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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Use of Electric Arc Furnace Slag as a Raw Feed Component for Portland Clinker Manufacture
Author(s): M. Marroccoli, M. Nobili, A. Telesca, and G.L. Valenti
Publication: Special Publication
Appears on pages(s): 91-98
Keywords: electric arc furnace slag; portland clinker manufacture; steel making industry
Abstract:When used as a constituent of raw meal for cement kiln, electric arc furnace (EAF) slag, being a source of non-carbonated lime, can contribute to a sustainable development in as much as both the kiln thermal requirement and CO2 generation are reduced. Ternary mixtures containing limestone, clay, and EAF slag (up to 35%), as a partial substitute for both natural materials, were submitted to laboratory and industrial tests. Burnability indexes better than that given by the reference mix (without EAF slag) were obtained. Chemical, physical and mechanical parameters of cements made with EAF slag-derived clinkers met the European standard EN 197-1. The kiln emissions of SO2, CO, HCl, HF, metals, total solid particles, and organic carbon were lower than the concentration limits in the exhaust gas prescribed by the national environmental standards. Keywords:
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