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Recycling air-cooled blast furnace slag in fiber reinforced
2022.7.1 Blast furnace slag (BFS) is a major non-metallic industrial by-product from blast furnace during the melting of iron ore which is associated with an energy-intensive
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Experimental study on full-volume slag alkali-activated mortars: Air ...
2021.2.5 Download : Download full-size image Keywords Air-cooled blast furnace slag Fine Aggregate Alkali-activated mortar Solid waste Mechanical properties 1.
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7 Million tons of slag produced in the last decades
Air cooled blast furnace slag (ACBF) is a by-product coming from the blast furnace process. While the blast furnaces have been stopped for a long time in Luxembourg and Florange (France), the nearly 7 million tons of slag
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Normal- and high-strength concretes incorporating air-cooled blast ...
2016.11.15 Air-cooled blast furnace slag (ACBFS) is produced by the solidification of the molten slag that forms at the top of the molten iron in a blast furnace under ambient
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(PDF) USE OF AIR COOLED BLAST FURNACE SLAG AS A
2022.2.2 This study evaluated the effect of the use of slag, metakaolin and air-cooled blast furnace slag aggregate on sulfate attack resistance by preparing six mixes.
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Effect of air-cooled blast furnace slag aggregate on
2022.6.1 This research is mainly focusing on making UHPFRC lightweight, cost-effective, and environment friendly with the application of waste material. Air-cooled blast
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Air-Cooled Blast Furnace Slag. I: Characterization and Leaching Context ...
2018.8.13 This paper is the first in a series presenting engineering data sets that successfully supported the permit approval process in a US midwestern state bordering
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Geopolymer Based on Mechanically Activated Air
2020.3.4 The formed liquid slag is removed from the blast furnace and can be cooled in different ways (e.g., by air-cooling, air quenching, water spraying, water quenching, etc.) . The applied quenching method
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Air-Cooled Blast Furnace Slag. I: Characterization and
2018.10.1 As the industrial waste from blast furnace ironmaking, air-cooled blast furnace slag (ACBFS) puts a lot of pressure on the environment. It is becoming more and
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Cupola Furnace Slag: Its Origin, Properties and Utilization
2019.3.1 A cupola furnace is the most frequently used furnace aggregate for cast iron production. A by-product of the production of cast iron in cupola furnaces is cupola slag. Its amount is 40–80 kg per 1 tonne of the produced cast iron, and that is one of the reasons why this material is not as favoured as, for example, the blast-furnace slag. The purpose
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Air-Cooled Blast Furnace Slag. I: Characterization and Leaching Context ...
2018.8.13 This paper is the first in a series presenting engineering data sets that successfully supported the permit approval process in a US midwestern state bordering the Great Lakes to use air-cooled blast furnace (ACBF) slag for phosphate removal in passive stormwater runoff systems.
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Cooled Slag - an overview ScienceDirect Topics
Cooled Slag. Air-cooled slag, which is allowed to solidify slowly in ladles or pits, is by far the most abundant and is a grey, compact, rock-like material which is almost wholly crystalline. From: Lea's Chemistry of Cement and Concrete (Fifth Edition), 2019. Related terms: Chromium; Geopolymer; Binders; Blast Furnace Slag; Compressive Strength ...
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UG-Mat Blast Furnace Slag Recycled Materials Resource
Consequently, the porosity and water absorption are much lower than those of ACBFS or expanded blast furnace slag. Pellet sizes range from 13 mm (1/2 in) to 0.1 mm (No. 140 sieve size), with the bulk of the product in the minus 9.5 mm (3/8 in) to plus 1.0 mm (No. 18 sieve size) range. Pelletized blast furnace slag has a unit weight of about 840 ...
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Use of waste copper slag, a sustainable material SpringerLink
2014.5.3 Ferrous slag products iron blast furnace slag (BFS) This is the by-product from the reduction of iron ores to produce molten iron and molten slag. 1. When allowed to cool slowly to a crystalline rock form, it becomes a light gray vesicular rock known as air-cooled blast furnace slag.
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Materials Free Full-Text The Influence of Blast Furnace Slag
2023.4.24 The results presented in this paper on the appropriateness of using of blast furnace slag (BFS) in the composition of roads make an original contribution to the development of sustainable materials with the aim to reduce the carbon footprint and the consumption of natural resources. The novelty of this work consists of determining the
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Aggregates SpringerLink
2021.3.3 Secondary aggregates are commonly defined as: “(a) aggregates obtained as a by-product of other quarrying and mining operations (e.g. natural stone waste), or (b) aggregates obtained as a by-product of other industrial processes (e.g. blast furnace/steel slag or coal-fired power station ash)” (BGS 2013). In European specifications, the ...
