globalchange  > 气候减缓与适应
DOI: 10.1016/j.watres.2018.06.039
Scopus ID: 2-s2.0-85049340102
Carbon and hydrogen isotope analysis of parathion for characterizing its natural attenuation by hydrolysis at a contaminated site
Author: Wu L.; Verma D.; Bondgaard M.; Melvej A.; Vogt C.; Subudhi S.; Richnow H.H.
Source Publication: Water Research
ISSN: 431354
Publishing Year: 2018
Volume: 143
pages begin: 146
pages end: 154
Language: 英语
Keyword: CSIA ; Field application ; In situ hydrolysis ; Isotope fractionation ; Parathion
Scopus Keyword: Aquifers ; Carbon ; Groundwater pollution ; Groundwater resources ; Hydrogen ; Hydrolysis ; Isotopes ; Pesticides ; CSIA ; Field application ; Isotope fractionation ; Parathion ; Situ hydrolysis ; Natural attenuation ; carbon ; ground water ; hydrogen ; organophosphate pesticide ; parathion ; phosphorothioic acid ; well water ; acidity ; aquifer ; aquifer pollution ; carbon isotope ; carbon isotope ratio ; chemical compound ; experimental study ; hydrogen isotope ; hydrolysis ; in situ measurement ; isotopic analysis ; isotopic fractionation ; landfill ; natural attenuation ; organophosphorus pesticide ; well water ; aquifer ; Article ; attenuation ; calculation ; controlled study ; degradation ; extraction ; fractionation ; hydrolysis ; isotope analysis ; landfill ; monitoring ; priority journal ; soil pollution
English Abstract: The applicability of compound-specific isotope analysis (CSIA) for assessing in situ hydrolysis of parathion was investigated in a contaminated aquifer at a former pesticide wastes landfill site. Stable isotope analysis of parathion extracted from groundwater taken from different monitoring wells revealed a maximum enrichment in carbon isotope ratio of +4.9‰ compared to the source of parathion, providing evidence that in situ hydrolysis took place. Calculations based on the Rayleigh-equation approach indicated that the natural attenuation of parathion was up to 8.6% by hydrolysis under neutral and acidic conditions. In degradation experiments with aerobic and anaerobic parathion-degrading microbes, no carbon and hydrogen isotope fractionation of parathion were observed. For the first time, CSIA has been applied for the exclusive assessment of the hydrolysis of phosphorothioate-containing organophosphorus pesticides at a contaminated field site. © 2018 Elsevier Ltd
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Document Type: 期刊论文
Appears in Collections:气候减缓与适应

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Affiliation: Department of Isotope Biogeochemistry, Helmholtz Centre for Environmental Research-UFZ, Permoserstraße 15, Leipzig, 04318, Germany; Environmental and Industrial Biotechnology Division, The Energy and Resources Institute, New Delhi, 110003, India; Department of Environment, Central Denmark Region, Lægårdvej 10, Holstebro, 7500, Denmark

Recommended Citation:
Wu L.,Verma D.,Bondgaard M.,et al. Carbon and hydrogen isotope analysis of parathion for characterizing its natural attenuation by hydrolysis at a contaminated site[J]. Water Research,2018-01-01,143
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