EAF slag in asphalt mixes: A brief review of its possible re-use
Asi et al. (2007) found significant improvements in the fatigue life of slag mixtures, tested by cyclic ITS tests at a constant strain level. This was attributed to the …Web
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Crushers Selection Guide: Types, Features, …
These types include: Cone or gyratory crushers insert feed via a cone-shape bowl and crush it with a spinning or gyrating head. HPGR (high pressure grinding rollers), roll/roller crushers, or mineral sizers use two …Web
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Recent applications of steel slag in construction industry
In the European Union (EU), the generation of slag is about 10 million per year using electric arc furnace (EAF) alone, in which Spain alone contributed 1.5 million per year (Manso et al., 2004; Khalaf et al., 2020). The generation of steel slag is about 120–140 kg per ton of steel production worldwide (Li et al., 2018).Web
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Use of Steel Slag as an Alternative to Aggregate and Filler in …
The function of the slag during the steelmaking process is to maintain the temperature of the molten iron. They can be classified into basic oxygen furnace slag (BOF), electric arc furnace slag (EAF) and ladle furnace slag (LF) [10,11]. In addition, Huaiwei wrote a review of several methods for treating the various stainless-steel wastes .Web
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Assessment of Electric Arc Furnace (EAF) Steel Slag …
metals Review Assessment of Electric Arc Furnace (EAF) Steel Slag Waste's Recycling Options into Value Added Green Products: A Review Pao Ter Teo 1,*, Siti Koriah Zakaria 1, Siti Zuliana Salleh 1, Musta a Ali Azhar Taib 2, Nurulakmal Mohd Sharif 3, Anasyida Abu Seman 3, Julie Juliewatty Mohamed 1, Mahani Yuso 1, Abdul Hafidz Yuso 1, Mardawani …Web
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The Utilization of Electric Arc Furance Slag in Soil Improvement
3.2 Mix Characterization. Air dried expansive soil was mixed with different percent of the air cooled EAF slag (0, 5, 10, 20 and 30%) in a dry state, then a distilled water was added to the soil slag mixture and the prepared mixture were rolled to about 2 cm diameter and stored at the temperature of 25 °C in plastic boxes to prevent possible loss …Web
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Sustainable Recycling of Electric Arc Furnace Steel …
The aim of this research work was the evaluation of the feasibility to utilize industrial by-products, such as electric arc furnace steel slags, for sustainable concrete production. The paper evaluated the …Web
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Study on leaching of electric arc furnace (EAF) slag for its
EAF slag aggregates possess good mechanical properties. It is a crushed product with black in colour, stone like appearance and having rough surface texture. It …Web
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A Review on Environmental Concerns and Technological
Figure 4 shows the total waste generation from the steel manufacturing process and how much industry and academic research got attention in various applications. Their chemical composition, along with BOF, EAF, and LF slag, is shown in Table 2.It is apparent that the BOF and EAF slags have almost identical chemical components, but a …Web
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Treatment and characterisation of electric arc furnace (EAF) slag …
Electric Arc Furnace (EAF) slag from one of the steel plants in Western India has been characterised in detail. Its effectiveness as hydraulic material is examined before and after heat treatment in an induction furnace. The study shows that while there is a marginal reduction in the early age strength of the Portland Slag Cement mortar, the ...Web
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Study on leaching of electric arc furnace (EAF) slag for its
Electric furnace slag was highly productive and rich in elements, which can be used as a nutrient source for microalgae growth. The regulation of growth and lipid synthesis of Chlorella pyrenoidosa (C. pyrenoidosa) in electric arc furnace slag leaching solution with or without citric acid was investigated to develop efficient lipid production method …Web
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Recent trends in slag management & utilization in the steel industry
The quantity of steel slag produced has increased Materials 2022, 15, 3079 2 of 20 from 35.35 million tonne (out of 101.4 million tonne of steel production) in 2017-2018 to 53 million tonne (out ...Web
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Chemical, Mineralogical, and Morphological Properties of Steel Slag
Steel slag is a byproduct of the steelmaking and steel refining processes. This paper provides an overview of the different types of steel slag that are generated from basic-oxygen-furnace (BOF) steelmaking, electric-arc-furnace (EAF) steelmaking, and ladle-furnace steel refining processes. The mineralogical and morphological properties of …Web
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Development of an electric arc furnace steel slag-based ceramic
Following our previous work on IWB ceramics made out of steel waste [24], [34], [42], the main aim of this work was to develop shaped ceramics made of electric arc furnace (EAF) slags, for the purpose of being used as a TES filler in CSP or other high-temperatures applications. To the best of our knowledge, there are no available articles …Web
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Assessment of Electric Arc Furnace (EAF) Steel Slag
Download Citation | Assessment of Electric Arc Furnace (EAF) Steel Slag Waste's Recycling Options into Value Added Green Products: A Review | Steel slag is one of the most common waste products ...Web
