Generation, utilization, and environmental impact of ladle furnace
2023.10.15 If the S in hot ladle furnace slag is removed, the treated slag can be reused at a ladle refining station; this approach reduces the consumption of mineral
Charlar en LíneaEffect of recycling ladle furnace slag as flux on steel ...
Effect of recycling ladle furnace slag as flux on steel desulphurization during secondary steel making Suguna Soumya Varanasi , M. Venu Madhava Rao , Dey Santanu , Sankar
Charlar en LíneaSulfur Removal from Spent Ladle Refining Furnace Slag at High ...
2021.2.23 From the economic and environmental viewpoints, the ladle refining process is the most efficient slag recycling method because it significantly reduces the
Charlar en Línea(PDF) Recycling of ladle slag in the EAF: A way to
2007.2.1 The metallurgical simulation with the data from Stefana indicates that it is possible to recycle at a rate of about 1600 kg/heat the
Charlar en LíneaRecycling Ladle Furnace Slag as Flux in Steelmaking: A Review
2019.9.16 The present paper reviews on the importance of ladle flux usage, various methods available to prevent disintegration of LF slags, and possibilities to recycle LF
Charlar en LíneaThe recycling and reuse of steelmaking slags — A review
2019.7.1 1. Introduction. During the steelmaking process, various slags are produced as by-products (Shen and Forssberg, 2003). The first stage of steel production is blast
Charlar en LíneaRecycling of ladle slag in the EAF: improvement of the foaming
2007.4.18 A new technique is presented to recycle ladle slag within the electric arc furnace through the injection system. The dilution of the chemical species contained
Charlar en LíneaA way to reduce environmental impact of ladle furnace slag
2013.7.18 In the last decades the European steel industry has made continuous efforts to reduce residues and byproducts and to increase recycling in order to reduce
Charlar en LíneaGeneration, utilization, and environmental impact of ladle furnace
More than 20 million tons of ladle furnace slag are produced annually. This slag is mainly treated by stockpiling; however, stacking results in dust and heavy metal pollution.
Charlar en LíneaWaste slag benefits for correction of soil acidity
2022.9.26 Ghisman et al. (2022), showed that the mixture of blast furnace slag and waste slag dumped in landfill can help remediation of the soil acidity and increasing the crop yield. Moreover, Ng et al ...
Charlar en LíneaFire Free Full-Text The Incorporation of Ladle Furnace Slag in
2023.10.27 Ladle slag, a byproduct of steel manufacturing, exhibits inherent reactivity and undergoes hydration when exposed to water. Nevertheless, these reaction byproducts often remain metastable, leading to microstructural alterations when incorporated into cementitious materials, thereby limiting the recycling potential of ladle slag. This
Charlar en LíneaThe recycling and reuse of steelmaking slags — A review
2019.7.1 The transformation of steelmaking slag into a strong structural material through high gravity carbonation (Chang et al., 2012). Now known as the carbstone method (Quaghebeur et al., 2015), it consists of three steps: pre-treatment, shaping and curing. The BOS slag is first homogenized into a powder and then mixed with the appropriate
Charlar en LíneaSimulation on the Slag Desulfurization During the LF Refining in a
2023.2.6 Abstract. A three-dimensional numerical model coupled the fluid-flow simulation and the reaction kinetics was established to study the evolution of the sulfur content in the molten steel. The VOF, k-ε, and DPM models were employed to simulate the fluid flow of three phases in the ladle furnace, including the steel, the slag, and the air.
Charlar en Línea(PDF) Development of Cold-Bonded Briquettes Using By
2022.2.18 University of Oulu. The recycling of steel plant side streams through cold-bonded briquettes has become quite common. However, Portland cement is mainly used as a binder in the briquettes ...
Charlar en LíneaA Review on Stabilization of Ladle Furnace Slag-Powdering Issue
2022.9.30 Ladle furnace (LF) slag plays an important role in modern steel making in terms of quality and productivity. The major challenge of using LF slag is its dusting problem. The polymorphic transformation of β-dicalcium silicate (monoclinic) to γ-dicalcium silicate (Orthorhombic) at about 450 °C is the leading cause of its disintegration.
Charlar en LíneaEffect of recycling ladle furnace slag as flux on steel ...
ABSTRACT. Recycling ladle furnace (LF) slag helps in sustainable steel making and reduces steel production costs. This paper focuses on recycling Si/Mn/Al-killed LF slag as a replacement for CaO–Al 2 O 3-based synthetic slag for treating high carbon Si/Mn-killed steels.Characterization of different types of LF slag was carried out to identify chemical
Charlar en LíneaRecycling of ladle slag in cement composites ... - ScienceDirect
2015.9.1 Ladle slag has two main adverse environmental effects when landfilled: its disintegration into a fine grained material causes the spread of dust and the leaching of hexavalent chromium (Cr (VI)) and the release of some other toxic metals (Bignozzi et al., 2013, Iacobescu et al., 2011). In EU about 80% of ladle slag is currently landfilled ...
