Mishra, D and Kanari, N and Gaballah, I and Dupre, B (2002) Zinc recovery from EAF dust through thermal reduction. In: EPD Congress -2002 (Annual Meeting of the Minerals-Metals-and-Materials-Society), Feb. 17-21, 2002, Seattle, USA.
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Abstract
Electric are furnace dust (EAFD) generated during the recycling of steel-scrap is classified as a hazardous waste for landfilling. This is because it contains leachable heavy metals such as zinc, lead,... Recovery of these metals could result in both resources conservation and resolving waste disposal problems. A study of the thermal reduction of a sample of EAFD was carried out in an inert gas atmosphere using coke as a reducing agent. Preferential volatilization of zinc and lead was achieved during the reduction process at about 800 degreesC. More than 96% of both zinc and lead were removed from the dust and were recovered in the condensates. The treatment residue was essentially composed of iron oxides and almost free from heavy metals.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Official URL/DOI: | http://eprints.nmlindia.org/4652 |
| Uncontrolled Keywords: | Electric Arc Furnace Dust, Thermal Reduction, Zinc |
| Divisions: | Metal Extraction and Forming |
| ID Code: | 4652 |
| Deposited By: | Dr Devabrata Mishra |
| Deposited On: | 20 Jan 2012 17:19 |
| Last Modified: | 20 Jan 2012 17:19 |
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