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Environmental occurrence and remediation of emerging organohalides: A review
He, Haozheng1; Li, Yiyang1; Shen, Rui1; Shim, Hojae3; Zeng, Yanhong2; Zhao, Siyan4; Lu, Qihong1,2; Mai, Bixian2; Wang, Shanquan1
Source PublicationEnvironmental Pollution

As replacements for “old” organohalides, such as polybrominated diphenyl ethers (PBDEs) and polychlorinated biphenyls (PCBs), “new” organohalides have been developed, including decabromodiphenyl ethane (DBDPE), short-chain chlorinated paraffins (SCCPs), and perfluorobutyrate (PFBA). In the past decade, these emerging organohalides (EOHs) have been extensively produced as industrial and consumer products, resulting in their widespread environmental distribution. This review comprehensively summarizes the environmental occurrence and remediation methods for typical EOHs. Based on the data collected from 2015 to 2021, these EOHs are widespread in both abiotic (e.g., dust, air, soil, sediment, and water) and biotic (e.g., bird, fish, and human serum) matrices. A significant positive correlation was found between the estimated annual production amounts of EOHs and their environmental contamination levels, suggesting the prohibition of both production and usage of EOHs as a critical pollution-source control strategy. The strengths and weaknesses, as well as the future prospects of up-to-date remediation techniques, such as photodegradation, chemical oxidation, and biodegradation, are critically discussed. Of these remediation techniques, microbial reductive dehalogenation represents a promising in situ remediation method for removal of EOHs, such as perfluoroalkyl and polyfluoroalkyl substances (PFASs) and halogenated flame retardants (HFRs).

KeywordDehalogenation Emerging Organohalides Hfrs Pfass Pops Remediation
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Indexed BySCIE
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000697050100008
Scopus ID2-s2.0-85113973039
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Cited Times [WOS]:10   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorLu, Qihong
Affiliation1.Environmental Sun Yat Sen Univ, Sch Environm Sci & Engn, Environm Microbi Res Ctr, Guangdong Prov Key Lab Environm Pollut Control, Guangzhou 510006, Peoples R China
2.State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, China
3.Department of Civil and Environmental Engineering, Faculty of Science and Technology, University of Macau, Macau SAR, 999078, China
4.School of Environmental Science and Engineering, Nanjing Tech University, Nanjing, 211816, China
Recommended Citation
GB/T 7714
He, Haozheng,Li, Yiyang,Shen, Rui,et al. Environmental occurrence and remediation of emerging organohalides: A review[J]. Environmental Pollution,2021,290.
APA He, Haozheng,Li, Yiyang,Shen, Rui,Shim, Hojae,Zeng, Yanhong,Zhao, Siyan,Lu, Qihong,Mai, Bixian,&Wang, Shanquan.(2021).Environmental occurrence and remediation of emerging organohalides: A review.Environmental Pollution,290.
MLA He, Haozheng,et al."Environmental occurrence and remediation of emerging organohalides: A review".Environmental Pollution 290(2021).
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