Predicting the biodegradation of target hydrocarbons in the presence of mixed contaminants in soil.

Stroud, Jacqueline L. and Paton, Graeme I. and Semple, Kirk T. (2009) Predicting the biodegradation of target hydrocarbons in the presence of mixed contaminants in soil. Chemosphere, 74 (4). pp. 563-567. ISSN 0045-6535

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Abstract

The aim of this study was to investigate the prediction of 14C-phenanthrene and 14C-hexadecane biodegradation in the presence of other hydrocarbons in soil using β- and α-cyclodextrin (CD) solutions, respectively. Prediction of the biodegradation of 14C-phenanthrene using the β-CD extraction was robust under single, co-contaminant and multiple contaminant conditions (r2 = 0.92, slope of best fit line = 0.87, intercept = 7.24, n = 84). Prediction of 14C-hexadecane using the α-CD extraction was robust under single and co-contaminant conditions (r2 = 0.92, slope of best fit line = 0.97, intercept = 1.24, n = 60); however, the α-CD could not accurately predict 14C-hexadecane biodegradation in the presence of multiple contaminants. The presence of multiple contaminants enhanced 14C-hexadecane mineralisation, but did not enhance extractability. The results from this study provide further evidence for the application of HPCD extractions for the measurement of microbial accessibility in soil.

Item Type:
Journal Article
Journal or Publication Title:
Chemosphere
Uncontrolled Keywords:
/dk/atira/pure/researchoutput/libraryofcongress/ge
Subjects:
?? BIODEGRADATIONHEXADECANEPHENANTHRENEHP-α-CDHP-β-CDENVIRONMENTAL CHEMISTRYCHEMISTRY(ALL)GE ENVIRONMENTAL SCIENCES ??
ID Code:
30726
Deposited By:
Deposited On:
02 Dec 2009 11:13
Refereed?:
Yes
Published?:
Published
Last Modified:
15 Sep 2023 03:53