Identification of ～200 transformation products of polyhalogenated compounds to characterize their transformation pathways in sludges
文献类型：期刊论文
| 作者 | Li, Enrui4; Li, Tong3; Yang, Xiao2; Zhang, Shuzhan4; Wan, Yi1; Chang, Hong4 |
| 刊名 | WATER RESEARCH
 |
| 出版日期 | 2024-08-15 |
| 卷号 | 260页码:9 |
| 关键词 | Persistent organic pollutants Wastewater treatment plant Dehalogenation-hydroxylation Carbon chain decomposition Oxidation treatment |
| ISSN号 | 0043-1354 |
| DOI | 10.1016/j.watres.2024.121978 |
| 英文摘要 | Sewage sludge adsorbs a large amount of harmful organic pollutants, particularly the persistent and hydrophobic polyhalogenated compounds (PHCs). PHCs have been subjected to biological and chemical oxidation treatments during wastewater treatment processes; however, the species and concentrations of their transformation products (TPs) in sludge remain unknown, and the transformation pathways are unclear. In this study, 234 TPs of PHCs, including 77 TPs of chlorinated paraffins (CPs-TPs), 102 TPs of organochlorine pesticides (OCPs-TPs), 45 TPs of dechlorane plus (DPs-TPs), and 10 TPs of brominated flame retardants (BFRs-TPs), were identified in sludge through Ph4PCl-enhanced ionization coupled with ultra-performance liquid chromatography-Orbitrap-mass spectrometry. Based on the chemical structures of the identified TPs, we identified three major transformation pathways: dehalogenation-hydroxylation, carbon chain decomposition, and desulfurization. Approximately 97 TPs were newly discovered through the pathways. Carbon chain decomposition products of OCPs and DPs were detected for the first time at relatively high abundances. More hydroxylation products of DPs and hexabromocyclododecane (HBCD) and multi-dehalogenation products of heptachlor, toxaphene, DPs and HBCDs were detected at relative intensities higher than those of the known TPs. The oxidation treatment of sludge achieved up to 13 %-94 % of PHCs to be removed, with dehalogenation-hydroxylation as the main transformation pathway. Advanced treatment technologies are needed for degradation of both PHCs and their TPs. |
| WOS关键词 | HALOGENATED FLAME RETARDANTS ; WATER TREATMENT PLANTS ; DECHLORANE PLUS ; SEWAGE-SLUDGE ; CHLORINATED PARAFFINS ; METABOLITES ; HEXABROMOCYCLODODECANE ; BIODEGRADATION ; DECHLORINATION ; PBDES |
| 资助项目 | National Key Research and Development Program of China[2022YFC3201901] ; National Natural Science Foundation of China[42377240] ; National Natural Science Foundation of China[42077306] ; National Natural Science Foundation of China[22225601] |
| WOS研究方向 | Engineering ; Environmental Sciences & Ecology ; Water Resources |
| 语种 | 英语 |
| WOS记录号 | WOS:001260968600001 |
| 出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
| 资助机构 | National Key Research and Development Program of China ; National Natural Science Foundation of China |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/207793]  |
| 专题 | 陆地表层格局与模拟院重点实验室_外文论文 |
| 通讯作者 | Chang, Hong |
| 作者单位 | 1.Peking Univ, Coll Urban & Environm Sci, Lab Earth Surface Proc, Beijing 100871, Peoples R China 2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China 3.Chinese Acad Agr Sci, Inst Qual Stand & Testing Technol Agroprod, Beijing 100081, Peoples R China 4.Beijing Forestry Univ, Coll Environm Sci & Engn, Beijing Key Lab Source Control Technol Water Pollu, Beijing 100083, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Enrui,Li, Tong,Yang, Xiao,等. Identification of ～200 transformation products of polyhalogenated compounds to characterize their transformation pathways in sludges[J]. WATER RESEARCH,2024,260:9. |
| APA | Li, Enrui,Li, Tong,Yang, Xiao,Zhang, Shuzhan,Wan, Yi,&Chang, Hong.(2024).Identification of ～200 transformation products of polyhalogenated compounds to characterize their transformation pathways in sludges.WATER RESEARCH,260,9. |
| MLA | Li, Enrui,et al."Identification of ～200 transformation products of polyhalogenated compounds to characterize their transformation pathways in sludges".WATER RESEARCH 260(2024):9. |
入库方式： OAI收割
来源：地理科学与资源研究所
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