Recycling Perspectives of Electric Arc Furnace Slag in the United States: A Review

Kurecki, Matthew; Meena, Neha; Shyrokykh, Tetiana; Korobeinikov, Yuri; Jarnerud Örell, Tova; Voss, Zane; Pretorius, Eugene; Jones, Jeremy; Sridhar, Seetharaman

doi:10.1002/srin.202300854

Title: Recycling Perspectives of Electric Arc Furnace Slag in the United States: A Review

Journal Article · 16 March 2024 · Steel Research International

DOI: https://doi.org/10.1002/srin.202300854 · OSTI ID:2328604

Kurecki, Matthew ^[1]; Meena, Neha ^[2];

^[3];

^[4]; Voss, Zane ^[5]; Pretorius, Eugene ^[6]; Jones, Jeremy ^[5]; Sridhar, Seetharaman ^[3]

Arizona State University, Tempe, AZ (United States); Arizona State University
Nucor Steel Brandenburg, KY (United States)
Arizona State University, Tempe, AZ (United States)
Swerim AB, Luleå (Sweden)
CIX, Inc., Oriental, NC (United States)
Nucor Steel Berkeley, Huger, SC (United States)

This article presents a comprehensive review of electric arc furnace (EAF) slag recycling in the United States, examining its classification and the associated challenges and opportunities of its industrial use. The study affirms EAF slag's nonhazardous status. Here, the main challenges identified in EAF slag applications include substantial variations in composition and volume instability during/after hydration. Analysis of the U.S. recycling practices reveals that EAF slag is predominantly reused, with minimal landfill disposal. However, its prevalent use as a low value-added aggregate in construction applications underscores the industry's ongoing challenge to get additional value from EAF slag recycling. Despite these challenges, the study highlights a great potential for increased value extraction from EAF slag recycling. Beyond conventional applications as a clinker material for the cement industry, the review explores modern technologies for steelmaking slag recycling, revealing options for recovering valuable metals such as Cr, V, Mo, and Fe through methods such as leaching, reduction, and oxidation.

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Research Organization:: Arizona State University, Tempe, AZ (United States)

Sponsoring Organization:: USDOE Office of Energy Efficiency and Renewable Energy (EERE), Energy Efficiency Office. Advanced Materials & Manufacturing Technologies Office (AMMTO)

Contributing Organization:: Commercial Metals Company; Big River Steel; Levy Technical Laboratories

Grant/Contract Number:: EE0009392

OSTI ID:: 2328604

Journal Information:: Steel Research International, Journal Name: Steel Research International; ISSN 1611-3683

Publisher:: WileyCopyright Statement

Country of Publication:: United States

Language:: English

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42 ENGINEERING
99 GENERAL AND MISCELLANEOUS
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slag
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recycling

Title: Recycling Perspectives of Electric Arc Furnace Slag in the United States: A Review

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