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BOS slag is produced by the basic oxygen steelmaking (BOS) process – also referred to as the basic oxygen furnace (BOF) process, as air cooled steel slag (ASS) or as LD-converter slag. Production and Processing. BOS slag is formed during the conversion of hot liquid iron from the blast furnace into steel in a basic oxygen furnace.
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Radiological shielding concrete using steel slags. P. Tamayo, ... S. Mañanes, in Waste and Byproducts in Cement-Based Materials, 2021 13.5.1 Basic oxygen furnace slag (BOFS). BOFS is a slag from BOFs, also called converters. The slag is formed during the conversion of the hot metal from the blast furnace into steel in a BOF.
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To improve the pavement quality or increase the reuse of industrial waste, a number of novel pavement materials and aggregate gradations have been developed for asphalt concrete. An example is the application of basic oxygen furnace (BOF) slag to asphalt concrete. Shen et al. [1]. studied the properties of BOF slag.
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Abstract: Basic oxygen furnace slag (BOFS) was ground to three levels of fineness as a replacement for cement at weight proportions of 10, 30, 50, and 70 wt.%. Fineness and …
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ABSTRACT. The study presented in the paper evaluated the properties of pavement quality concrete (PQC) containing coarse aggregates made from aged and …
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1. Introduction. As the demand for steel and cement are increasing significantly around the world, great amounts of CO 2 and industrial wastes are generated during their manufacturing processes (Chen et al., 2014a, Hasanbeigi et al., 2012, Schneider et al., 2011).In addition to CO 2 emission, basic oxygen furnace slag …
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Basic oxygen furnace (BOF) slag is an industrial by-product of iron and steel industries and accounts for 15–20% of steel production (Zhang et al. 2012, Xiang et al. 2016). ... The abrasion resistance of the slag concrete was found to be better than the abrasion resistance of conventional concrete. Deterioration of slag concrete was not ...
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Basic oxygen furnace (BOF) slag negatively impacts ordinary Portland cement performance when replacement levels exceed 5%. This necessitates the …
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A steel-making slag (basic oxygen furnace) obtained from the Kardemir Steelworks was modified to be used as a clinker additive in the cement industry.
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Route number one is to increase the clinker substitution by supplementary cementitious material (SCM). And the second one is the more efficient use of cement in the downstream products such as mortars, concrete, etc. [8]. Basic oxygen furnace (BOF) slag is the by-product of the basic oxygen converter steel-making slag.
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Therefore, the viability of utilizing basic oxygen furnace slag (BOFS), produced as waste during the steel manufacturing process, as fine aggregate to produce cement-based mortar has been researched in the present study.
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The study presented in the paper evaluated the properties of pavement quality concrete (PQC) containing coarse aggregates made from aged and unaged basic oxygen furnace (BOF) slag.
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On the other hand, concrete mixtures were manufactured with basic oxygen furnace (BOF) slag aggregates and characterized mechanically and morphologically. …
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ABSTRACT The study presented in the paper evaluated the properties of pavement quality concrete (PQC) containing coarse aggregates made from aged and unaged basic oxygen furnace (BOF) slag. Workability, air content, strength, drying shrinkage, expansion, abrasion resistance and expansive potential of PQC were …
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Title: Upcycling Basic Oxygen Furnace (BOF) Slag into a Carbon Negative Supplementary Cementitious Material (SCM) through Mineral Carbonation. Author(s): ... The ERA-MIN3 project CO 2 TREAT aims at transforming BOF slag into valuable SCMs for cement production. In this paper, the results of an experimental campaign to better …
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This paper presents an overview of basic oxygen furnace slag (BOF-S), a by-product of the steelmaking industry, and discusses its characteristics, composition …
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It is generally agreed that aqueous carbonation of basic oxygen furnace slag (BOFS) is a promising and effective strategy to sequestrate CO 2 and enhance the slag properties for use as a construction material. However, the handling of wastewater produced in the aqueous carbonation route is still a challenge. This work investigates …
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This study reused the basic oxygen furnace slag, submitted to different cooling processes, for the partial replacement of clinker. Formulations of CPIII portland cement were prepared with substitution of 5.4% by weight of clinker by basic oxygen slag with 53 and 71% amorphous phase.
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Basic oxygen furnace (BOF) slag is a solid waste from the steel-making process route, also referred to as converter steel slag, annually produced in high quantities. The world crude steel production reached 1951 million tons in 2021, from which, around 246 million tons of BOF slag were generated, during the refinement of pig iron to raw steel ...
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The review covers three main types of slag—basic-oxygen furnace (BOF), electric-arc furnace (EAF), and ladle furnace (LF) slag—and explores their diverse characteristics. While steel slag shows promise for enhancing the properties of concrete, further research is needed to develop scalable treatment methods ensuring volumetric …
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Before using basic oxygen furnace slag (BOFS) in any engineering application, it is important to determine its properties. The chemical composition, mineralogy, and physical properties of BOF slag are subject to large fluctuations as a result of different raw additives, different compositions of the molten iron used for producing …
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Supersulfated cement (SSC) is recognized as a cementitious material with low CO 2 emissions, consisting predominantly of ground granulated blast-furnace slag (GGBS) and a minor activator content. The production of GGBS production constitutes the primary source of CO 2 emissions in SSC. In contrast, carbon emissions from the …
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A steel-making slag (basic oxygen furnace) obtained from the Kardemir Steelworks was modified to be used as a clinker additive in the cement industry. This study confirmed that the compressive...
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Therefore, the GPC can become an environmentally friendly competitive alternative to OPC concrete due to its ability to save natural resources and reduce CO 2 emission [4]. Meanwhile, basic oxygen furnace slag (BOFS), a by-product of the steelmaking process, is the hard waste created when iron ore is treated in a basic …
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The endurance of a high-speed railway asphalt concrete reinforced trackbed is improved through the use of various percentages of Basic Oxygen Furnace (BOF) slag to replace the coarse natural gravel aggregate of asphalt concrete (replacement rate is 0%, 25%, 50%, 75% and , respectively).
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Aiming to a better understanding of the inhibiting mechanism of steel slag, especially the role of contained aluminate in early-age hydration of Portland cement, two basic oxygen furnace (BOF) slags with different Al 2 O 3 content were used in this study. Their impacts on hydration heat evolution, solid and aqueous phases compositions at …
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The type of steel furnace slag (SFS), including electric arc furnace (EAF) slag, basic oxygen furnace (BOF) slag, ladle metallurgy furnace (LMF) slag, and argon oxygen decarburization (AOD) slag, can significantly …
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Keywords: steel furnace slag; electric arc furnace slag; basic oxygen furnace slag; ladle metallurgy furnace slag; argon oxygen decarburization slag; concrete 1. Introduction As a by-product of the various processes of smelting metallic ores, slags are a potentially useful commodity in civil infrastructure applications.
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The study presented in the paper evaluated the properties of pavement quality concrete (PQC) containing coarse aggregates made from aged and unaged …
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The utilization of blast furnace slag and granulated blast furnace slag or ground granulated blast furnace slag as supplementary cementitious materials and aggregates is well known, including their effects on cement and concrete [23]. Furthermore, basic oxygen furnace or electric arc furnace steel slags, copper slag, …
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