Ozone Oxidation of the Flame Retardant BDE-209: Kinetics and Molecular-Level Analysis of the Gas-Phase Product Compounds
文献类型：期刊论文
| 作者 | Liu, Siyu2,3,4,5,6; Xu, Jinli2,3,4,5,6; Xie, Yingxin2,3,4,5,6; He, Bowen2,3,4,5,6; Deng, Qingxin2,3,4,5,6; Hu, Yanan7,8; Liu, Jiangping7,8; Vione, Davide1; Li, Xue9; Gligorovski, Sasho2,3,4,5,10 |
| 刊名 | ACS EARTH AND SPACE CHEMISTRY
 |
| 出版日期 | 2024-11-04 |
| 卷号 | 8期号:11页码:2166-2175 |
| ISSN号 | 2472-3452 |
| DOI | 10.1021/acsearthspacechem.4c00162 |
| 英文摘要 | Polybrominated diphenyl ether (PBDE) flame retardants are persistent organic pollutants that are ubiquitous in both indoor and outdoor environments and exhibit adverse health effects. Among all of the PBDEs, decabromodiphenyl ether (BDE-209) is the most abundant due to the increased production of electronic devices. Here we evaluate the uptake coefficients of ozone (O3) on glass plates coated with BDE-209 at different relative humidities (RH) over a range of temperatures. The uptake of O3 slightly increased with the increase of RH from 1.2 x 10-5 at 30% RH to 2.2 x 10-5 at 90% RH, but was independent of the temperature change. Real-time measurements of the gas-phase product compounds formed by the reaction of O3 with BDE-209 were performed with a high-resolution Q Exactive hybrid quadrupole Orbitrap mass spectrometer (UHR-MS) in both positive and negative ionization modes. Interestingly, the molecular-level analysis revealed that the observed gas-phase product compounds in the presence of water vapor did not contain Br atoms and, in most cases, had fewer than 12 C atoms, indicating that both debromination and aromatic ring fragmentation occurred. The developed reaction mechanism suggests that the formation of most CHO compounds occurs by the combination of reductive debromination triggered by HO2 with ring and open-chain fragmentation induced by O3. The molecular-level understanding of the volatile product compounds produced by the ozonolysis of glass coated with BDE-209 provides valuable insights into the reaction mechanism, enabling more accurate characterization in atmospheric model studies. |
| WOS研究方向 | Chemistry ; Geochemistry & Geophysics |
| 语种 | 英语 |
| WOS记录号 | WOS:001347568200001 |
| 源URL | [http://ir.gig.ac.cn/handle/344008/82091]  |
| 专题 | 有机地球化学国家重点实验室 |
| 通讯作者 | Li, Xue; Gligorovski, Sasho |
| 作者单位 | 1.Univ Torino, Dipartimento Chim, I-10125 Turin, Italy 2.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Peoples R China 3.Chinese Acad Sci, Guangzhou Inst Geochem, Guangdong Prov Key Lab Environm Protect & Resource, Guangzhou 510640, 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, Ctr Excellence Deep Earth Sci, Guangzhou 510640, Peoples R China 6.Univ Chinese Acad Sci, Beijing 101408, Peoples R China 7.Kunming Univ Sci & Technol, Fac Environm Sci & Engn, Kunming 650500, Peoples R China 8.Higher Educ Key Lab Odorous Volatile Organ Cpds Po, Innovat Team Volatile Organ Cpds Pollutants Contro, Kunming 650500, Peoples R China 9.Jinan Univ, Inst Mass Spectrometry & Atmospher Environm, Guangzhou 510632, Peoples R China 10.Univ St Kliment Ohridski Bitola, Bitola 7000, North Macedonia |
| 推荐引用方式 GB/T 7714 | Liu, Siyu,Xu, Jinli,Xie, Yingxin,et al. Ozone Oxidation of the Flame Retardant BDE-209: Kinetics and Molecular-Level Analysis of the Gas-Phase Product Compounds[J]. ACS EARTH AND SPACE CHEMISTRY,2024,8(11):2166-2175. |
| APA | Liu, Siyu.,Xu, Jinli.,Xie, Yingxin.,He, Bowen.,Deng, Qingxin.,...&Gligorovski, Sasho.(2024).Ozone Oxidation of the Flame Retardant BDE-209: Kinetics and Molecular-Level Analysis of the Gas-Phase Product Compounds.ACS EARTH AND SPACE CHEMISTRY,8(11),2166-2175. |
| MLA | Liu, Siyu,et al."Ozone Oxidation of the Flame Retardant BDE-209: Kinetics and Molecular-Level Analysis of the Gas-Phase Product Compounds".ACS EARTH AND SPACE CHEMISTRY 8.11(2024):2166-2175. |
入库方式： OAI收割
来源：广州地球化学研究所
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