Reduced Carbon Footprint: Replacing cement with slag lowers CO2 emissions during production, contributing to greener construction practices. Applications of Slag Concrete. Slag concrete is widely used in projects …
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Steel slag is a by-product of the steel production process. It can be reused to make environmentally friendly materials for air pollution control. This may result in significant economic and social benefits. ... The carbonation of slag was found to have a significant promoting effect on the release of vanadium from slag to water. In contrast ...
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At the end of the process, BFS can either be rapidly cooled with large volumes of water under high pressure to form water-quenched slag or through slow cooling in air to form air-cooled slag. Different cooling conditions i.e. water quenched or air cooled will form different physicochemical characteristics of the BFS (Tripathy et al., 2020).
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Steel slag is a by-product of the steel production process, with its chemical composition and physical properties closely related to the steelmaking methods and raw materials used. ... along with secondary minerals formed from the reaction between steel slag and water, being more sensitive to temperature fluctuations than crushed stone. 61,69 ...
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Carbide slag, a solid waste produced during the acetylene production process using the calcium carbide method, has recently gained significant attention regarding its disposal strategies (Sun et al., 2024).The main component of carbide slag is Ca(OH) 2, a common industrial waste that can be directly used as a calcium-based additive for co-pyrolysis with …
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Phosphogypsum is a solid waste generated in the wet process production of phosphoric acid, ... After cement is mixed with water, slag rapidly hydrates to form dihydrate gypsum, while quicklime dissolves in water, provide an alkaline environment conducive to the dissolution of slag. Organic silicon hydrophobic agents in the system adsorb onto ...
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While each cement plant may differ in layout, equipment, and appearance, the general process of manufacturing portland cement is the same: crushed limestone and sand are mixed with ground clay, shale, iron ore, fly ash and alternative raw materials.
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manufacturing process, which is the primary component of cement and the most significant source of noncombustion carbon dioxide emissions from industrial production, accounting for approximately ...
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Ferrochrome slag is a common industrial solid waste produced during the smelting of chromite in submerged arc furnaces [8].In the current production process, for every 1 ton of ferrochrome alloy manufactured, approximately 2.5 tons to 2.6 tons of chromite are consumed, resulting in the production of 1 ton to 1.2 tons of ferrochrome slag [9], [10]. ...
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Titanium dioxide slag is critical in various industrial applications, primarily due to its high titanium content. As a key material in the production of titanium metal and its alloys, understanding the titanium slag production process is vital for aerospace and pigment manufacturing industries. Today's article outlines the comprehensive journey of titanium …
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Water slag is formed by rapidly cooling molten blast furnace slag in water. There are mainly two ways: slag pool water quenching and furnace front water quenching. Water slag is used as a building material for the production of …
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Water slag is the process of putting the hot-melt blast furnace slag into water for rapid cooling, which mainly includes slag pool water quenching or furnace front water quenching. Water slag is used as building materials for the …
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In the simplest versions the molten slag stream is poured into a powerful jet of water to give granulated slag but there are other variants such as pelletising, where the slag is …
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Granulated slag and/or classified slag products are produced depending on the production process. The slag products are mainly marketed in road and civil construction purposes but also in producing refractories. ... where high-pressure water breaks slag into Figure 2: Typical reduction reactions in the ferrochrome furnace 2 2 3 3 0,0166 % 0,0098 %
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The liquid slag is cooled and solidified by rapid water quenching to form a glassy state material with minimum probability of crystallisation. This rapid water quenching of slag …
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Steel slag is a by-product generated during the steelmaking process, with a production rate of approximately 10–15% of the crude steel quantity [].Large amounts of steel slag have been produced annually in many …
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As the titanium industry rapidly develops, low-grade ilmenite resources are drawing global attention. The direct use of low-grade ilmenite can result in low production efficiency and heavy pollution. In addition, the production of high-titanium slag via electric furnace melting consumes significant energy and possesses low production efficiency. Therefore, a …
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During the steel production process, various treatment procedures are implemented within each system to minimize the presence of detrimental elements such as phosphorus (P) and sulfur (S) in the metal, thereby ensuring the high quality of steel products [15], [16], [17]. Nevertheless, it is noteworthy that P in steel slag constitutes a ...
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The higher content of amorphous phase in the case of GBFS is a result of its fast cooling during the granulation process of the molten slag, performed using a sprinkling of water over the molten ...
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The second most significant raw material for the tio2 manufacturing process is titanium slag, containing 75-90% TiO2 and 5-7% FeO. Read also our article on titanium slag production process. ... (is based on the interaction of titanium tetrachloride vapors with water vapors). The process is typically carried out at temperatures of 900-1000°C;
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Mineral carbonation is one of the known methods for carbon capture, utilization, and storage (CCUS). Slag from the steel industry is studied as a common source of CaCO3 via mineral carbonation owing to its high Ca content. Despite numerous preliminary studies, the optimal factors governing the mineral carbonation of steelmaking slag, such as extraction and …
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It can be estimated that global lead slag production in 2023 will reach 87.614 million tons, resulting in a significant accumulation of smelting slag. ... and the roasting temperature in the direct reduction process of the water-quenched lead slag is between 1050°C and 1250°C, the zinc in the water-quenched lead slag has been reduced to ...
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Today we are going to share how to process and reuse water slag. Water slag refers to iron-making blast furnace slag. In the molten state at high temperature, it becomes a granulated after rapid cooling with water, milky white, light, …
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The present research provides an understanding of the two different types of slags of water quenched granulated slag and air-cooled slag that are generated from iron making …
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In our study, the water leaching residue was mixed with industrial Ni-slag and subjected to a laboratory-scale Ni-slag cleaning process conducted at 1350 °C, using biochar as a reductant. In the smelting process, the valuable metals Co, Ni, and Cu heavily deported to the matte and metal alloy phases formed during reduction.
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The invention relates to a steel slag sand production process, which comprises the following steps: s1, crushing and screening steel slag: crushing and sieving the steel slag raw slag, sieving the steel slag raw slag; s2, removing iron; s3, spraying, and adding water accounting for 8-12% of the mass of the raw materials; s4, digesting at high temperature and high pressure, wherein …
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Typical morphology of steel slag [].(a) BOF steel slag.(b) EAF steel slag.(c) LF steel slag.BOF steel slag is the solid waste produced in the converter steelmaking process, and its discharge is approximately 100–150 kg per ton of BOF steel [20,21,22,23].BOF steel slag commonly has a grayish-white appearance and a vesicular nature, with many non-interconnected pores [].
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1 INTRODUCTION. Blast furnace slag (BFS) and steel slag (SS), as industrial solid wastes produced in the process of steel-making, account for 80%–90% of the total smelting slag. [] BFS accounts for about 30% of pig iron output, [] while SS accounts for 10%–15% of the crude steel output. [] SS comprises various slags, including basic oxygen furnace slag (BOFS) (or …
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The slag was provided by Anadolu Antimon Factory, located in Adana, Türkiye. The slag is the by-products of Sb 2 O 3 production process from a Sb-bearing ore via the pyrometallurgical process. Approximately 3 tons of slag were collected from various pre-identified locations within the stockpile with the aid of an excavator (Figure S1). These ...
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The producing process of slag and gravel concrete is similar to ordinary concrete, but water consumption is slightly higher. The added water is generally measured by the weight of slag, accounting for about 1% or 2% of …
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