Chemical and Mineralogical Analysis of Reformed Slag During Iron Recovery from Copper Slag in the Reduction Smelting

• Autorzy: Erdenebold Urtnasan , Wang Jei-Pil

Identyfikatory

DOI

10.24425/amm.2021.136385

• Języki publikacji: EN

Abstrakty

EN

Copper slag is usually a mixture of iron oxide and silicon dioxide, which exist in the form of fayalite (2FeO·SiO₂), and contains ceramic components as the SiO₂, Al₂O₃ and CaO depending on the initial ore quality and the furnace type. Our present study was focused on manufacture of foundry pig iron with Cu content from copper slag using high-temperature reduction smelting and investigate utilization of by-products as a reformed slag, which is giving additional value to the recycling in a replacement of raw material of Portland cement. Changes of the chemical and mineralogical composition of the reformed slag are highly dependent on the CaO concentration in the slag. The chemical and mineralogical properties and microstructural analysis of the reformed slag samples were determined through X-ray Fluorescence spectroscopy, X-Ray diffractometer and Scanning Electron Microscopy connected to the dispersive spectrometer studies.

Słowa kluczowe

EN

copper slag; fayalite; pig iron; reformed slag

• 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: 2021
• Tom: Vol. 66, iss. 3
• Strony: 809--818
• Opis fizyczny: Bibliogr. 31 poz., rys., tab., wykr., wzory

Twórcy

autor

Erdenebold Urtnasan

• Pukyong National University, Department of Metallurgical Engineering, Busan, Republic of Korea

• https://orcid.org/0000-0002-8620-1393

autor

Wang Jei-Pil

• Pukyong National University, Department of Metallurgical Engineering, Busan, Republic of Korea

• https://orcid.org/0000-0002-8314-4098

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Uwagi

1. This study was supported by the BB21+ Project in 2020 and co-supported under Grant No. NRF2019R1F1A104940 by the National Research Foundation of Korea (NRF), funded by MSIT of the Republic of Korea.

2. Błędna numeracja bibliografii.

3. Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).