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basic oxygen furnace slag concrete
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Air-cooled basic oxygen steel slag (BOS)
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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Utilisation of aged and unaged basic oxygen furnace steel slag
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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Effects of basic-oxygen furnace, electric-arc furnace, and …
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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Reducing environmental impacts: The use of basic oxygen furnace slag …
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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Utilisation of aged and unaged basic oxygen furnace steel …
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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Co-utilization of aqueous carbonated basic oxygen furnace slag …
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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(PDF) Concrete Produced by Steel‐Making Slag …
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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The Reuse of Basic Oxygen Furnace Slag as …
Basic oxygen furnace slag is considered a potential material for the replacement of natural aggregate in Portland cement concrete due to its similar physical characteristics. Therefore, in the …
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Structural characteristics and cementitious behavior of basic oxygen …
1. Introduction. Steel slag, a by-product of steel production, is discharged from either the steel-refining process in a basic oxygen furnace or the melting scrap steel in an electric arc furnace [1], [2].As reported in World Steel in Figures 2018 [3], the world crude steel production reached 1689 million tons for the year 2017, up by 3.8% …
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A Review of the Influence of Steel Furnace Slag Type on …
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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High-gravity carbonation of basic oxygen furnace slag for …
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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The mechanism of basic oxygen furnace steel slag …
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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High-Amount Basic Oxygen Furnace Slag
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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Furnace Slag
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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Chemical, Mineralogical, and Morphological Properties of Steel Slag
The slag generated from a steelmaking cycle is later processed, and the final product after processing is referred to as basic-oxygen-furnace slag (BOF slag). The chemical reactions occurring during the removal of impurities determine the chemical composition of the basic-oxygen-furnace slag [1, 3, 5]. 2.2.
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Sodium oxalate activation of basic oxygen furnace slag for …
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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Sustainable Application of Pyrolytic Oxygen Furnace Slag in Cement …
As an industrial waste, basic oxygen furnace (BOF) slag is an ideal substitute for natural rubble and sand. However, its potential instability of volume restricts the application of the BOF slag in engineering. This study aims at investigating the volume stability and mechanical properties of BOF slag and its application as an aggregate in …
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A Review of the Influence of Steel Furnace Slag …
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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Applicability of Basic Oxygen Furnace Slag as a Concrete …
However, soundness of basic oxygen furnace slag in concrete appears to largely depend upon the mineralogical and chemical compositions of the slag. Several experiments concerning workability, compressive strength and dimensional stability of concrete made with basic oxygen furnace slag were conducted for investigating the possibility of the …
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Basic Oxygen Furnace Slag Characteristics and …
Compared to Electric-Arc Furnace (EAF) slag, produced by high-power electric arcs, the basic oxygen furnace (BOF) slag route is responsible for the production of, on average, a greater quantity of by-product, 400 …
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Impact of basic oxygen furnace slag on the hydration …
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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Geopolymer as a key material to utilize basic oxygen furnace slag …
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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Review Steel slag and its applications in cement and concrete
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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Evaluation of Basic Oxygen Furnace (BOF) material into slag …
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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An Overview of Utilization of Blast Furnace and Steelmaking Slag …
Reducing environmental impacts: The use of basic oxygen furnace slag in portland cement, 172 (2018), pp. 385-390. View PDF View article View in Scopus [59] Z. Li, Z. Ding. Property improvement of Portland cement by incorporating with metakaolin and slag. Cement and Concrete Research, 33 (2003), pp. 579-584.
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Modification of Basic Oxygen Furnace Slag for Cement …
The use of steelmaking slag without chemical modification presents a deleterious effect on cement mechanical properties, due to the expansion caused by the presence of free CaO and MgO in the slag. This work deals with the modification of one basic oxygen furnace (BOF) slag with the objective of making it an appropriate …
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Co-utilization of aqueous carbonated basic oxygen furnace slag …
Steel-making slag is known as one of the alkaline residues and accounts for 15–20 wt% of the total steel production in China [4, 5]. Among the slags generated, basic oxygen furnace slag (BOFS) contributes about 70% [6]. BOFS has low hydration reactivity due to the presence of a very little amount of tricalcium silicates [7, 8].
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Utilization of air granulated basic oxygen furnace slag as a …
Basic oxygen furnace (BOF) slag negatively impacts ordinary Portland cement performance when replacement levels exceed 5%. This necessitates the …
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(PDF) Concrete Produced by Steel‐Making Slag (Basic Oxygen Furnace
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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The Reuse of Basic Oxygen Furnace Slag as Concrete …
On the other hand, concrete mixtures were manufactured with basic oxygen furnace (BOF) slag aggregates and characterized mechanically and morphologically. …
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Upcycling Basic Oxygen Furnace (BOF) Slag into a Carbon …
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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Reducing environmental impacts: The use of basic oxygen furnace slag …
The basic oxygen furnace (BOF) slag, important slag generated during the processing of the pig iron into steel, is considered a solid waste, non-hazardous and subject to recycling. ... To be added to the cement, BOF slag should have controlled amounts of free-CaO and free-MgO, ...
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Utilisation of aged and unaged basic oxygen furnace steel slag
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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Utilization and optimization of unweathered and weathered basic oxygen …
The construction industry has been facing scarcity of natural aggregates due to their higher utilization in concrete and mortar. The diminution of natural resources and the increasing demand of natural aggregates require alternative sustainable sources. Therefore, the viability of utilizing basic oxygen furnace slag (BOFS), produced as …
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A Bogue approach applied to basic oxygen furnace slag
Basic oxygen furnace (BOF) slag is an industrial by-product of the steel industry and has recently been investigated intensively for high-end applications other than road load and land fill. However, to be applied as a high-end raw material BOF slag lacks a quick and simple quantitative phase analysis method compared to the Bogue approach ...
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A Bogue approach applied to basic oxygen furnace slag
A Bogue approach applied to basic oxygen furnace slag Citation for published version (APA): Zepper, J. C. O., van der Laan, S. R., Schollbach, K., & Brouwers, H. J. H ...
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