Impact of Zn and Cu on the development of phenanthrene catabolism in soil

Obuekwe, Ifeyinwa S. and Semple, Kirk T. (2013) Impact of Zn and Cu on the development of phenanthrene catabolism in soil. Environmental Monitoring and Assessment, 185 (12). pp. 10039-10047. ISSN 0167-6369

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Abstract

Mixtures of polycyclic aromatic hydrocarbons (PAHs) and heavy metals are of major concern in contaminated soil. Biodegradation of PAHs in metal-contaminated soils is complicated because metals are toxic and cannot be degraded by biological processes. This investigation considered the effects of Zn and Cu (50, 100, 500 and 1,000 mg/kg) on (14)C-phenanthrene biodegradation in soil over 60-day contact time. The presence of Zn at all concentrations and low concentrations of Cu (50 and 100 mg/kg) had no significant effect (p > 0.05) on the development of phenanthrene catabolism; however, at higher Cu concentrations, the development of phenanthrene catabolism and bacterial cell numbers were significantly reduced (p

Item Type:
Journal Article
Journal or Publication Title:
Environmental Monitoring and Assessment
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2300/2300
Subjects:
?? zinccopperphenanthrenecatabolismsoilgeneral environmental sciencepollutionmanagement, monitoring, policy and lawenvironmental science(all) ??
ID Code:
67059
Deposited By:
Deposited On:
09 Oct 2013 08:24
Refereed?:
Yes
Published?:
Published
Last Modified:
16 Jul 2024 09:27