & Environmental Engineering (건설환경공학부)Journal Papers (저널논문_건설환경공학부)
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