2024512· Steelmaking waste, primarily consisting of slag, dust, and sludges from iron and steel production processes, poses significant …
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202475· Waste management is a crucial and one of the major concerns of the metallurgical industries, and one such waste material is copper slag. Copper slag is a by-product of copper manufacturing that is obtained through a process called pyrometallurgy. For each ton of copper metal produced worldwide, about 2.2–3.0 tons of slag is produced, estimated to be …
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Slag is generated as the main by-product in nearly all metallurgical processes. Today, the important thing is to find smart uses for products consisting of slag …
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202441· By integrating carbon mineralization technology into the iron and steel industry, which emits CO 2, transportation costs can be effectively reduced. Furthermore, the reutilization of slag generated during the steel and iron manufacturing processes can significantly alleviate the strain on landfills [21].
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202441· By integrating carbon mineralization technology into the iron and steel industry, which emits CO 2, transportation costs can be effectively reduced. Furthermore, the reutilization of slag generated during the steel and iron manufacturing processes can significantly alleviate the strain on landfills [21].
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2025611· Slagging is a critical process in metallurgical engineering, playing a vital role in the extraction and refining of metals. To master slagging, it is essential to understand the fundamentals, including the definition and types of slag, slag formation mechanisms, and factors influencing slag properties. Definition and Types of Slag
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515· 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 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 million tons. In contrast, the comprehensive utilization rate of …
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515· 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 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 million tons. In contrast, the comprehensive utilization rate of …
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201735· The physico-chemical properties of four different types of iron and steel slags, including blast furnace slag, basic oxygen furnace slag, …
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In China, steel slag is produced with a output higher than 100 million ton per year. Whereas, the resource utilization rate of steel slag is at a low level of about 30%, which is far lower than the developer countries, especially in the road construction and internal recycling field. Facing the problem of stability and resource utilization, steel slag treatment and utilization technologies at
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51· In order to make the slag from desulphurization and slag skimming (SDSS) to be comprehensively recycled and utilized, a combined process of beneficiation and building materials preparation was proposed to recover iron from SDSS, meanwhile to apply the remaining slag tailings as cement admixture. From this process, three iron-rich products were recovered in …
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1212· Surface tension of the molten metallurgical slags is also an important parameter affecting various interfacial phenomenon during ironmaking and steelmaking process such as slag-metal, metal-refractory, and slag-refractory interfaces.
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Why is slag management so important in steel manu-facturing? It is well-known that slag has many important func-tions. Besides being a barrier for atmospheric gases and reducing thermal losses slag functions as sink for oxides, inclusions and impurities and protects the liquid steel from atmospheric air reoxidation.
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2024214· Depending on the raw materials or production process, steel slag can be categorized into basic oxygen furnace slag, electric arc furnace slag, and ladle furnace slag (Hussain and Hussaini, ). Table S1 presents the constituents of steel slag, which primarily consist of calcium, silicon, aluminum, and iron oxides.
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Abstract Along with iron and steel production, large amount of slag is generated. Proper management on the iron- and steelmaking slag is highly demanded due to the high cost of direct disposal of the slag to landfill, which is the most adopted management approach.
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In China, steel slag is produced with a output higher than 100 million ton per year. Whereas, the resource utilization rate of steel slag is at a low level of about 30%, which is far lower than the developer countries, especially in the road construction and internal recycling field. Facing the problem of stability and resource utilization, steel slag treatment and utilization technologies at
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201918· The iron and steel slags, which are by-products of iron and steel making process, have been used in diverse applications ranging from construction to agriculture. Iron slag has been found to be a suitable additive or raw material for cement production owing to the properties similar to clinker (Pan et al. 2016).
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202475· Waste management is a crucial and one of the major concerns of the metallurgical industries, and one such waste material is copper slag. Copper slag is a by-product of copper manufacturing that is obtained through a process called pyrometallurgy. For each ton of copper metal produced worldwide, about 2.2–3.0 tons of slag is produced, estimated to be …
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2014929· Solid wastes generated during the blast furnace (BF) iron making process are dusts, burden screenings at the stock house, cast house …
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201735· Nowadays, iron and steel industries are moving toward environmental sustainability through careful control of greenhouse gas …
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2025515· Iron and steel slag can be broadly classified into blast furnace slag, generated when iron ore is melted and reduced in a blast furnace, and …
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26· ygen content during LF process, it is inevitable to maintain equilibrium between steel and slag. This paper reviews the relations between steel and slag oxygen activities during the ladle furnace process and the correlations with the process para eters such as desulphurization efficiency, alloy yields, steel cleanline
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202557· Iron recovery from nickel slag, a significant byproduct generated during nickel pyrometallurgical process, represents a pivotal aspect of advancing sustainable utilization of metallurgical solid waste. This study explores the potential of utilizing carbide slag as a fluxing modifier to enhance iron extraction from nickel slag through the melting oxidation process. …
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201561· Slag is a waste product from the pyrometallurgical processing of various ores. Based on over 150 published studies, this paper provides an overview of mineralogical and geochemical characteristics of different types of slag and their environmental consequences, particularly from the release of potentially toxic elements to water. This chapter reviews the …
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16 Slag - Iron and Steel Slag is a by-product generated during manufacturing of pig iron and steel. It is produced by action of various fluxes upon gangue materials within the iron ore during the process of pig iron making in blast furnace and steel manufacturing in steel melting shop. Primarily, slag consists of calcium, magnesium, manganese and aluminium silicates and …
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