Distribution of PAH residues in humic and mineral fractions of sediments from stormwater infiltration basins

El-Mufleh, Amelène; Bechet, Béatrice; Grasset, Laurent; Rodier, C.; Gaudin, A.; Ruban, Véronique

doi:10.1007/s11368-012-0586-x

Cited by 11 publications

(5 citation statements)

References 31 publications

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“…It also solubilizes fat components enough to allow the upper phase to separate from the water phase. Furthermore, MIBK has already been used for atomic absorption spectrometry owing to its lower level of contamination by metals (Cabrera-Vique et al, 2012;El-Mufleh et al, 2013;List et al, 1971).…”

Section: Introductionmentioning

confidence: 99%

Simple analysis of total mercury and methylmercury in seafood using heating vaporization atomic absorption spectrometry

et al. 2016

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This study aimed to develop a simpler method for determining total mercury (T-Hg) and methylmercury (MeHg) in biological samples by using methyl isobutyl ketone (MIBK) in the degreasing step. The fat in the samples was extracted by MIBK to the upper phase. T-Hg transferred into the water phase. This was followed by the extraction of MeHg from the water phase using HBr, CuCl2 and toluene. The MeHg fraction was reverse-extracted into L-cysteine-sodium acetate solution from toluene. The concentrations of T-Hg and MeHg were determined by heating vaporization atomic absorption spectrometry. Certified reference materials for T-Hg and MeHg in hair and fish were accurately measured using this method. This method was then applied to determine T-Hg and MeHg concentrations in the muscle, liver and gonads of seafood for the risk assessment of MeHg exposure. The mean T-Hg and MeHg concentrations in squid eggs were 0.023 and 0.022 µg/g, and in squid nidamental glands 0.052 and 0.049 µg/g, respectively. The MeHg/T-Hg ratios in the eggs and nidamental glands of squid were 94.4% and 96.5%, respectively. The mean T-Hg and MeHg concentrations in the gonads of sea urchins were 0.043 and 0.001 µg/g, respectively, with a MeHg/T-Hg ratio of 3.5%. We developed an efficient analytical method for T-Hg and MeHg using MIBK in the degreasing step. The new information on MeHg concentration and MeHg/T-Hg ratios in the egg or nidamental glands of squid and gonads of sea urchin will also be useful for risk assessment of mercury in seafood.

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Section: Introductionmentioning

confidence: 99%

Simple analysis of total mercury and methylmercury in seafood using heating vaporization atomic absorption spectrometry

et al. 2016

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“…[4][5][6][7] Based on these studies, it can be concluded that most of the stormwater sediments are contaminated by heavy metals, phosphorus, trace organic and hydrocarbon and cannot be disposed of without treatment. [5][6][7][8][9][10] Generally, the current disposal treatment options fall into one of three different types, namely (1) biological; (2) chemical/immobilization; and (3) thermal processes. A wide variety of organics and heavy metals associated with stormwater sediment was reported.…”

Section: Introductionmentioning

confidence: 99%

Thermal plasma treatment of stormwater sediments: comparison between DC non-transferred and partially transferred arc plasma

Guo

Chang³

et al. 2015

Environmental Technology

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The disposal of enormous amount of stormwater sediments becomes an emerging worldwide problem. Stormwater sediments are contaminated by heavy metals, phosphorus, trace organic and hydrocarbons, and cannot be disposed without treatment. Thermal plasma decontamination technology offers a high decomposition rate in a wide range of toxic organic compound and immobilization of heavy metal. In this study, we compared the treatment results between two different modes of thermal plasma: (1) a non-transferred direct current (DC) mode and (2) a partial DC-transferred mode. The reductions of total organic carbon (TOC) were, respectively, 25% and 80% for non-transferred and partially transferred plasma, respectively. Most of the toxic organic compounds were converted majorly to CxHy. In the gaseous emission, the accumulated CxHy, CO, NO and H2S were significantly higher in partially transferred mode than in non-transferred mode. The solid analysis demonstrated that the concentrations of Ca and Fe were enriched by 500% and 40%, respectively. New chemical compositions such as KAlSi3O8, Fe3O4, NaCl and CaSO4 were formed after treatment in partially DC-transferred mode. The power inputs were 1 and 10 kW, respectively, for non-transferred DC mode and a partially DC-transferred mode. With a lower energy input, non-transferred plasma treatment can be used for decontamination of sediments with low TOC and metal concentration. Meanwhile, partially transferred thermal plasma with higher energy input is suitable for treating sediments with high TOC percentage and volatile metal concentration. The organic compounds are converted into valuable gaseous products which can be recycled as an energy source.

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“…Finally, four RDS were sampled on the road bordering the river sampling site at Viry. The samples were freeze-dried and sieved to 200 µm as PAH are considered to be mainly associated with the fine particle fraction (Pratt and Lottermoser, 2007) and the size of particles washed during runoff is mainly under 300 µm (El-Mufleh et al, 2011;Revitt et al, 2014;Roger et al, 1998).…”

Section: Sampling and Pah Analysismentioning

confidence: 99%

Innovative combination of tracing methods to differentiate between legacy and contemporary PAH sources in the atmosphere-soil-river continuum in an urban catchment (Orge River, France)

Froger

Ayrault

Gaspéri

et al. 2019

Science of The Total Environment

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Polycyclic aromatic hydrocarbons (PAH) have been released by human activities during more than a century, contaminating the entire atmospheresoilriver continuum. Due to their ubiquity in the environment and their potential severe biological impacts, PAH became priority pollutants and were targeted by environmental public agencies. To better manage PAH pollution, it is necessary to identify unambiguously the sources and pathways of those compounds at the catchment scale, and to evaluate the persistence of historical PAH pollution in the environment especially in those urban contexts concentrating multiple PAH sources. Accordingly, the current research monitored the contamination in atmospheric fallout, soils and rivers of a 950-km 2 catchment (Orge River) characterized by an increasing urban gradient in downstream direction, and located in the Seine River basin characterized by a high level of PAH legacy contamination. A combination of various approaches was used, including the widely used PAH diagnostic ratios, together with innovative methods such as PAH correlations and sediment fingerprinting using fallout radionuclides to clearly identify both the origin of PAH and their main PAH pathways to the river. The results demonstrated the persistence of legacy PAH contamination in the catchment, responsible for the signature of the suspended particulate matter currently transiting in the Orge River. They underlined the conservation of PAH through the soilriver continuum. Finally, urban runoff was demonstrated to provide the main PAH source to the river in the densely urbanized area by both PAH correlations and sediment fingerprinting. These results were used to model PAH concentrations in those particles supplied from urban areas to the river.

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Distribution of PAH residues in humic and mineral fractions of sediments from stormwater infiltration basins

Cited by 11 publications

References 31 publications

Simple analysis of total mercury and methylmercury in seafood using heating vaporization atomic absorption spectrometry

Simple analysis of total mercury and methylmercury in seafood using heating vaporization atomic absorption spectrometry

Thermal plasma treatment of stormwater sediments: comparison between DC non-transferred and partially transferred arc plasma

Innovative combination of tracing methods to differentiate between legacy and contemporary PAH sources in the atmosphere-soil-river continuum in an urban catchment (Orge River, France)

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