| Acidic leaching both of zinc and iron from basic oxygen furnace sludge. | |
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MedLine Citation:
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PMID: 21724325 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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During the steel production in the basic oxygen furnace (BOF), approximately 7-15kg of dust per tonne of produced steel is generated. This dust contains approximately 1.4-3.2% Zn and 54-70% Fe. Regarding the zinc content, the BOF dust is considered to be highly problematic, and therefore new technological processes for recycling dusts and sludge from metallurgical production are still searched for. In this study the hydrometallurgical processing of BOF sludge in the sulphuric acid solutions under atmospheric pressure and temperatures up to 100°C is investigated on laboratory scale. The influence of sulphuric acid concentration, temperature, time and liquid to solid ratio (L:S) on the leaching process was studied. The main aim of this study was to determine optimal conditions when the maximum amount of zinc passes into the solution whilst iron remains in a solid residue. |
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Authors:
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Zuzana Hoang Trung; Frantisek Kukurugya; Zita Takacova; Dusan Orac; Martina Laubertova; Andrea Miskufova; Tomas Havlik |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-6-12 |
Journal Detail:
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Title: Journal of hazardous materials Volume: - ISSN: 1873-3336 ISO Abbreviation: - Publication Date: 2011 Jun |
Date Detail:
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Created Date: 2011-7-4 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9422688 Medline TA: J Hazard Mater Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier B.V. All rights reserved. |
Affiliation:
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Technical University of Kosice, Faculty of Metallurgy, Department of Non-ferrous Metals and Waste Treatment, Letna 9, 042 00 Kosice, Slovak Republic. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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