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DOI: 10.1016/j.marpolbul.2014.01.016
Scopus ID: 2-s2.0-84906264565
Detoxification of hazardous dust with marine sediment
Author: Wei Y.-L.; Lin C.-Y.; Wang H.P.
Source Publication: Marine Pollution Bulletin
ISSN: 0025-326X
EISSN: 1879-3363
Publishing Year: 2014
Volume: 85, Issue:2
pages begin: 810
pages end: 815
Language: 英语
Keyword: Dioxin ; EAFD ; Electric arc furnace dust ; Lightweight aggregate ; Marine sediment
Scopus Keyword: Aggregates ; Detoxification ; Dust control ; Hazards ; Heavy metals ; Sintering ; Submarine geology ; Dioxin ; EAFD ; Electric arc furnace dust ; Light weight aggregate ; Marine sediments ; Agglomeration ; arsenic ; cadmium ; chromium ; copper ; dioxin ; furan derivative ; lead ; mercury ; selenium ; zinc ; dust ; heavy metal ; industrial waste ; aggregate ; detoxification ; dioxin ; dust ; hazardous waste ; marine sediment ; article ; chemical composition ; controlled study ; density ; detoxification ; dust ; electric arc furnace dust ; hazardous waste ; industry ; leaching ; particle size ; recycling ; scanning electron microscopy ; sediment ; Taiwan ; temperature ; water absorption ; chemistry ; dust ; heat ; industrial waste ; pollution ; prevention and control ; sediment ; Taiwan ; Dioxins ; Dust ; Environmental Pollution ; Geologic Sediments ; Hot Temperature ; Industrial Waste ; Metals, Heavy ; Microscopy, Electron, Scanning ; Taiwan
Subject of Scopus: Agricultural and Biological Sciences: Aquatic Science ; Earth and Planetary Sciences: Oceanography ; Environmental Science: Pollution
English Abstract: Hazardous electric arc furnace dust containing dioxins/furans and heavy metals is blended with harbor sediment, fired at 950-1100°C to prepare lightweight aggregates. Dust addition can lower the sintering temperature by about 100°C, as compared to a typical industrial process. After firing at 950°C and 1050°C, more than 99.85% of dioxins/furans originally present in the dust have been removed and/or destructed in the mix containing a dust/sediment ratio of 50:100. The heavy metals leached from all fired mixes are far below Taiwan EPA legal limits. The particle density of the lightweight aggregates always decreases with increasing firing temperature. Greater addition of the dust results in a considerably lower particle density (mostly <2.0 g cm-3) fired at 1050°C and 1100°C. However, firing at temperatures lower than 1050°C produces no successful bloating, leading to a denser particle density (>2.0 g cm-3) that is typical of bricks. © 2014 Elsevier Ltd.
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被引频次[WOS]:4   [查看WOS记录]     [查看WOS中相关记录]
Document Type: 期刊论文
Appears in Collections:过去全球变化的重建

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Affiliation: Department of Environmental Science and Engineering, Tunghai University, Taichung City 407, Taiwan; Department of Environmental Engineering, National Cheng-Kung University, Tainan City 701, Taiwan

Recommended Citation:
Wei Y.-L.,Lin C.-Y.,Wang H.P.. Detoxification of hazardous dust with marine sediment[J]. Marine Pollution Bulletin,2014-01-01,85(2)
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