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Journals / Atmospheric Pollution Research / 2016 / Cilt: 7 - Sayı: 2

PCDD/Fs in soil and air and their possible sources in the vicinity of municipal solid waste incinerators in northeastern China

Bo MENG
Wan Li MA
Li-Yan LİU
Ning Zheng ZHU
Wei Wei SONG
Ching Yee LO
James Lİ
Kurunthachalam KANNAN
Yi Fan Lİ
Pages
355–362
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The airesoilexchange analysis showed a net flux of PCDD/F from air to soil at all soil-sampling sites

📌 3 Key Takeaways

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Objective & Hypothesis:Fly ash, flue gas, ambient air, and soil samples were collected to investigate concentrations, profiles, gaseparticle partitioning, and airesoil exchange of polychlorinated dibenzo-p-dioxins and dibenzofurans(PCDD/Fs) in the vicinity of two municipal solid waste incinerators (MSWIs) in Harbin in northeasternChina.
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Key Findings & Data:The PCDD/F concentrations were 11 600e12 300 pg g1 (597e615 pg WHO-TEQ g1) in fly ash and873e1120 fg m3 (51.2e61.9 fg WHO-TEQ m3) in air.
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Conclusion & Impact:The airesoilexchange analysis showed a net flux of PCDD/F from air to soil at all soil-sampling sites
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Özet

Fly ash, flue gas, ambient air, and soil samples were collected to investigate concentrations, profiles, gaseparticle partitioning, and airesoil exchange of polychlorinated dibenzo-p-dioxins and dibenzofurans(PCDD/Fs) in the vicinity of two municipal solid waste incinerators (MSWIs) in Harbin in northeasternChina. The PCDD/F concentrations were 11 600e12 300 pg g1 (597e615 pg WHO-TEQ g1) in fly ash and873e1120 fg m3 (51.2e61.9 fg WHO-TEQ m3) in air. The results of gaseparticle partitioning possiblyindicated the equilibrium state of PCDD/F during sampling period. For soil samples, both Enzyme-linkedimmuno-sorbent assay (ELISA) and high-resolution gas chromatography/high resolution mass spectrometry(HRGC/HRMS) were used. Significant correlations between the results from these two methodsindicated that both methods are useful for PCDD/Fs analysis in soil. PCDD/Fs concentrations in soilsamples ranged from 17.2 to 157 pg g1 (0.59e8.81 pg WHO-TEQ g1). Both Principal ComponentAnalysis (PCA) and Hierarchical Cluster Analysis (HCA) suggested the sources of the emission fromMSWIs and the historical emission from a petroleum refinery to PCDD/Fs in adjacent soils. The airesoilexchange analysis showed a net flux of PCDD/F from air to soil at all soil-sampling sites

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Cite This Article

MENG, B., MA, W. L., LİU, L., ZHU, N. Z., SONG, W. W., LO, C. Y., Lİ, J., KANNAN, K., Lİ, Y. F. (2016). PCDD/Fs in soil and air and their possible sources in the vicinity of municipal solid waste incinerators in northeastern China. Atmospheric Pollution Research, Cilt: 7 - Sayı: 2, 355–362. https://ajindex.com/articles/351603

References (1)

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