Formation Pathways of Mono- to Octa-Chlorinated Dibenzo-p-dioxins and Dibenzofurans in Main Organochemical Industries
文献类型：期刊论文
| 作者 | Han, Ying; Liu, Wenbin; Pan, Wenxiao; Wang, Pu; Tian, Zhenya; Zhao, Yuyang; Wang, Mengjing; Chen, Xuebin; Liao, Xiao; Zheng, Minghui |
| 刊名 | ENVIRONMENTAL SCIENCE & TECHNOLOGY
 |
| 出版日期 | 2015-09-15 |
| 卷号 | 49期号:18页码:10945-10950 |
| 英文摘要 | The concentrations and formation pathways of mono- to octa-chlorinated dibenzo-p-dioxins (PCDDs) and dibenzofurans (PCDFs) were investigated in main organo-chemical industries. High levels of PCDDs and PCDFs were detected. The total concentrations of 27 PCDD/F congeners in chloranil, 2,4-D, and 1,4-dichlorobenzene were 5302397 +/- 8944449, 20963 +/- 15908, and 242 +/- 67 pg g(-1), respectively, and the less-chlorinated PCDD/F levels were 12006 +/- 20155, 9536 +/- 5594, and 195 +/- 94 pg g(-1), respectively. The distribution trends of less and more chlorinated PCDD/Fs were similar in different chemical plants because of their similar formation pathways, which may also be related to the degree of chlorination of chemical products and purification processes. 1,2,3,4-TeCDF and 2,4,8-TrCDF were selected as model molecules to calculate the bond dissociation energy, showing that 2-MCDF, 3-MCDF, and 2,8-DCDF are more easily formatted as shown by the analytical results. The formation pathways of less to more chlorinated PCDFs are proposed to explain why 2-MoCDF, 2,8-DiCDF, 2,4,8-TrCDF, and 2,3,4,7,8-PeCDF are the dominant congeners and to explain why 2,3,4,7,8-PeCDF is the largest contributor of I-TEQs in most studies. |
| 研究领域[WOS] | Engineering, Environmental ; Environmental Sciences |
| WOS记录号 | WOS:000361415800023 |
| 公开日期 | 2016-03-15 |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/32581]  |
| 专题 | 生态环境研究中心_环境化学与生态毒理学国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Han, Ying,Liu, Wenbin,Pan, Wenxiao,et al. Formation Pathways of Mono- to Octa-Chlorinated Dibenzo-p-dioxins and Dibenzofurans in Main Organochemical Industries[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2015,49(18):10945-10950. |
| APA | Han, Ying.,Liu, Wenbin.,Pan, Wenxiao.,Wang, Pu.,Tian, Zhenya.,...&Zheng, Minghui.(2015).Formation Pathways of Mono- to Octa-Chlorinated Dibenzo-p-dioxins and Dibenzofurans in Main Organochemical Industries.ENVIRONMENTAL SCIENCE & TECHNOLOGY,49(18),10945-10950. |
| MLA | Han, Ying,et al."Formation Pathways of Mono- to Octa-Chlorinated Dibenzo-p-dioxins and Dibenzofurans in Main Organochemical Industries".ENVIRONMENTAL SCIENCE & TECHNOLOGY 49.18(2015):10945-10950. |
入库方式： OAI收割
来源：生态环境研究中心
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