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Exploring the Potential for Steel Slags Valorisation in an
This type of slag is divided into two categories, depending on whether the steel produced is carbon steel ("Electric Arc Furnace slag from Carbon steel" or "EAF-C") or stainless/high alloy steel ("Electric Arc Furnace slag from Stainless/high alloy steel" or "EAF-S") and is mainly used as aggregate for road construction [16, 22 ...Web
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irC:sp:121-2018
BF slag production ranges between 300 and 540 kg per tonne of pig iron produced, whereas up to 200 kg of slag is generated per tonne of liquid steel. Lower grade ores yield much higher slag fractions. Fig. 1 presents a flow diagram of slag production process. Fig. 1 typical slag production process (Yildirim and prezzi, 2011)Web
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Investigation on the Chemical and Thermal Behavior of Recycling …
In addition to the blast furnace converter route, electric steel production in the electric arc furnace (EAF) is one of the two main production routes for crude steel. In 2019, the global share of crude steel produced via the electric steel route was 28%, which in numbers is 517 million metric tons of crude steel. The production and processing of steel …Web
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Minerals | Free Full-Text | Steel Slag Characterisation—Benefit of
Electric Arc Furnace (EAF) slag, which present high contents in chromium (Cr), vanadium (V) and molybdenum (Mo), often fall into that category. ... It was then roughly crushed with a jaw crusher, to a size smaller than 4 mm, with the aim to get a representative set of grains the size of which is convenient for micro-analyses (EMPA …Web
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Sustainability | Free Full-Text | EAF Slag Aggregate in Roller
This study investigates the effect of delay in compaction on the optimum moisture content and the mechanical propertie s (i.e., compressive strength, ultrasonic pulse velocity, splitting tensile strength, and modulus of elasticity) of roller-compacted concrete pavement (RCCP) made of electric arc furnace (EAF) slag aggregate. EAF slag with …Web
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Electric arc furnace granulated slag for sustainable …
Most of which concentrated on the replacement of natural stone and/or sand by either blast furnace [22,23] or electric arc furnace coarse [2,21,[24][25][26][27][28] [29] [30] and/or fine slag [31 ...Web
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Electric arc furnace granulated slag for sustainable concrete
The chemical composition of the waste aggregates is summarized in Table 1.Water absorption and density of natural aggregates and slag waste were evaluated according to UNI EN 1097-6 (Table 2).EAF granulated slag showed higher density than natural aggregates as a consequence of their high iron content (20 ÷ 30% vs …Web
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Metals | Free Full-Text | Design and Construction of a …
A novel direct-current electric arc furnace (DC-EAF) was designed and constructed in this study for experimentally investigating high-titanium slag smelting, with an emphasis on addressing the issues of …Web
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Choosing the right crusher
cone crusher. Cone crushers, also known as conical crushers, break rock between an eccentric rotating head and a bowl.The rotating head is covered by a wear-resistant …Web
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Comparing Properties of Concrete Containing Electric Arc Furnace 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. The main chemical characteristics of EAF slag are its high free calcium oxide (free-CaO) and Fe oxide content. It has been reported that these two compounds cause the volumetric instability of EAF …Web
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Assessment of Electric Arc Furnace (EAF) Steel Slag …
Lizárraga, J.M.; Gallego, J. Self-Healing Analysis of Half-Warm Asphalt Mixes Containing Electric Arc Furnace (EAF) Slag and Reclaimed …Web
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The Effects of Electric Arc Furnace (EAF) Slag on Engineering
In this scope, the effect of electric arc furnace (EAF) slag inclusion on the geotechnical properties of clay soils was evaluated within an experimental framework. …Web
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The Effects of Electric Arc Furnace (EAF) Slag on Engineering
Partial or complete replacement of soils by industry waste materials is becoming more prevalent due to its benefits including environmental considerations and improvements in engineering properties of soils. Geotechnical properties of EAF-slag-admixed soils are rarely studied in the literature, and beneficial outcomes are not well …Web
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Assessment of Electric Arc Furnace (EAF) Steel Slag Waste's …
Steel slag is one of the most common waste products from the steelmaking industry. Conventional methods of slag disposal can cause negative impacts on humans and the environment. In this paper, the process of steel and steel slag production, physical and chemical properties, and potential options of slag recycling were reviewed. Since steel is …Web
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Electric Arc Furnace Slag Concrete | SpringerLink
Electric arc furnace can be used as both coarse and fine aggregates replacement, after some pre-treatment operations already described in Chap. 2. Here the main relevant properties of the slag are reported. 4.2.1 Physical Properties. Electric arc furnace slag appears as a very dense black stone, characterized by an angular shape, …Web
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