Historical Occurrence and Composition of Novel Brominated Flame Retardants and Dechlorane Plus in Sediments from an Electronic Waste Recycling Site in South China
文献类型：期刊论文
| 作者 | Huang, Chenchen1,5,6; Zeng, Yanhong2,4,5,6; Liu, Yin-E1,5,6; Zhang, Yanting4,5,6; Guo, Jian3; Luo, Xiaojun2,4,5,6 ; Mai, Bixian2,4,5,6
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| 刊名 | TOXICS
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| 出版日期 | 2024 |
| 卷号 | 12期号:1页码:12 |
| 关键词 | novel brominated flame retardants dechlorane plus e-waste recycling site historical occurrence composition profile |
| DOI | 10.3390/toxics12010084 |
| 英文摘要 | Novel brominated flame retardants (NBFRs) and dechlorane plus (DP) have been widely used as alternatives to traditional BFRs. However, little is known about the temporal trends of NBFR and DP pollution in e-waste recycling sites. In the current study, three composite sediment cores were collected from an e-waste-polluted pond located in a typical e-waste recycling site in South China to investigate the historical occurrence and composition of NBFRs and DP. The NBFRs and DP were detected in all layers of the sediment cores with concentration ranges of 5.71 similar to 180,895 and 4.95 similar to 109,847 ng/g dw, respectively. Except for 2,3,5,6-tetrabromo-p-xylene (pTBX) and 2,3,4,5,6-pentabromoethylbenzene (PBEB), all the NBFR compounds and DP showed a clear increasing trend from the bottom to top layers. These results implied the long-term and severe contamination of NBFRs and DP. Decabromodiphenyl ethane (DBDPE) was the most abundant NBFR with the contribution proportions of 58 +/- 15%, 73 +/- 15%, and 71 +/- 18% in three sediment cores, followed by 1,2-bis(2,4,6-tribromophenoxy) ethane (BTBPE) and pentabromobenzene (HBB). The ratios of BTBPE/Octa-BDEs and DBDPE/Deca-BDEs varied from 0.12 to 60 and from 0.03 to 0.49, respectively, which had no clear increase trends with a decrease in sediment depth. As for DP, the f(anti) values (the concentration ratios of anti-DP to the sum of anti-DP and syn-DP) in sediment cores ranged from 0.41 to 0.83, almost falling in the range of those in DP technical products, suggesting that DP degradation did not occur in sediment cores. The environmental burdens of DBDPE, BTBPE, HBB, PBT, PBEB, pTBX, and DP were estimated to be 34.0, 5.67, 10.1, 0.02, 0.02, 0.01, and 34.8 kg, respectively. This work provides the first insight into the historical contamination status of NBFRs and DP in the sediments of an e-waste recycling site. |
| WOS研究方向 | Environmental Sciences & Ecology ; Toxicology |
| 语种 | 英语 |
| WOS记录号 | WOS:001153068300001 |
| 源URL | [http://ir.gig.ac.cn/handle/344008/76206]  |
| 专题 | 有机地球化学国家重点实验室 |
| 通讯作者 | Zeng, Yanhong |
| 作者单位 | 1.China Univ Min & Technol, Sch Environm Sci & Spatial Informat, Xuzhou 221116, Peoples R China 2.Guangdong Prov Key Lab Environm Protect & Resource, Guangzhou 510640, Peoples R China 3.Guangdong Univ Petrochem Technol, Maoming 525000, Peoples R China 4.Chinese Acad Sci, Guangzhou Inst Geochem, Guangdong Hong Kong Macao Joint Lab Environm Pollu, Guangzhou 510640, Peoples R China 5.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Peoples R China 6.Chinese Acad Sci, Guangzhou Inst Geochem, Guangdong Prov Key Lab Environm Protect & Resource, Guangzhou 510640, Peoples R China |
| 推荐引用方式 GB/T 7714 | Huang, Chenchen,Zeng, Yanhong,Liu, Yin-E,et al. Historical Occurrence and Composition of Novel Brominated Flame Retardants and Dechlorane Plus in Sediments from an Electronic Waste Recycling Site in South China[J]. TOXICS,2024,12(1):12. |
| APA | Huang, Chenchen.,Zeng, Yanhong.,Liu, Yin-E.,Zhang, Yanting.,Guo, Jian.,...&Mai, Bixian.(2024).Historical Occurrence and Composition of Novel Brominated Flame Retardants and Dechlorane Plus in Sediments from an Electronic Waste Recycling Site in South China.TOXICS,12(1),12. |
| MLA | Huang, Chenchen,et al."Historical Occurrence and Composition of Novel Brominated Flame Retardants and Dechlorane Plus in Sediments from an Electronic Waste Recycling Site in South China".TOXICS 12.1(2024):12. |
入库方式： OAI收割
来源：广州地球化学研究所
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