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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Hydrometallurgyarrow_drop_down
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Hydrometallurgy
Article . 1996 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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Treatment and recycling of goethite waste arising from the hydrometallurgy of zinc

Authors: M. PELINO; CANTALINI, Carlo; C. ABBUZZESE; P. PLESCIA;

Treatment and recycling of goethite waste arising from the hydrometallurgy of zinc

Abstract

Abstract Goethite (FeOOH) is an iron-rich toxic waste that arises during the hydrometallurgical process for producing zinc metal. Due to the presence of impurities in the goethite (Zn, Pb, Ni, Cd, Cu, As, etc.) and the large amount produced yearly, the disposal of goethite waste represents a serious environmental problem which is generating social and economic difficulties for zinc companies. The experimental results, presented here, summarize part of the work carried out during the European Union programme ‘Raw Materials and Recycling’ (Contract MA2R-CT90-0007) aimed at recycling the goethite waste, in combination with raw materials and other industrial residues, to produce glassceramic materials. The chemical and morphological characteristics of goethite, originating from the Sardinia zinc plant, were evaluated and the possibility of recovering valuable elements was tested. In order to obtain a glass with adequate properties, the waste was mixed with sand, tuff, feldspar, limestone, dolomite, pumite and glass cullet in various proportions. Glass-ceramic materials were obtained from the molten glass batch using a controlled cooling treatment, yielding a 75% crystalline phase. In view of the use of glass ceramic as a construction material, the main physical, chemical and mechanical properties were evaluated.

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
48
Top 10%
Top 10%
Top 10%
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