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Potential for octylphenol to biodegrade in some english rivers
Author(s) -
Johnson Andrew C.,
White Craig,
Bhardwaj Lal,
Jürgens Monika D.
Publication year - 2000
Publication title -
environmental toxicology and chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.1
H-Index - 171
eISSN - 1552-8618
pISSN - 0730-7268
DOI - 10.1002/etc.5620191014
Subject(s) - microcosm , biodegradation , mineralization (soil science) , environmental science , environmental chemistry , hydrology (agriculture) , degradation (telecommunications) , environmental engineering , ecology , chemistry , soil water , geology , soil science , biology , geotechnical engineering , telecommunications , computer science
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 14 CO 2 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.