Pilot-Scale Reconstruction of Steel Slag with Electric Arc Furnace Slag and Coal Cinder

Zai Bo Li; San Yin Zhao; Xu Guang Zhao; Tu Sheng He

doi:10.4028/www.scientific.net/AMR.287-290.906

Paper Titles

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Inhibition Mechanism of the Substance Containing Aluminum on ASR
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Variation of Carbonation Coefficient of Pumping Concrete with Moist-Curing Time at early Ages and Fly-Ash Content
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Pilot-Scale Reconstruction of Steel Slag with Electric Arc Furnace Slag and Coal Cinder
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Removal of Sulfur Dioxide from Sintering Flue Gas with Coking Wastewater
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Effect of the Combined Using of Fly Ash and Granulated Blast Furnace Slag on Properties of Cementless Alkali-Activated Mortar
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Research on Slaked Magnesium Slag as a Mineral Admixture for Concrete
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Application of Interlocking Block Pavement in Rural Highway
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 287-290Pilot-Scale Reconstruction of Steel Slag with...

Pilot-Scale Reconstruction of Steel Slag with Electric Arc Furnace Slag and Coal Cinder

Abstract:

To realize the industrial application of online reconstruction technique of steel slag, a pilot-scale reconstruction research of steel slag (SS) with electric arc furnace slag (EAFS) and coal cinder (CC) and its mechanism were investigated. The results show that after reconstruction, the free-CaO content of reconstructed steel slag (RSS) is reduced. XRD analysis indicates that the reconstruction reaction can promote to create more active cementitious minerals (C₂S, C₃S, C₆AF₂ and C₆A₂F) in RSS. Composition adjusting materials formula composing of EAFS and CC at the ratio of 70:30 is optimum, which can meet the standard of the first grade steel slag powder according to Chinese National Standards GB/T 20491-2006.