Granulated blast furnace slag (GBS) is the most important steel industry by-product. The production is almost 0.23 tons of slag for each ton of cast iron and 0.1 0.2 tons for each ton of …
2.1. Electric Arc Furnace Slag (EAF Slag) As shown in Figure 1, slags are generally classified into two categories: Blast furnace (BF) slag and steel-making (SM) …
3 43 of steel [12]. According to EUROSLAG data [13], the production of granulated blast furnace 44 slag was 23 million tons in 2012. The huge amount of EAF granulated slag increases the
The blast furnace (BF) iron slag, also known as a ground granulated blast furnace slag (GGBFS), the electric arc furnace carbon or stainless steel slag (EAF-C/S), and the ladle furnace basic slag (LS), also called the white slag, have been regarded as precursors which exhibit good mechanical properties following alkali activation and can be ...
How the new type of electric arc furnace slag (EOS) can be used in future, especially in the cement industry, as a CO 2-saving clinker replacement instead of the granulated blast furnace slag currently employed, is the subject of the "DRI-EOS" research project that has just been launched. The project is supported by the German Federal ...
Furnace slag (or ground granulated blast furnace slag, GGBFS) is the granular material formed during the processing of iron blast furnace slag generated from steel manufacturing. ... The steel processed in BOFs and electric arc furnaces is treated to achieve the required chemical composition and temperatures appropriate for casting. For this ...
Electric arc furnace slag is produced during the manufacture of crude steel by the electric arc furnace (EAF) process. The slag itself is a strong and a dense material. Its mechanical strength and specific density have higher values compared to the soil. This material can be refined into a wide range of aggregate sizes.
Investigation on the sustainable use of electric arc furnace slag aggregates in eco-friendly alkali-activated low fineness slag concrete as a green construction composite ... (EAF) slag. Also, using low Blaine fineness (lower than 3000 cm 2 /g) ground granulated blast furnace slag (GGBFS) in AASC can lead to lower energy consumption. In this ...
2. Literature Review 2.1. Electric Arc Furnace Slag (EAF Slag) As shown in Figure 1, slags are generally classified into two categories: Blast furnace (BF) slag and steel-making (SM) slag. Electric arc furnace (EAF) slag, one of the SM slags, is produced by refining the process of recycled steel scrap in the electric arc furnace.
Natural sand S1 is very similar, in terms of size, to waste fine sand L1, however S1 is finer than L1. Fig. 1. Grading curve for each specific aggregate. Water absorption and specific mass of …
The present study evaluates the effect of utilising granulated blast furnace slag as a partial substitution of the fine fraction of natural aggregates on various concrete parameters using the general factorial approach. Two levels of the water/cement ratio (0.45 and 0.5) and four different percentages of granulated blast furnace slag (0, 20%, 40% and 60%) have been …
This paper studies the mechanical properties and hydration of green concrete which is made from ground granulated blast-furnace slag (GGBS), desulfurization gypsum (DG) and electric arc furnace reducing slag (EAFRS) as cementitious materials.The green concrete with a water to cementitious materials ratio of 0.32 yields a compressive strength over 50 MPa at 28 …
Particularly, the chemical composition of electric arc furnace (EAF) slag renders this material an alternative source for ceramic tile production [66]. As reported by Teo et al., [67] the composition of EAF slag mainly consisting of oxides such as Al2O3, CaO, MgO, Fe3O4, FeO and SiO2 is very close to those of ceramic tile raw materials such as ...
and fluxes producing molten steel and slag1. Electric Arc Furnace Slag QUICK REFERENCE GUIDE 4 - 2015 Table 1 - Typical Physical Properties of EAFS2. Notes: 1 MDD based on standard compaction. 2 OMC OMC depends on the particle size distribution of the mix. Electric Arc Furnace Slag Typical Physical Properties - Aggregate 1.60 - 2.10 3.30 ...
The same R 3 protocol was employed for two commercial ground granulated blast furnace slag (GGBS) samples, labeled GGBS1 and GGBS2, and an inert reference of quartz. …
Electric arc furnace (EAF) slag is a by-product generated from steel manufacturing process, about 150–200 kg of EAF slag is produced from each ton of liquid steel. In Vietnam, approximately one million ton of EAF slag was obtained in 2015 [1].
The higher the percentage of granulated slag was, the higher the density, the elastic modulus in compression and the compressive strength of the concrete were. Dry shrinkage of the concrete increased by adding a greater amount of EAF granulated slag. Keywords Industrial by-products, electric arc furnace granulated slag, eco-sustainability, concrete
The ground granulated blast furnace slag (GGBFS) is a by-product of iron manufacturing which when added to concrete improves its properties such as workability, strength and durability. This material is obtained by the heating of iron ore, limestone and coke at a temperature about 1500 degree Celsius. The process is carried out in a blast furnace.
