cement steelmaking slag india
Effects of Steelmaking Slag and Moisture on Electrical …
Result2.1. Mix Designs, Materials, and Specimen Preparation. The mix design of the concrete specimens used in this study are shown in Table 1.Hong et al. [] evaluated the microstructure and strength characteristics of concrete containing steelmaking slag according to water to binder ratio (w/b).Among the three w/b …
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Chemical, Mineralogical, and Morphological Properties of Steel Slag
ResultSteel 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 …
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Sustainable Approaches for LD Slag Waste Management in …
ResultIn India, cement manufacturers are unwilling to take advantage of the LD slag as a low cost raw material for cement manufacture, whereas its use in cement making is commercialized in China. ... M. S. Yao, J. P. Zhang, and G. Yang, "Indirect CO 2 mineral sequestration by steelmaking slag with NH 4 Cl as …
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Comprehensive utilization of steel slag: A review
Result1. Introduction. Steel slag is the main solid waste generated in the steel-making process, accounting for 15 to 20% of crude steel output [1].China's crude steel output in 2021 was 1.035 billion tons [2], more than half of the global crude steel output (1.9505 billion tons) [3], and the steel slag output exceeded 120 …
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Insights into the Valorization of Electric Arc Furnace Slags as
ResultThe transition to hydrogen-based reduction processes within the iron and steelmaking industry will generate new types of slag compositions that require valorization routes. Using slags as supplementary cementitious materials (SCMs) addresses the carbon dioxide emissions of the cement industry since the SCM …
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Predicting the compressive strength of steelmaking slag concrete …
ResultSteelmaking slag has been extensively studied as aggregate for cement-based composites. Because of the distinct properties of this residue, traditional mix design methods are not suitable to determine its target compressive strength, which hinders research studies and compromises its use on a large …
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Strength and Durability of Concrete Made with Electric Steelmaking Slag
ResultTitle: Strength and Durability of Concrete Made with Electric Steelmaking Slag Author(s): Juan A. Polanco, Juan M. Manso, Jesus Setien, and Javier J. Gonzalez Publication: Materials Journal Volume: 108 Issue: 2 Appears on pages(s): 196-203 Keywords: durability; expansive components; periclase; slag …
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Parametric Study of Steel Slag Powder as Cementitious …
ResultSteel slag (basic oxygen furnace slag) is a by-product left over from the conversion of iron to steel in steel industries. Currently in India, steel slag is …
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Blended Cement Mixed with Basic Oxygen Steelmaking Slag …
ResultPortland cement tends to exhibit negative environmental impacts; thus, it is required to find measures that will improve its green credentials. In this study, we report a blended Portland slag cement as an alternative environmentally-friendly building material in order to reduce the total carbon footprint resulted from the …
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India has built the first cement concrete steel slag …
Result09.03.2023 - 12:00. India's first cement concrete steel slag road is currently under construction on National Highway 66, about 50 km outside Mumbai. Located near the JSW Cement factory in Dolvi, …
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Blended Cement Mixed with Basic Oxygen Steelmaking Slag …
ResultThe ordinary Portland cement type I enhanced by basic oxygen steelmaking slag (BOF) is produced and casted into cubic and beam-like samples for the compressive and three-point bending tests, and ...
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Steel Slag Utilization — Overview in Indian …
ResultWhile the usage of blast furnace slag is well established in the area of cement making, recycling of steelmaking slag is still a …
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Steel slag in China: Treatment, recycling, and management
ResultSteel slag is calciumsilicatic, with a CaO range of 38–48%, and it has a SiO 2 range of 11–20%. The Fe in steel slag is in the form of steel, FeO, and iron-bearing minerals. These components can be separated from the steel slag by magnetic separation for the sinter and blast furnace or may be used in steelmaking.
