ArticleEnvironmental science and pollution research international2014
Estimation and characterization of unintentionally produced persistent organic pollutant emission from converter steelmaking processes.
Article in Environmental science and pollution research international, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 42 citations in OpenAlex.
- PCBs, PCNs, and PCDD/Fs in Soil around an Industrial Park in Northwest China: Levels, Source Apportionment, and Human Health Risk.International journal of environmental research and public health · 2023Article
- Estimating national dioxins and furans emissions, major sources, intake doses, and temporal trends in Iran from 1990-2010.Journal of environmental health science & engineering · 2017Article
- Removal of polychlorinated naphthalenes by desulfurization and emissions of polychlorinated naphthalenes from sintering plant.Scientific reports · 2016Article
- Removal of polychlorinated biphenyls by desulfurization and emissions of polychlorinated biphenyls from sintering plants.Environmental science and pollution research international · 2016Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Unintentionally produced persistent organic pollutants (UP-POPs) including polychlorinated dibenzo-p-dioxins, and dibenzofurans (PCDD/Fs), polychlorinated biphenyls (PCBs), and polychlorinated naphthalenes (PCNs) were characterized and quantified in stack gas and fly ash from the second ventilation systems in five typical converters in five different steelmaking plants. The 2378-substituted PCDD/Fs (2378-PCDD/Fs) and dioxin-like PCB (dl-PCBs) toxic equivalents (TEQs) were 1.84-10.3 pg WHO-TEQ Nm(-3) in the stack gas and 5.59-87.6 pg WHO-TEQ g(-1) in the fly ash, and the PCN TEQs were 0.06-0.56 pg TEQ Nm(-3) in the stack gas and 0.03-0.08 pg TEQ g(-1) in the fly ash. The concentrations of UP-POPs in the present study were generally lower than those in other metallurgical processes, such as electric arc furnaces, iron ore sintering, and secondary metallurgical processes. Adding scrap metal might increase UP-POP emissions, indicating that raw material composition was a key influence on emissions. HxCDF, HpCDF, OCDF, HpCDD, and OCDD were the dominant PCDD/Fs in the stack gas and fly ash. TeCB and PeCB were dominant in the stack gas, but HxCB provided more to the total PCB concentrations in the fly ash. The lower chlorinated PCNs were dominant in all of the samples. The 2378-PCDD/F, dl-PCB, and PCN emission factors in stack gases from the steelmaking converter processes (per ton of steel produced) were 1.88-2.89, 0.14-0.76, and 229-759 μg t(-1), respectively.
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