The composition of slags of an electric arc furnace (EAF) in a commercial melt shop was systematically analyzed with a focus on slag ing. Basic behavior of FeO in an EAF slag was confirmed using fundamental thermodynamics. Monoxide ([Mg,Fe,Mn]O = M'O) and spinel ([Mg,Fe]Al2O4) phases in EAF slag were confirmed by X-ray diffraction analysis, and …
Electric Arc Furnace (EAF) Slag Webinar The National Academies of Sciences, Engineering, and Medicine held a public webinar on February 1, 2024 to discuss its recent report on health risk considerations for the use of unencapsulated steel slag.
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, lead–zinc slag, and the ...
$380 million. Blast furnace slag was about 50% of the tonnage sold and accounted for 88% of the total value of slag, most of which was granulated. Steel slag produced from basic oxygen and electric arc furnaces accounted for the remainder of sales. Slag was processed by 28 companies servicing active iron and steel facilities or reprocessing old
The electric arc furnace steelmaking route is essential for sustainable steelmaking through hydrogen-based direct reduced iron. About 30% of the global steel production currently follows the scrap/direct reduced iron–electric arc furnace (DRI-EAF) route, which is bound to increase given decarburization efforts by the steel industry. We investigated DRI-EAF slag …
For the steel castings, mild steel pieces were melted in an electric arc furnace (EAF) at 1700 °C, and then the steel melt was tapped from the furnace into a steel ladle (capacity 150 tons). The casting was performed on both the GBF slag and mixture of sand and slag molds through bottom pouring facility available in the steel ladle.
In the group2, which mainly depends on arc furnace slag, the samples were melted at temperatures ranging from 1400 °C to 1450 °C and melting time ranging from 40 to 60 min, and the viscosities of the samples increased with an increase in magnesia content i.e., samples F10 to F 40 and the samples were wholly homogeneous and also, the …
Keywords Industrial by-products, electric arc furnace granulated slag, eco-sustainability, concrete 1. Introduction Sustainable development issues have become very important after the Kyoto protocol was adopted in 1997 and especially in the last decade after the protocol entered into force in 2005. 1 It was stressed out once again about the ...
Semantic Scholar extracted view of "Green concrete with ground granulated blast-furnace slag activated by desulfurization gypsum and electric arc furnace reducing slag" by Ying Li et al. Skip to search form Skip to main content Skip to account menu. Semantic Scholar's Logo. Search 220,319,049 papers from all fields of science ...
The electric arc furnace slag generally used as a substitute for natural aggregate in concrete is sharp-cornered with a honeycombed surface texture. This characteristic can be …
Section snippets Materials. GGBFS used in this study was the product of Isfahan Steel Company and had a Blaine fineness of 2700 cm 2 /gr and a specific weight of 2.85 g/cm 3.The Portland cement used for the control mix design was a Type II cement with Blaine fineness and density of 2800 cm 2 /gr and 3.10 g/cm 3, respectively, conforming to ASTM C150 (2020).
EAF slag is a non-metallic by-product that consists mainly of silicates and oxides formed during the process of refining the molten steel. Raw EAF slag often appears as grey or black colored lumps, depending on its ferrous oxide …
While more than 75% of the ground granulated blast furnace slag (GGBFS) is used as supplementary cementitious materials (Osborne, 1999, Roy and Idorn, 1982, Kumar et al., 2008, De Schutter and Taerwe ... (EAFD) and non-hazardous electric arc furnace slag (EAFS). EAFD presents a potential hazard to the environment as it is characterized by the ...
This paper deals with the use of industrial by-products from electric arc furnace (EAF) granulated slag for the partial replacement of natural aggregates commonly used to manufacture concrete.
Manso JM, Gonzalez JJ, Polanco JA (2004) Electric arc furnace slag in concrete. J Mater Civ Eng 16:639–645. Article Google Scholar Pellegrino C, Faleschini F (2013) Experimental behavior of reinforced concrete beams with electric arc furnace slag as recycled. ACI Mater J 110(2):197–206. Google Scholar
Electric Arc Furnace Slag. In subject area: Engineering. Electric arc furnace slags are dense and tough aggregates, which typically contain high amounts of FeO, CaO, and MgO, …
About EAF Slag. EAF slag is a rock-like material generated during the steel-making process. Approximately 130 facilities across the United States generate EAF slag. EAF slag is used as an alternative to rock …
The main by-products of the steel industry, blast furnace (BF) slag and steel-making (SM) slag, can partially replace cement in concrete because of its potential hydraulicity [1,2,4,5,6,7,8,9].According to previous …