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Measures to Decrease and Utilize Steelmaking Slag
ResultSteelmaking slag is artificially produced to remove, among others, the phosphorus from molten steel; approximately 120 kg of slag is formed per ton of steel. At present, steelmaking slag is mostly used for road construction and civil engineering materials. However, the slag cannot be sold at a high price and, in …
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Synthetic Slag for Secondary Steelmaking – IspatGuru
ResultThe synthetic slag is to be designed for each application. The CaO and Al2O3 contents in calcium aluminates is varied in large ranges mainly to suit local conditions of secondary steelmaking in the steel melting shop of the plant. Synthetic slag has CaO content usually in the ranges from 25 % to over 55 %, Al2O3 content in the …
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Steel Slag
ResultThis potentially expansive nature (volume changes of up to 10 percent or more attributable to the hydration of calcium and magnesium oxides) could cause difficulties with products containing steel slag, and is one reason why steel slag aggregates are not suitable for use in Portland cement concrete or as compacted …
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Metals | Free Full-Text | Challenges and Outlines of …
ResultThe waste management systems practiced by steel industries involve processing the wastes for a recycling in-plant process or disposing by appropriate …
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The steel production transformation process in Europe: New slag …
ResultAfter grinding the slags to a typical cement fineness (d' RRSB = 15-16 µm) 50 wt.-% of ground slag and ground Quartz sand (= inert comparison) were mixed with 50 wt.-% of a Portland cement CEM I 42.5 R which fulfilled the requirements for a test cement according to EN 15167-1. Figure 13 shows the strength results for mortars …
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CO2 Mineralization and Utilization using Steel Slag for …
ResultBoth steelmaking via electric arc furnace and manufacturing of portland cement are energy-intensive and resource-exploiting processes 4, with great amounts of CO 2 and alkaline solid wastes, such ...
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The recycling and reuse of steelmaking slags — A review
ResultDuring the blast furnace process limestone (CaCO 3) flux is added, to collect the waste products produced: silica (SiO 2), phosphorus pentoxide (P 2 O 5), calcium sulfide (CaS), magnesia (MgO) and alumina (Al 2 O 3).This forms blast furnace (BF) slag, which floats on top of the surface of the hot metal (Peters, …
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Utilization of Some of Major Steel Plant Wastes to Produce
ResultIndian steel plant generates around 1–1.5 ton of solid waste per ton of crude steel production where ironmaking and steelmaking slag shares the major …
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Parametric Study of Steel Slag Powder as Cementitious …
ResultThis paper explores the use of partially replacing cement with locally available steel slag for making of cement mortar. The effects of steel slag powder on the normal consistency water requirement, setting times, compressive strength were studied. The results showed that the preferred content of steel slag powder as …
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Blended Cement Mixed with Basic Oxygen Steelmaking Slag …
ResultPortland cement tends to exhibit negative environmental impacts; thus, it is required to find measures that will improve its green credentials. In this study, we report a blended Portland slag cement as an alternative environmentally-friendly building material in order to reduce the total carbon foo …
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Development of newer composite cement through mechano-chemical
ResultFig. 1 illustrates the generation process of LD slag. Steelmaking process by Linz–Donawitz (LD) converter or basic oxygen furnace (BOF) involves blowing of 99% pure oxygen at supersonic speed for 25 min at a temperature of 1600 °C – 1700 °C. ... India. Ordinary Portland cement (OPC) of 43 grade confirming to …
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Recycling of ironmaking and steelmaking slags in Japan and …
ResultThe mass production of steel is inevitably accompanied by large quantities of slags. The treatment of ironmaking and steelmaking slags is a great challenge in the sustainable development of the steel industry. Japan and China are two major steel producing countries that have placed a large emphasis on …
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Steel Slag Utilization — Overview in Indian …
ResultPhysical and chemical characterization of steel slag is a deciding factor of steel slag utilization as recycled raw material …
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Predicting the compressive strength of steelmaking slag concrete …
ResultSteelmaking slag has been extensively studied as aggregate for cement-based composites. Because of the distinct properties of this residue, traditional mix design methods are not suitable to determine its target compressive strength, which hinders research studies and compromises its use on a large scale.
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Characterization and Sustainable Utilization of Steel Slag (SS) …
ResultWith India's current production capacity, around 12 MT of Steel Slag (SS) is expected as a solid waste per year . The SS is mostly utilized during the …
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Evaluate and Predict the Resist Electric Current and
ResultConcrete is a highly adaptable composite material that is widely used in construction. Steelmaking produces byproducts such as ferrous steel slag and Ground Granulated Blast Furnaces (GGBS). When molten steel is separated from impurities in steelmaking furnaces, it forms. Steel slag recovery is …
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Utilization of steelmaking slag for carbon capture and
ResultThe results demonstrated the sequestration potential of Indian steelmaking slag with flue gas. Carbonation of steelmaking slag with flue gas poses to be a promising option for the development of carbon capture and storage technology in the country. ... So far, wastes like coal fly ash, cement kiln dust, …
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