Charlar en LíneaChemical Range of Stability for Self-Dusting Ladle Furnace Slags
2023.9.14 Ladle furnace slags are characterized by volumetric expansions associated with the transition of dicalcium silicate (C2S) from β to γ phase, which generates fine dust during cooling, causing handling and storage issues that further reduce their recycling opportunities. The present work focuses on the effect of slag basicity on
Charlar en LíneaRe-using Ladle Furnace Steel slags as filler in asphalt mixtures
2022.3.1 DOI: 10.1016/j.conbuildmat.2022.126420 Corpus ID: 246567668; Re-using Ladle Furnace Steel slags as filler in asphalt mixtures @article{Roberto2022ReusingLF, title={Re-using Ladle Furnace Steel slags as filler in asphalt mixtures}, author={Antonio Roberto and Luciana Mantovani and Elena Romeo and Gabriele Tebaldi and Antonio
Charlar en Línea[PDF] Industrial uses of slag (the use and re-use of iron and ...
2005.2.1 1. Abstract Traditionally, iron ore has been reduced with coke in a blast furnace and the hot metal product of the blast furnace containing carbon, manganese, silicon, sulphur and phosphorous, was subsequently refined in a steelmaking furnace. During ironmaking as well as during steelmaking, significant amounts of slag are produced.
Charlar en LíneaRecycling of ladle slag in the EAF: improvement of the foaming
2007.4.1 A new technique is presented to recycle ladle slag within the electric arc furnace through the injection system. The dilution of the chemical species contained in the slag and their combination with the species featuring the EAF slag afford a double advantage: the final slag is structured by chemical species that do not lead to the
Charlar en LíneaStudy of the Incorporation of Ladle Furnace Slag in the
2020.10.26 These tests therefore demonstrate the suitability of ladle furnace slag for cold in-place recycling with bitumen emulsion. Free full text . Materials (Basel). 2020 Nov; 13(21): 4765. Published online 2020 Oct 26. ... The ladle furnace slag was then analyzed elementally to detect its composition and to identify elements that could ...
Charlar en LíneaUtilization of Linz–Donawitz slag from steel industry for waste ...
2020.1.27 Setien J, Hernandez D, Gonzalez JJ (2009) Characterization of ladle furnace basic slag for use as a construction material. Constr Build Mater 23:1788–1794. Google Scholar Shi C (2002) Characteristics and cementitious properties of ladle slag fines from steel production. Cem Concr Res 32:459–462. Google Scholar
Charlar en LíneaA way to reduce environmental impact of ladle furnace slag
A way to reduce environmental impact of ladle furnace slag T. A. Branca*1, V. Colla1 and R. Valentini2 In the last decades the European steel industry has made continuous efforts to reduce residues
Charlar en LíneaA Review on Stabilization of Ladle Furnace Slag-Powdering Issue
recycling raw material for various applications. Applications of Ladle Furnace (LF) Slag Usage and recycling of LF slag are very limited compared to other steel slags. Various steel slags like BF slags are used by cement industries whereas primary steelmaking and AOD slags are being consumed by road construction and landll-ing purposes.
Charlar en LíneaJournal of Sustainable Metallurgy Volume 5, issue 4 - Springer
2019.9.16 Recycling Ladle Furnace Slag as Flux in Steelmaking: A Review Authors (first, second and last of 6) Suguna Soumya Varanasi; Venu Madhava Rao More; Dey Santanu; Content type: Review Article Published: 16 September 2019; Pages: 449 -
Charlar en LíneaFuture Research and Developments on Reuse and Recycling of
2023.3.29 In the steel sector, sustainable management of by-products is a key challenge to preserve natural resources and achieve the zero waste goal. In this paper, the main trends of future research and development on reuse and recycling of by-products of the steel industry are presented in the form of a roadmap, which is the outcome of a
Charlar en LíneaThe behaviour of the secondary metallurgy slag into the EAF. How
How to create a good foamy slag with the appropriate basicity using a mix of lime and recycled ladle slag as EAF slag former Marta Guzzon, Carlo Mapelli Dipartimento di Meccanica Sezione Materiali per Applicazioni Meccaniche Politecnico di Milano, Milano (Italy) Veena Sahajwalla, N. Saha-Chaudhury Sustainable Materials Processing
Charlar en LíneaLadle-Furnace-Slag Reprocessing at Evraz Nizhnii Tagil Iron and
2020.9.24 Ladle furnaces at Evraz Nizhnii Tagil Iron and Steel Works OJSC produce over 90,000 metric tons of slag per year. As this slag cools, it turns into a fine-grained powder; if the powder cannot be sold, it is temporarily stored until it can be disposed of [1]. We have considered producing easily used flux sinter from the slag generated during
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