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Polychlorinated Biphenyl Emissions from Steelmaking Electric Arc Furnaces
Shen, Jia; Yang, Lili; Yang, Qiuting; Zhao, Xiaoguang; Liu, Guorui; Zheng, Minghui
2021-04
Source PublicationBULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
ISSN0007-4861
Volume106Issue:4Pages:670-675
AbstractElectric arc furnaces (EAFs) in steelmaking plants are a major source of dioxins. Preheating of steelmaking raw materials is widely used in EAFs to reduce energy consumption. Few studies have investigated emissions of dioxin-like polychlorinated biphenyls (PCBs) from EAFs, and the PCB emission levels and characteristics during preheating are unknown. In this study, PCB concentrations and distributions in stack gases emitted during EAF preheating were determined. The average dioxin-like PCB concentrations in stack gases emitted during preheating of three EAFs were 1236.1, 81,664.4, and 669.8 pg/Nm(3), respectively. These values were greatly influenced by the composition of the steelmaking raw materials. The PCB profiles in all samples were dominated by less-chlorinated homologs. PCB emission factor for preheating in the EAFs is 0.58 mu g WHO-TEQ/ton averagely, indicating significant emissions of PCBs from preheating process. The data will be useful for developing approaches for preventing and controlling PCB emissions from EAFs.
Department环境化学与生态毒理学国家重点实验室
KeywordElectric arc furnace Steelmaking Polychlorinated biphenyl Preheating stage Inventory
WOS Research AreaEnvironmental Sciences ; Toxicology
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/45818
Collection环境化学与生态毒理学国家重点实验室
Affiliation1.Xian Univ Sci & Technol, Coll Geol & Environm, Xian 710054, Peoples R China
2.Chinese Acad Sci, State Key Lab Environm Chem & Ecotoxicol, Res Ctr Ecoenvironm Sci, POB 2871, Beijing 100085, Peoples R China
3.UCAS, Hangzhou Inst Adv Study, Sch Environm, Hangzhou 310000, Peoples R China
Recommended Citation
GB/T 7714
Shen, Jia,Yang, Lili,Yang, Qiuting,et al. Polychlorinated Biphenyl Emissions from Steelmaking Electric Arc Furnaces[J]. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY,2021,106(4):670-675.
APA Shen, Jia,Yang, Lili,Yang, Qiuting,Zhao, Xiaoguang,Liu, Guorui,&Zheng, Minghui.(2021).Polychlorinated Biphenyl Emissions from Steelmaking Electric Arc Furnaces.BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY,106(4),670-675.
MLA Shen, Jia,et al."Polychlorinated Biphenyl Emissions from Steelmaking Electric Arc Furnaces".BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 106.4(2021):670-675.
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