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Metallurgical and Materials Transactions B

Published in:

01-02-2007

Continuous Fuming of Zinc-Bearing Residues: Part II. The Submerged-Plasma Zinc-Fuming Process

Authors: KAREL VERSCHEURE, MAURITS VAN CAMP, BART BLANPAIN, PATRICK WOLLANTS, PETER HAYES, EVGUENI JAK

Published in: Metallurgical and Materials Transactions B | Issue 1/2007

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Abstract

A new high-temperature submerged plasma zinc-fuming process has been developed for the treatment of zinc leach residues, electric arc furnace (EAF) dusts, and other zinc-containing waste materials. Continuous operation of this process requires high zinc-fuming rates while retaining vessel integrity through the formation of a stable freeze lining. A zinc-fuming process model using the FactSage thermodynamic databases and ChemApp thermodynamic software has been developed, which simultaneously describes chemical, thermal, and heat-transfer outcomes of this process. The model has been used to systematically investigate the potential effects of operating parameters such as feed composition, fuel/oxygen ratio, electrical power and fluxing parameters on bath temperature, heat loss, Zn concentration and content in slag, Cu concentration, and content in matte.

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Title: Continuous Fuming of Zinc-Bearing Residues: Part II. The Submerged-Plasma Zinc-Fuming Process
Authors: KAREL VERSCHEURE
MAURITS VAN CAMP
BART BLANPAIN
PATRICK WOLLANTS
PETER HAYES
EVGUENI JAK
Publication date: 01-02-2007
Publisher: Kluwer Academic Publishers-Plenum Publishers
Published in: Metallurgical and Materials Transactions B / Issue 1/2007
Print ISSN: 1073-5615
Electronic ISSN: 1543-1916
DOI: https://doi.org/10.1007/s11663-006-9010-5

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