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New Process for Hazardous Contaminated Steel Scrap to Produce Clean EAF Feedstock

Steel scrap contaminated with hazardous components such as asbestos, mercury or hexavalent chrome is widely available worldwide. The processing is not permitted in ordinary steel plants due to legislation for hazardous emissions control. Purified Metal Co. built the first plant in Delfzijl, Netherlands, that is able to treat hazardous ferrous waste. Metallurgical and operational experiences of first industrial campaigns, with asbestos and Cr(VI) scraps, are described in this article. The products are neutralized purified metal blocks with a chemically known composition and carbon content of 3 wt.% that can be used as feedstock for electric arc furnaces.
Product:
2023/06 AIST Iron & Steel Technology June
PR-PM0623-3
J. Henk Wijma, G. Damm, F. Firsbach
June 01, 2023
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