The Effects of Microwave-Assisted Leaching on the Treatment of Electric Arc Furnace Dusts (EAFD)

• Autorzy: Laubertova M. , Havlik T. , Parilak L. , Derin B. , Trpcevska J.

Identyfikatory

DOI

10.24425/amm.2020.131733

• Języki publikacji: EN

Abstrakty

EN

In this study, laboratory-scale experiments were carried out to investigate the effects of microwave-assisted alkaline leaching on the treatment of electric arc furnace dusts to recover zinc and lead. Microwave treatment is a new innovative technology in waste treatment and now is an attractive advanced inter-disciplinary field and also environmental friendly. The highest zinc extraction, 50.3% in 60 minutes using 5 M NaOH at 750 W and L:S ratio 20, and lead extraction up to 92.84% was achieved in these same conditions but in 30 minutes. Compared with conventional leaching, the top extraction rate using MW-assisted leaching was higher by 16% (Zn) and 26% (Pb). Zinc presents in the flue dust in the form of franklinite (ZnFe₂ O₄ ), its leaching in sodium hydroxide does not occur under the examined conditions, because it is enclosed in a matrix of iron.

Słowa kluczowe

EN

microwave energy; leaching; industrial waste; EAF dust

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2020
• Tom: Vol. 65, iss. 1
• Strony: 321--328
• Opis fizyczny: Bibliogr. 32 poz., fot., rys., tab.

Twórcy

autor

Laubertova M.

• Institute of Recycling Technologies, Faculty of Materials, Metallurgy and Recycling, Technical University of Kosice, Letna 9, 042 00, Kosice, Slovakia

autor

Havlik T.

• Institute of Recycling Technologies, Faculty of Materials, Metallurgy and Recycling, Technical University of Kosice, Letna 9, 042 00, Kosice, Slovakia

autor

Parilak L.

• Research and Development Center of Zeleziarne Podbrezova, S.R.O., Kolkaren 35, 97681 Podbrezova, Slovakia

autor

Derin B.

• Istanbul Technical University, Metallurgical and Materials Eng. Dept., 34469, Istanbul, Turkey

autor

Trpcevska J.

• Institute of Recycling Technologies, Faculty of Materials, Metallurgy and Recycling, Technical University of Kosice, Letna 9, 042 00, Kosice, Slovakia

Bibliografia

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Uwagi

EN

1. This work was supported by the Slovak Research and Development Agency under contract [APVV-14-0591]; and the Ministry for Education of the Slovak Republic under VEGA grant [1/0442/17]; and Research and Development Center of Zeleziarne Podbrezova, s.r.o. in framework of project LSPO. This article has been checked for spelling and grammar by Andrew J. Billingham.

PL

2. Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).