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Association of halogens in electric arc furnace dust and zinc oxide fume before and after leaching
Swerea MEFOS AB.
Swerea MEFOS AB.
Luleå tekniska universitet.
1999 (English)In: REWAS '99: Global Symposium on Recycling, Waste Treatment and Clean Technology : proceedings of the "REWAS'99: Global Symposium on Recycling, Waste Treatment and Clean Technology", held in San Sebastián, Spain, September 5 - 9, 1999 : TMS Fall 1999 Extraction and Process Metallurgy Meeting / [ed] I. Gaballah, 1999, p. 1503-1510Conference paper, Published paper (Refereed)
Abstract [en]

Pilot-scale tests were conducted at MEFOS for the production of zinc oxide from Electric Arc Furnace (EAF) dust using a DC arc furnace with a hollow electrode suitable for the processing of fine-grained materials. The association of halides in Electric Arc Furnace (EAF) dust and zinc oxide fume before and after water leaching was investigated by XRD, SEM, and TEM analysis. In EAF dust, chlorine and fluorine were found to exist primarily as NaCl, KCl, and CaF2. After water leaching of the zinc oxide fume the halide concentrations were reduced to about 200 ppm Cl and 200 ppm F, mostly in the form of CaF2 and chlorine-containing silicate phases.

Place, publisher, year, edition, pages
1999. p. 1503-1510
National Category
Other Materials Engineering
Research subject
Material Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-37418Scopus ID: 33488676Local ID: b6f46bf0-fd59-11db-b816-000ea68e967bOAI: oai:DiVA.org:ltu-37418DiVA, id: diva2:1010916
Conference
Global Symposium on Recycling, Waste Treatment and Clean Technology : 05/09/1999 - 09/09/1999
Note

Godkänd; 1999; 20070508 (cira)

Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-02-06Bibliographically approved

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