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Effect of soil aggregation on the biodegradation of phenanthrene aged in soil
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Nam, Kyoungphile | - |
dc.contributor.author | Kim, Jae Young | - |
dc.contributor.author | Oh, Dong Ik | - |
dc.date.accessioned | 2009-09-04T06:52:18Z | - |
dc.date.available | 2009-09-04T06:52:18Z | - |
dc.date.issued | 2003-01 | - |
dc.identifier.citation | Environ. Pollut. 121, 147-151 | en |
dc.identifier.issn | 0269-7491 | - |
dc.identifier.uri | https://hdl.handle.net/10371/8694 | - |
dc.description.abstract | A study was conducted to determine the possible role of soil aggregates in the sequestration of phenanthrene and thus in the
declined biodegradation of the hydrocarbon. Phenanthrene aged in Lima loam (2-mm aggregates) showed declined biodegradation with time of aging to the test bacterium P5-2 capable of using sorbed phenanthrene. In contrast, the compound aged in a soil reconstructed with 68% clay–silt and 32% sand that had been separated from the Lima loam was readily mineralized. The percentages of each fraction used were the same as those of the original soil. Biodegradation of aged phenanthrene was not affected significantly by varying the ratios of each fraction in reconstructed mixtures. In experiments with Lima loam, its clay–silt fraction,and its sand fraction, mineralization extent was much lower in soil aggregates compared with the other samples while all had similar organic carbon content of ca. 1.51%. This suggests that aggregation may be another important determinant in the reduced biodegradation of aged phenanthrene. | en |
dc.description.sponsorship | The authors thank Dr. Martin Alexander for providing
partial financial support and invaluable guidance during this work. We are also grateful to the Research Division of Seoul National University/Hanyang University for Social Infrastructure and Construction Technology and the Institute of Engineering Science at Seoul National University for partial financial support during the preparation of this manuscript. | en |
dc.language.iso | en | - |
dc.publisher | Elsevier | en |
dc.subject | Phenanthrene | en |
dc.subject | Aging | en |
dc.subject | Biodegradation | en |
dc.subject | Soil aggregates | en |
dc.subject | Soil components | en |
dc.title | Effect of soil aggregation on the biodegradation of phenanthrene aged in soil | en |
dc.type | Article | en |
dc.contributor.AlternativeAuthor | 남경필 | - |
dc.contributor.AlternativeAuthor | 김재영 | - |
dc.contributor.AlternativeAuthor | 오동익 | - |
dc.identifier.doi | 10.1016/S0269-7491(02)00181-1 | - |
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