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An overview of utilization of slag and sludge from steel industries
2007.3.1 Integrated steel plants utilize mostly five materials such as raw materials, air, water, fuel and power to produce steel. During the production of steel, 2–4 t of wastes are being generated per tonne of steel produced.The various solid wastes in the form of slags and sludges that are emerged from steel plants are blast furnace slag, blast
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Eng Free Full-Text Utilization of Water-Cooled and Air-Cooled Slag ...
2020.9.21 Air-cooled slag (ACS), or blast furnace slag (BFS), is produced when raw steel materials (iron pellets or iron ore, coke and a flux) are melted together in a blast furnace. After the fusion process is finished, the lime in the flux combines chemically with the silicates and aluminates of the ore, and coke ash produces a non-metallic product ...
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Experimental study on full-volume slag alkali-activated mortars: Air ...
2021.2.5 For air-cooled blast furnace slag (ACBFS), it forms when iron ore is melted and reduced into molten pig iron in blast furnaces, which is classified as hazardous material in some countries ([Ríos et al, 2019], [Tripathy et al, 2020], [Grubb and Berggren, 2018], Zulhan, 2014). The crystallinity of slag mainly depends on the cooling method of melt.
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Centrifugal-Granulation-Assisted thermal energy recovery
2022.11.1 The air-cooled blast furnace slag (called as ABS) is rock-like, serving as perfect material for construction aggregates. The granulated blast furnace slag (GBS) obtained by water method is sand-like, deemed as an ideal substitute for Portland cement clinker. The GBS is more profitable than ABS and thus the water quenching process is
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Manufacture of air-cooled slag-based alkali-activated cements
2017.4.15 As the industrial waste from blast furnace ironmaking, air-cooled blast furnace slag (ACBFS) puts a lot of pressure on the environment. It is becoming more and more urgent to deal with the increasing ACBFS. In this study, the concept of “full-volume slag alkali-activated mortars (FSAM)” is proposed using ground granulated water-cooled
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Iron and Steel Slag - USGS Publications Warehouse
2023.1.13 blast furnace slag (GGBFS). Air-cooled iron slag and steel slag are used primarily as aggregates in concrete (air-cooled iron slag only); asphaltic paving, fill, and road bases; both slag types also can be used as a feed for cement kilns. Almost all GGBFS is used as a partial substitute for portland cement in concrete mixes or in blended cements.
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(PDF) Various Uses of Blast Furnace Slag and Steel Slag
2023.7.16 Slag is defined as a waste material produced from iron ore smelting process in blast furnace. The slag was derived from Research Center for Mineral Technology located in Tanjung Bintang Lampung ...
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Applied Sciences Free Full-Text Chloride Ion Diffusion and
2021.9.4 In the construction industry, there is a growing shortage of high-quality natural aggregates [1,2,3,4,5].To preserve the environment, substitute alternative concrete aggregates must be identified to promote more environmentally sound practices [6,7,8].Recently, numerous studies have explored the use of blast furnace slag as a
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The potential utilization of slag generated from iron- and
2019.10.29 Slag is the by-product of iron- and steelmaking processes. Normally, around half to one tonne of slag would be generated for yielding one tonne of rolled iron or steel (Lobato et al. 2015).It was reported that the world steel production was 1.9 billion tonnes in 2016, which suggested that at least around 1 billion tonnes of slag is produced
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The mineralogy of air granulated converter slag
2021.1.25 used to produce amorphous blast furnace slag that has excel-lent properties as a pozzolanic material in Portland cement. 28 Air granulation specifically is also a promising way to re-cover heat from converter slag that has a temperature between 1,250 and 1,700°C when it is removed from the converter. 29 It could also help to stabilize C
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Development of Geopolymer Mortars Using Air-Cooled Blast Furnace Slag ...
2023.3.24 The aim of this study is to compare the mechanical and physical properties of different geopolymer mortars made with granulated blast furnace slag as a geopolymer source material, NaOH (8 M) as the activating solution, and three different types of fine aggregates (air-cooled blast furnace slag, biomass bottom ashes, and silica sand). The
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(PDF) USE OF AIR COOLED BLAST FURNACE SLAG AS A
2022.2.2 Air-cooled blast furnace slag was used as an aggregate in three of these mixes, each of which contained 20% metakaolin, 10% slag, 10% metakaolin and 100% cement. Three other mixes contained ...
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