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Emissions, environmental levels, sources, formation pathways, and analysis of polybrominated dibenzo-p-dioxins and dibenzofurans: a review

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Abstract

Polybrominated dibenzo-p-dioxins and dibenzofurans (PBDD/Fs) were labeled potential persistent organic pollutants by the Stockholm Convention and have structures and toxicities similar to those of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs), which has caused considerable concern. This article reviews the current available literature on the status, sources, formation pathways, and analysis of PBDD/Fs. PBDD/Fs are widely generated in industrial thermal processes, such as those for brominated flame retardant (BFR) products, e-waste dismantling, metal smelting processes, and waste incineration. PBDD/Fs can form via the following routes: precursor formation, de novo formation, biosynthesis, and natural formation. The levels of PBDD/Fs in the environment and in organisms and humans have increased due to extensive consumption and the increasing inventory of BFRs; thus, the risk of human exposure to PBDD/Fs is expected to be high.

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Abbreviations

BFR:

Brominated flame retardant

PBDD/F:

Polybrominated dibenzo-p-dioxins and dibenzofuran

PCDD/F:

Polychlorinated dibenzo-p-dioxins and dibenzofuran

PBB:

Polybrominated diphenyl

PBDE:

Polybrominated diphenyl ether

TBBP-A:

Tetrabromobisphenol A

HBCD:

Hexabromocyclododecane

PAH:

Polycyclic aromatic hydrocarbon

PBP:

Polybrominated phenol

AhR:

Aryl hydrocarbon receptor

TEF:

Toxic equivalency factor

TEQ:

Toxic equivalency

REP:

Relative potencies

DCM:

Dichloromethane

HEX:

n-Hexane

WEEE/EEE:

Waste/electrical and electronic equipment

MSWI:

Municipal solid waste incinerator

IWI:

Industrial waste incinerator

EAF:

Electric arc furnace

EW:

Equipment waste

ALS:

Secondary aluminum smelter

APCD:

Air pollution control device

ASE:

Accelerated solvent extraction

PLE:

Pressurized liquid extraction

APCI:

Atmospheric pressure chemical ionization

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Funding

This work was financially supported by the Environmental Protection Research Fund of Zhejiang Province of China (2017A005 and 2017A006).

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Correspondence to Jinsong Liu.

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Responsible editor: Roland Peter Kallenborn

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Zhou, Y., Liu, J. Emissions, environmental levels, sources, formation pathways, and analysis of polybrominated dibenzo-p-dioxins and dibenzofurans: a review. Environ Sci Pollut Res 25, 33082–33102 (2018). https://doi.org/10.1007/s11356-018-3307-1

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  • DOI: https://doi.org/10.1007/s11356-018-3307-1

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