Characterization of Calcination Process of Electric Arc Furnace Dust with Lime: A Behavior of Zinc, Lead, and Iron

Grudinsky, Pavel; Pankratov, D. А.; Dyubanov, V. G.; Sevostyanov, M. A.

doi:10.1007/s40831-022-00599-5

Cited by 5 publications

(1 citation statement)

References 75 publications

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“…The particle size distribution and microstructure of EAFD Table .1 (Halli et al 2017;Lozano-Lunar et al 2019;Laubertova et al 2020a;Ahmad et al 2022;Borda and Torres 2022;Chen et al 2022;Coleti et al 2022;Frilund et al 2022;Grudinsky et al 2022;Gómez-Marroquín et al 2022;He et al 2022;Zoraga et al 2022;Ordoñez et al 2022;Qiu et al 2023;Li et al 2023) presents a comprehensive overview of EAFD compositions from various recent studies conducted in different countries. As technology advances, the distinction between zinc content levels determined by the place of production becomes less clear.…”

Section: Figure2mentioning

confidence: 99%

Recent Developments on the Removal of Zinc from Electric Arc Furnace Dust by Using Microwave Heating

Xiong

Kai

Qiu

et al. 2023

Preprint

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Electric arc furnace dust (EAFD) is a hazardous by-product of steel production. As global steel output increases, substantial amounts of EAFD are produced, which causes significant environmental issues. EAFD contains amounts of Fe and Zn, which could be reused as raw materials in the steelmaking process. However, zinc oxides can be reduced and vaporized during this process, forming zinc vapor that contaminates equipment surfaces and causes damage. Consequently, various pyrometallurgical methods have been proposed for zinc removal from EAFD. Due to the extensive usage of carbonaceous materials, these methods contribute to significant CO2, raising concerns about greenhouse gas emissions. Microwave heating offers an efficient, energy-saving, and environmentally friendly alternative to pyrometallurgical approaches. EAFD can generate heat under microwave irradiation without carbon addition, which means the CO2 emissions can be reduced by replacing the reductant in the microwave heating process. Furthermore, microwaves enhance zinc removal reactions to a certain extent, resulting in higher efficiency. Thus, employing microwave heating for EAFD processing has significant potential for future development. This paper reviews recent research on using microwave heating for zinc removal from EAFD, focusing on the heating behavior of EAFD in microwaves and the mechanisms of zinc removal. This review will be crucial for researchers working on processing EAFD using microwave heating and could help guide the development of more sustainable and efficient methods.

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