Bioaccumulation of PCDD/Fs, PCBs and PBDEs by earthworms in field soils of an E-waste dismantling area in China

Shang, Hongyan; Wang, Pu; Wang, Thanh; Wang, Yawei; Zhang, Haidong; Fu, Jianjie; Ren, Daiwei; Chen, Weihai; Zhang, Qinghua; Jiang, Guibin

doi:10.1016/j.envint.2013.01.006

Cited by 79 publications

(46 citation statements)

References 50 publications

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“…The BSAFs of earthworms (0.51 and 0.42) were within the range of those found in a typical electronic waste dismantling area in east China (range 0.1-3; Shang et al, 2013). There was also a difference in bioaccumulation potential among the different compartments of reeds, where the roots tended to accumulate more PCBs than the reed stem and leaf.…”

Section: Potential Bioaccumulation In Aquatic and Terrestrial Food Webssupporting

confidence: 61%

Distribution of polychlorinated biphenyls in an urban riparian zone affected by wastewater treatment plant effluent and the transfer to terrestrial compartment by invertebrates

Yu¹,

Wang²,

Han³

et al. 2013

Science of The Total Environment

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Section: Potential Bioaccumulation In Aquatic and Terrestrial Food Webssupporting

confidence: 61%

Distribution of polychlorinated biphenyls in an urban riparian zone affected by wastewater treatment plant effluent and the transfer to terrestrial compartment by invertebrates

Yu¹,

Wang²,

Han³

et al. 2013

Science of The Total Environment

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“…The earthworms show similar bioaccumulation for PCDD/Fs as the earthworms in the study of Shang et al (Shang et al, 2013). Heptaand octa-homologues are generally less bioavaiable to earthworms than the lower chlorinated PCDD/Fs congeners.…”

Section: Bioaccumulation Of Pcdd/fs By Earthwormsmentioning

confidence: 55%

“…In this study the earthworm concentrations ranged between 130 and 590 pg/g d.w. for PCDD/Fs (Shang et al, 2013). Based on the assumption that earthworms from this study had a water content of 80% (Dalby et al, 1996), the PCDD/Fs concentration in our earthworm pools range between 1500 and 15,000,000 pg/g d.w.…”

Section: Pcdd/fs Concentrations In Earthwormsmentioning

confidence: 96%

“…The observed variations are probably a natural result of different earthworm species and differences in bioaccumulation between individuals. Factors that could affect uptake and bioaccumulation in earthworms are metabolism, behavior and the duration of exposure through the heterogeneity of the PCDD/Fs distribution in the soil, which varies greatly both horizontally and vertically (Lanno et al, 2004;Henriksson et al, 2013;Shang et al, 2013).…”

Section: Pcdd/fs Concentrations In Earthwormsmentioning

confidence: 99%

“…However, BAFs for individual congeners followed the same distribution in all earthworms exposed to the same soil. According to Shang et al many studies suggest that a steady-state equilibrium of hydrophobic organic contaminants between soil and earthworm could be reach within 30 days (Shang et al, 2013). They also establish that it is difficult to determine the exposure time in the field environment since various factors could affect the bioaccumulation.…”

Section: Bioaccumulation Of Pcdd/fs By Earthwormsmentioning

confidence: 99%

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Uptake and bioaccumulation of PCDD/Fs in earthworms after in situ and in vitro exposure to soil from a contaminated sawmill site

Henriksson

Bjurlid

Rotander

et al. 2017

Science of The Total Environment

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Evaluation of enhanced soil washing process with tea saponin in a peanut oil–water solvent system for the extraction of PBDEs/PCBs/PAHs and heavy metals from an electronic waste site followed by vetiver grass phytoremediation

Sun

Wan³

et al. 2014

J of Chemical Tech & Biotech

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BACKGROUND: Problems associated with PBDEs/PCBs/PAHs and heavy metals mixed contaminated sites have received wide attention. To address the associated environmental concerns, innovative remediation techniques are urgently needed. RESULTS: 5.0 mL L −1 peanut oil and 5.0 g L −1 tea saponin were found to be effective in extracting 94.6%, 97.1%, 95.1%, 83.5%, and 87.1% of PBDEs, PCBs, PAHs, Pb, and Ni, respectively, after two successive washing cycles. Cultivation of vetiver grass and addition of nutrients for 4 months further degraded 45.1%, 36.2%, and 40.2% of the residual PBDEs, PCBs and PAHs, respectively. Pb and Ni removal efficiencies by phytoextraction were 4.1% and 2.0%, respectively. The combined treatment partially restored the microbiological functions of washed soil, as indicated by a significant increase in the number, biomass C, N, and functioning diversity of soil microorganisms (P < 0.05). After treatment, the residual organic pollutants and heavy metals mainly existed as very slowly desorbing fractions and residual fractions, as evaluated by Tenax extraction combined with a first-three-compartment model and sequential extraction. The secondary environmental risk of residual mixed pollutants in the remediated soil was limited. CONCLUSION: The proposed combined cleanup strategy proved to be effective and environmentally friendly. Statistical analysisStatistical analysis was performed using SPSS 14.0. Equation (1) was calculated using SigmaPlot 10.0 software. Mean values were compared by least significant difference at probability level ≤ 5%. The removal rates of pollutants were subsequently calculated. 21

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Bioaccumulation of PCDD/Fs, PCBs and PBDEs by earthworms in field soils of an E-waste dismantling area in China

Cited by 79 publications

References 50 publications

Distribution of polychlorinated biphenyls in an urban riparian zone affected by wastewater treatment plant effluent and the transfer to terrestrial compartment by invertebrates

Distribution of polychlorinated biphenyls in an urban riparian zone affected by wastewater treatment plant effluent and the transfer to terrestrial compartment by invertebrates

Uptake and bioaccumulation of PCDD/Fs in earthworms after in situ and in vitro exposure to soil from a contaminated sawmill site

Evaluation of enhanced soil washing process with tea saponin in a peanut oil–water solvent system for the extraction of PBDEs/PCBs/PAHs and heavy metals from an electronic waste site followed by vetiver grass phytoremediation

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