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SOURCES OF CREATION AND PROCESSING OF ZINC SECONDARY RAW MATERIALS

Sokić Miroslav

First published: 2011-06-20https://doi.org/10.5593/sgem2011/s21.115View metrics

Abstract

Zinc is a widely applicable metal and therefore the different composition and form of zinc waste is generated. The most important waste material generated in production and processing of zinc is scrap metal of zinc and its alloys, as well as slag, dust and sludge from the production and processing of cat hode zinc and zinc alloys. In terms of processing technology, there are different app lied procedures depending on the type of raw material. The processing of waste zinc a nd its alloys is pyrome tallurgical and it is based on remelting of dry and degreased raw materials, with alloying during melting to correct the composition. Zinc dust and sludge are processed by Waelz procedure, where the zinc-oxide is obtained and further bei ng processed usually by hydrometallurgical procedure. The zinc and brass slag are gr inded, followed by separation metal and oxide components. Large, predominantly metal fraction is being directly melted to obtain zinc or brass. Small, predominantly oxide phase is subjected to hydrometallurgical treatment for zinc valorization.

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Publication details

Title
SOURCES OF CREATION AND PROCESSING OF ZINC SECONDARY RAW MATERIALS
Authors
Sokić Miroslav
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2011 11th International Multidisciplinary Scientific GeoConference
Publisher
Stef92 Technology
Year
2011
Pages
Not available yet
ISSN
1314-2704
ISBN
Not available yet
Language
en
Publication type
Conference Paper
Keywords
zinc wasteslagsludgepyrometallurgical and hydrometallurgical processing
References9

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  7. The Waelz Kiln; http://www.valores.com/pdf/WaelzKilnDescription-EN.pdf2010.

  8. V.Matkovi ć, L. Šaljić , M.Soki ć, S. Ratkovi ć, S. Pašali ć, Valorizacija cinka iz mesinganih šljaka, Monografija “Recikliranje otpadnog materijala i sekundarnih sirovina u funkciji zaštite životne sredine, Beograd, 1995, 182-187.

  9. V. Matkovi ć, Lj. Ratkovi ć, Hidrometalurška prerada me singanih šljaka i prašina, XXXIII Savetovanje srpsko-hemijskog društva, 1991, 297.

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