Results 151 to 160 of about 1,623,298 (200)

The microwave processing of electric arc furnace dust

JOM, 2008
An ideal treatment for electric arc furnace (EAF) dust is to cost-effectively process the dust on site to generate high-value products. Microwave heating has the potential to be the ideal approach. In this study, testing was conducted to evaluate the feasibility of treating EAF dust under microwave radiation to produce iron metal and zinc metal instead
Xiang Sun, Jiann-Yang Hwang, Xiaodi Huang   +2 more
openaire   +2 more sources

Mineralogical characteristics of electric arc furnace dusts

JOM, 1991
Reflected light microscopy can contribute important information regarding the mineralogy, mineral abundance, internal textures, sizes and shapes of particles in electric arc furnace (EAF) dusts. Scanning electron microscopy-energy dispersive spectroscopy and electron microprobe analysis are useful to determine the chemical compositions of the specific ...
Ann M. Hagni, Richard D. Hagni, Christelle Demars   +2 more
openaire   +2 more sources

Characterization of Low-Zinc Electric Arc Furnace Dust

, 2017
Electric arc furnace (EAF) dust is an important secondary resource that should be recycled to enhance its considerable economic value and potential environmental benefit. In this study, a low-zinc EAF dust was characterized by various techniques, including chemical titration, X-ray diffraction, granulometric analysis, scanning electron microscopy and ...
Zhiwei Peng, Xiaolong Lin, Jiaxing Yan, Jiann-Yang Hwang, Yuanbo Zhang, Guanghui Li, Tao Jiang   +6 more
openaire   +2 more sources

Safe use of electric arc furnace dust as secondary raw material in self-compacting mortars production

Journal of Cleaner Production, 2019
This research contributes to the development of the Circular Economy concept by managing waste through its use as a construction material. A novel process in which two samples of industrial waste Electric Arc Furnace Dust collected from two different ...
De Brito J, José Ramon Jiménez, Pedro Miguel Soares Raposeiro da Silva   +2 more
exaly   +2 more sources

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Vitrification of electric arc furnace dusts

Waste Management, 2002
Electric arc furnace baghouse dust (EAFD), a waste by-product of the steelmaking process, contains the elements that are volatilized from the charge during the melting (Cr, Pb, Zn, Cu and Cd). The results of leaching tests show that the concentration of these elements exceeds the regulatory limits.
PELINO, Mario, KARAMANOV A, PISCIELLA P., ZANNETI D., CRISUCCI S.   +4 more
openaire   +3 more sources

Enhancement of Electric Arc Furnace Dust by Recycling to Electric Arc Furnace

Journal of Environmental Engineering, 2002
Electric arc furnace (EAF) dust is a hazardous waste product of the steelmaking industry with a high concentration of heavy metals, especially Zn and Pb. Existing treatment processes are industrially viable only when the zinc content is sufficiently high. In this research we present an industrial-scale process to enhance EAF dust by recycling it to the
Félix A. López, Aurora López-Delgado
openaire   +1 more source

Hydrothermal treatment of electric arc furnace dust

Journal of Hazardous Materials, 2011
In this study, ZnO crystals were fabricated from electric arc furnace dust (EAFD) after alkaline leaching, purification and hydrothermal treatment. The effects of temperature, duration, pH, and solid/liquid ratio on ZnO crystal morphology and size were investigated. Results show a high reaction temperature capable of accelerating the dissolution of ZnO
Bing-Sheng, Yu, Yuh-Ruey, Wang, Tien-Chin, Chang   +2 more
openaire   +2 more sources

Characterization of steel mill electric-arc furnace dust

Journal of Hazardous Materials, 2004
In order to make a complete characterization of electric-arc furnace (EAF) dust, as hazardous industrial waste, and to solve its permanent disposal and/or recovery, bearing in mind both the volumes formed in the Croatian steel industry and experiences of developed industrial countries, a study of its properties was undertaken. For this purpose, samples
Sofilić, Tahir, Rastovčan-Mioč, Alenka, Cerjan-Stefanović, Štefica, Novosel-Radović, Vjera, Jenko, Monika   +4 more
openaire   +3 more sources

Structural ceramics containing electric arc furnace dust

Journal of Hazardous Materials, 2013
In the present work the stabilization of electric arc furnace dust EAFD waste in structural clay ceramics was investigated. EAFD was collected over eleven production days. The collected waste was characterized for its chemical composition by Flame Atomic Absorption Spectroscopy.
V N, Stathopoulos, A, Papandreou, D, Kanellopoulou, C J, Stournaras   +3 more
openaire   +2 more sources

Removal of chloride from electric arc furnace dust

Journal of Hazardous Materials, 2011
Electric arc furnace (EAF) dust with high chloride content increases the threat of dioxin emissions and the high chloride content reduces the value of recycled zinc oxide produced by EAF dust recycling plants. This study conducts a number of laboratory experiments to determine the technical feasibility of a new dechlorination method.
Wei-Sheng, Chen, Yun-Hwei, Shen, Min-Shing, Tsai, Fang-Chih, Chang   +3 more
openaire   +2 more sources