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2017年 第11卷 第3期

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《化学科学与工程前沿（英文）》 >> 2017年 第11卷 第3期 doi: 10.1007/s11705-017-1656-9

Characterization of landfilled stainless steel slags in view of metal recovery

. Department of Metallurgy and Materials Engineering, KU Leuven, 3001 Heverlee, Belgium.. Department of Chemical Engineering, KU Leuven, 3001 Heverlee, Belgium.. Department of Research and Development, Group Machiels, 3001 Heverlee, Belgium

录用日期： 2017-07-10 发布日期： 2017-08-23
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The slag samples taken from landfill, which originated from different metallurgical processes, have been characterized in this study. The slags were categorized as electric arc furnace (EAF) slag, argon oxygen decarburization/metal refining process slag and vacuum oxygen decarburization slag based on chromium content and basicity. EAF slags have higher potential in metal recovery than the other two slags due to its higher iron and chromium contents. The size of the iron-chromium-nickel alloy particles varies from a few µm up to several cm. The recoveries of large metal particles and metal-spinel aggregates have potential to make the metal recovery from landfilled slags economically viable.

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