Potential for octylphenol to biodegrade in some English rivers

Johnson, Andrew C.; White, Craig; Bhardwaj, Lal; Juergens, Monika D.. 2000 Potential for octylphenol to biodegrade in some English rivers. Environmental Toxicology and Chemistry, 19 (10). 2486-2492.

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To study octylphenol biodegradation, samples of river water and sediments were taken from the Aire and Calderr vers in the United Kingdom, running through urban/industrial areas, as well as the Thames River running through a more rural area. Using laboratory microcosms, half-lives of 7 to 50 d were obtained for the water samples, with most curves fitting a zero-order reaction. The Calder River was sampled at four separate points along a 45-km length, encompassing rural to increasingly urban/industrial reaches. Little degradation was observed in the sample from the upland/rural reach, while half-lives of 8 to 13 d were seen in the more urban/industrial reaches. Mineralization of the phenyl ring, detected by evolution of 14CO2 from ring-labeled octylphenol, was only observed in water from the Calder River sample. Degradation rate was similar for a range of concentrations from 0.3 to 100 μ,g/L when tested with river water from the Thames River. No degradation was observed over 83 d when bed sediments were spiked with octylphenol and incubated under anaerobic conditions.

Item Type: Publication - Article
Digital Object Identifier (DOI):
CEH Sections/Science Areas: _ Pre-2000 sections
ISSN: 0730-7268
Additional Keywords: endocrine disruptor, octylphenol, biodegradation, rivers
NORA Subject Terms: Ecology and Environment
Biology and Microbiology
Date made live: 19 Aug 2015 09:13 +0 (UTC)

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