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Anaerobic Degradation of Nonylphenol Mono- and Diethoxylates in Digestor Sludge, Landfilled Municipal Solid Waste, and Landfilled Sludge
Linköping University, The Tema Institute, Department of Water and Environmental Studies. Linköping University, Faculty of Arts and Sciences.
Swedish University of Agricultural Sciences, Uppsala, Sweden.
Swedish University of Agricultural Sciences, Uppsala, Sweden.
Stockholm University, Stockholm, Sweden.
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1999 (English)In: Environmental Science and Technology, ISSN 1086-931X, E-ISSN 1520-6912, Vol. 33, no 2, 301-306 p.Article in journal (Refereed) Published
Abstract [en]

The aim of this study was to investigate the extent to which anaerobic digestor sludge, landfilled sludge, and landfilled municipal solid waste (MSW) degrade NPEOs under methanogenic conditions. NPEO1 and NPEO2 (NPEO1-2), used in a mixture, were chosen as model compounds. Anaerobic experimental bottles were amended with 100% digestor sludge at three different concentrations of NPEO1-2:  2, 60, and 308 mg L-1. [U-14C]-NPEO1-2 was used to detect any possible decomposition of the aromatic moiety of the NPEO1-2. All inoculates used degraded NPEO1-2 at 2 mg L-1, with nonylphenol (NP) forming the ultimate degradation product. The NP formed was not further degraded, and the incubations with labeled NPEO showed that the aromatic structure remained intact. Both landfill inoculates also transformed NPEO1-2 at 60 mg L-1. CH4 production was temporarily hampered in bottles with MSW landfill inoculum at 60 and 308 mg L-1. With 2 mg L-1 of NPEO, CH4 production closely followed that in the controls. Both NP and NPEO1-2 interacted with the organic matter which resulted in sorption to the solid phase.        

Place, publisher, year, edition, pages
1999. Vol. 33, no 2, 301-306 p.
National Category
Social Sciences Interdisciplinary
URN: urn:nbn:se:liu:diva-33491DOI: 10.1021/es980669uISI: 000078213600015Local ID: 19515OAI: diva2:254314
Available from: 2009-10-09 Created: 2009-10-09 Last updated: 2015-05-28Bibliographically approved

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Svensson, Bo
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